Engineering Patents for Sale or License

Non-contact optical monitor

This invention relates to the measurement of the characteristics of a liquid sample by an optical non-contact method. A device for monitoring one or more characteristics of a liquid sample, comprising at least one source of collimated radiation, and at least one detector capable of detecting radiation returning from the sample, wherein the optical axis of the radiation source or sources and the optical axis of the detector or detectors are non-parallel, characterized in that the device furthe
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Integration of ZnO Nanowires with Nanocrystalline Diamond Fibers

Provided herein is a method for the synthesis and the integration of ZnO nanowires and nanocrystalline diamond as a novel hybrid material useful in next generation MEMS/NEMS devices. As diamond can provide a highly stable surface for applications in the harsh environments, realization of such hybrid structures may prove to be very fruitful. The ZnO nanowires on NCD were synthesized by thermal evaporation technique.
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Engine Block Component Brace

Valley Girdle™, Valley Girdle Pro™, United States Patent for Engine Block Component Brace : Patent # 7,258,094 One or more component braces may be installed into the upper valley of a V-styled engine block to provide resistance to deformation of the block when used in an operating motor. The component braces include first and second mounting portions separated by a body portion, where the mounting portions may be constructed as arms extending from the body portion. An intermediate mountin
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Motor-Generator

An invention in which, due to the non-standard method of generation and unique design of the motor-generator, the electric motor and the generator modes are combined into one and are connected inseparably. As a result, on applying the load, the interaction between the magnetic fields of the stator and the rotor creates a torque, which by its direction coincides with the torque generated by the external drive. In other words, when the power consumption of the generator load is increased, the
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Fast rechargeable electric System for stand-alone Power Sources

The present invention relates to an Electro-Mechanical system capable to recharge in short times: seconds or minutes, an electric storage unit, which remains electrically charged, to operate as power source for electric or electronic equipments, for long times: days, weeks or months. This Electro-mechanical system comprises: a converter unit, 1, typically mounted aboard of a vehicle, 4, able to generate the high current intensity and to provide the power conversion. A power connectors system, 3,
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Dielectric Elastomer Fiber Transducers

Artificial muscle fibers. Disclosed are electroactive polymer fibers, processes of preparing electroactive polymer fibers, and devices containing electroactive polymer fibers. Devices can be used as actuators and sensors, generators and transducers. Applications include inter alia artificial muscles, prosthetics and robotics.
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Sample System for Fluid Samples

The present invention relates to a sampling system for fluid samples having sample receiving vessel for receiving the sample, which is sealed by a septum and holder for the sample receiving vessel for receiving and holding the sample receiving vessel and also a sample probe for dipping into a fluid volume and for taking a fluid sample from the fluid volume, the sample probe being configured as a hollow volume which, at one end, has a first opening for introducing the holder and the sample receiv
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High performance electrospun nanofibers from polyaniline/polyamide

The invention relates to a method of producing a electrospun conductive polymer fibre by coating a non-conductive polymer fibre with conductive polymer. This can be done by a batch or a continuous process.
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Distinguishing an Enantiomers with the Aid of Broadband Femtosecond Circular-dichroism Mass Spectrometry

The present invention provides an apparatus and a method for distinguishing enantiomers with the aid of broadband femtosecond circular-dichroism laser-ionization mass spectrometry. In this case, an fs laser system is used, the laser pulse duration (t) of which is less than or equal to 200 fs, with respect to a bandwidth-limited pulse, and the central wavelength (?) of which is in the range between 200 nm and 1.100 nm. The spectral bandwidth of the laser pulse is chosen from bandwidths of less th
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Adaptive Deformable Mirror for Compensating Errors of a Wave Front

The invention relates to the production of an adaptive deformable mirror for compensating errors of a wave front. The adaptive mirror, in its most simple form, consists of a thin substrate layer (1) having a first surface (2) to which a reflective layer (4) is applied and a second surface (3) connected to at least one actuator (5). According to the invention, the substrate layer (1) has a thickness less than or equal to 1000 μm.
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Haptics and Virtual Reality

Licensing of Software and/or Hardware technologies covering high performance collocated virtual reality and haptics, applicable to a number of fields.
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Automated Learning of Model Classifications

A method of providing an automated classifier for 3D CAD models wherein the method provides an algorithm for learning new classifications. The method enables existing model comparison algorithms to adapt to different classifications that are relevant in many engineering applications. This ability to adapt to different classifications allows greater flexibility in data searching and data mining of engineering data.
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Arrangement for supply of compressed air to e.g. electric motor operated tool in car assembly line, has extraction band shifted at channel by penetration into openings and feeding compressed fluid to

The arrangement (1) has a compressed fluid channel (2) provided with compressed fluid extraction openings (3). A compressed fluid extraction unit (4) is moved for extracting compressed fluid. The fluid extraction unit has an extraction band e.g. elastic traction unit, shifted at the compressed fluid channel by penetration into the extraction openings. The extraction band feeds the compressed fluid to an extraction point (6) at the fluid extraction unit in a compressed fluid-tight manner. The ext
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Surface Enhanced Raman Scattering Substrates Consumables for Raman Spectroscopy

A SERS-active structure including a substrate and at least one nano-pillar created on the substrate. The at least one nano-pillar includes a core including a first material and a coating including a SERS-active material. Also disclosed are methods for forming a SERS-active structure and methods for performing SERS with SERS-active structures.
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Method, System and Device for Controlling Token of Assistant Steam in Multipoint Double-streams Conference

A method, system and device for controlling the token of assistant steam in a multipoint double-streams conference in communication technical field are provided. In the multipoint double-streams conference, when the token is held by the first conference terminal and the assistant stream is sent, the second conference terminal requests depriving the token, a multipoint control unit MCU receives the token depriving request message; the MCU judges whether to execute the token depriving operation ac
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Light-emitting device and method of manufacturing the same

The present invention relates to a light emitting device comprising a substrate (10), an N-type semiconductor layer (20) formed on the substrate (10), and a P-type semiconductor layer (40) formed on the N-type semiconductor layer (20), wherein a side surface including the N-type or P-type semiconductor layer (20,40) has a slope of 20 to 80°from a horizontal plane, and wherein the N-type semiconductor layer of one light emitting cell and the P-type semiconductor layer of another adjacent light e
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Device and Method for Aligning the Position of Plate-shaped Parts

A device is proposed for the positional orientation of plate-shaped parts (12), comprising continuous conveying equipment (13) for conveying plate-shaped parts (12), an optical measuring device (15) assigned to the continuous conveying equipment (13) for determining the actual position of at least one specific plate-shaped part (12) and for comparing this actual position to a stored set position and for determining the deviation of the actual position from the set position, and a control unit (2
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Transport device for attachment to a wheelchair or similar

A transport device, an in particular sliding assistance or a stair riser to the cultivation at a wheelchair or such a thing, comprehensively a grasp device (2), a drive device (3) and a liaison vehicle (5), whereby the grasp device (2) and the drive device (3) is connectable with one another, the grasp device (2) a control element exhibits, with which the drive device (3) over electrical means is movable, and whereby the grasp device (2) over the liaison vehicle (5) with the drive device (3) is
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Apparatus and Method for Establishing Device Identifiers for Serially Interconnected Devices

A method or apparatus operates a multitude of devices in a serial interconnection configuration to establish a device identifier (ID) for each device. An input signal is transmitted through a serial interconnection to a first device using inputs that are also used by the first device to input other information thereto (e.g., data, commands, control signals). A generating circuit generates a device ID in response to the input signal. A transfer circuit then transfers an output signal associated w
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Tactile Sensor

PROBLEM TO BE SOLVED: To provide a tactile sensor capable of preventing damage on a sensor section with more certainty, even if an elastic body is greatly deformed. ; SOLUTION: The tactile sensor 1 includes the elastic body 2 and a plurality of sensor units 3 embedded in the elastic body 2. Each sensor unit 3 comprises a sensor section 4 and a protective film 5 covering the sensor section 4. The protective film 5 is formed with about 1 [mu]m-thick polyparaxylene (coating film material), using CV
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Illumination device with heat dissipation structure

A solid state lighting source illumination device (1) includes a bracket (12) and at least one solid state lighting source module (11). The solid state lighting source module comprises a substrate (111) and at least one solid state lighting source (112). The substrate is set up with a circuit and the solid state lighting source is set up on the substrate and electrically connects with the circuit on the substrate. The substrate and the bracket further comprise a heat dissipation structure which
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Surface-treated Copper Foil and Copper-clad Laminate

To provide a surface treated copper foil satisfying all of the bonding strength to polyimide film, chemical resistance, and etching property, and to provide a CCL using the surface treated copper foil, a surface treated copper foil is formed being comprising an untreated copper foil on at least one surface of which Ni-Zn alloy is deposited, wherein Zn content (wt%) = Zn deposition amount/(Ni deposition amount + Zn deposition amount) x 100 is 6% or more and 15% or less, and Zn deposition amount i
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Electrolytic Copper Coating and Method of Manufacture Therefor, and Copper Electrolyte for Manufacturing Electrolytic Copper Coatings

An object of the present invention is to provide an electrolytic copper coating that exhibits a bendability and flexibility equal to or better than those of rolled copper foil after the heat history in a circuit board fabrication process, especially after a heat history equivalent to the heat history applied when bonding with a polyimide film. The present invention provides an electrolytic copper coating and a method of manufacturing the same wherein, when performing heat treatment so that the L
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Actuator and Projection Exposure System

The actuator (1) according to the invention comprises a housing (2) and a rotor (3) that can be moved in relation to the housing (2) in the effective direction of the actuator, wherein the actuator (1) comprises an advancing unit that is connected to the rotor (3) at least part of the time. The advancing unit comprises at least one deformation unit (6) and at least one deformer (5) for deforming the deformation unit (6). The at least one deformer (5) is suited to deform the deformation unit (6)
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Process and Device for Creating an Evacuated, Deep-temperature Environment for a Sample

A device for creating an evacuated, deep-temperature environment for a sample comprises a cooling chamber (10) for receiving a coolant (12), and a sample chamber (14) which can be evacuated and is provided with a sample holder (16) for fastening the sample in the sample chamber, as well as a cooling section (18) which is solidly connected to the sample holder, is designed for direct contact with the coolant and forms part of the outer boundary (20, 24, 26, 28, 30) of the sample chamber. In the e
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Carven Motor

Carver rotary motion device improves the usual features of a cylinder-piston rod-crankshaft scheme for many kinds of applications in internal combustion, hydraulic or pneumatic engines and other devices as compressors, actuators, etc... This invention main feature is producing rotary motion from a pressure fluid or vice versa, achieved with only two moving parts in a fixed cylinder. Due to it's special shape, allows more compact engines and they remain scalable to meet the power and torque requi
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Compact and Adaptive Wind Tunnel

The invention describes a three-dimensional adaptive wind tunnel capable of generating complex, unsteady flow fields in a relatively compact physical domain. Wind fields are created by multiple, independently controllable vents located around the periphery of the semi-enclosed facility. The wind tunnel is adaptive, in that the flow fields may be dynamically altered via a feedback control system. <i>Benefits</i> The invention has the following applications: 1. Automotive and aeronautical des
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The foot-operated plunger bar remover ("FOBPR"), a device for dislodging metal probes.

This invention is a tool for loosening a metal rod driven into the ground to check for leaks on a natural gas or other pipeline. The preferred design specifically removes, with relative ease, the leak-checking metal probes stuck in the ground. This FOBPR device uses the operator�s foot strength and leverage to dislodge a probe in seconds. The invention can also be used to remove other objects, such as railroad spikes or tent stakes, that are lodged in the ground or other fixed location. <i>
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Method for Mitigating Residual Weld Stresses

The presence of residual stresses in weldments can adversely and prematurely cause the breakage or failure of a work piece. The present invention presents a method of reducing the residual stress found at welded joints. Residual stress created from thermal contraction at joints is reduced by compensating for the resultant stress through thermally compressing or shrinking a section of the metal work piece prior to welding. Shrinking the joint members before welding provides the source of the c
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Global Qualitative Flow Path Modeling for Local State Determination in Simulation and Analysis (MSC-22618)

Abstract: The technology qualitatively determines the local flow attributes that are dependent on global configuration in simulation and analysis systems, for models with structures corresponding to physical components and connections in the modeled system. The invention supports modeling, simulation, and analysis of system behaviors that are affected by operational events or failures that dynamically change the topology of the system.
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A Method and System for Formal Analysis, Simulation, and Verification of Knowledge-Based Systems, Rule-Based Systems, and Expert Systems (GSC-14942)

Abstract: A method is claimed whereby the rules embodying a rule-based, knowledge-based or expert system, combined with the inference engine underlying the system (implementations of various algorithms) can be viewed as a process-based specification which may be used for analysis and verification, both formally and informally. The output of the process-based system is mathematically equivalent to the execution of rules that would be output from the rule-based, knowledge-based or expert system i
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Euctectoid Alloys and Methods for Production Thereof

New alloys that are lighter, stronger and/or less expensive to manufacture than conventional alloys may have significant commercial potential. For example, lighter alloys may be less expensive to transport and stronger alloys may have increased resistance to weather, chemicals and/or friction. Generally, new alloys may be used in any application currently utilizing a comparable known alloy, and equipment that incorporates such new alloys in component parts may have a longer service life, requi
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System and Method for Imaging Objects Through Turbid Media

Light passing through a turbid media is scattered and absorbed, thereby reducing the quality of an image formed by light emerging from the turbid media. For example, light passing through sea water is scattered, diffused and absorbed by particles within the sea water. By controlling properties of the light beam entering the turbid media, the signal strength of the light after the turbid media is increased. After the light has passed through the turbid media, it is detected by a
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Optical Readout for Magnetic Nanostructures Micromagnetic Logic Devices and Related Methods

Early computers utilized windings of copper wire to form magnetic cores that performed logic functions, i.e., processed inputs and created corresponding outputs. Although the magnetic cores were impervious to external power fluctuations (e.g., lightning strikes, electrical storms, electromagnetic pulses) and drew no power when turned off, the processing systems were large. Magnetic processors were therefore displaced by microprocessors utilizing integrated circuitry, which have fueled the mini
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Molecularly Imprinted Polymer Sensor Systems and Related Methods

Molecularly imprinted polymers (MIPs) are polymeric materials containing microscale cavities or imprints of defined shape, which are perfectly matched to a particular molecule or class of molecules. When an MIP is exposed to an environment containing a mixture of compounds, the MIP is able to selectively bind molecules that match the imprint shape with a lock-and-key-type interaction. Most sensors for detecting and quantifying molecules bound to an MIP utilize optical techniques, such
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Novel Method of Mass Selection

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New High-strength Spinodal Alloys

Dartmouth researchers have developed a new series of metallic iron-nickel-manganese-aluminum (Fe-Ni-Mn-Al) alloys. These alloys exploit a combination of spinodal-, order-, and precipitation-hardening mechanisms to achieve very high strength and hardness, low density, good oxidation resistance, and reasonable ductility. The microstructure of the alloys consists, wholly or in part, of a regular array of ultrafine (5-50 nm wide) coherent regions that differ in chemical composition and deg
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Compact Optical Detector Array

Researchers at Dartmouth developed a novel method to configure an optical detector array that is robust, compact, low crosstalk, and has several applications. 1) Multimode fiber data-links The array can be matched to the arrays of multimode fibers that are commonly used in local area data networks. The proposed detector array is unusually robust and low cost, with negligible cross-talk compared to those presently on the market. It is expected to work out to bandwidths of about
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Methods and Apparatus for Modifying Ice Adhesion Strength

Ice adhesion causes many problems. For example, ice on aircraft wings endangers the plane and its passengers. Ice on ship hulls creates navigational difficulties, the expenditure of additional power to navigate through water and ice, and certain unsafe conditions. Icing of power lines often results in their break and loss of power. The need to scrape ice that forms on automobile windshields is regarded by most adults as a bothersome and recurring chore; and any residual ice risks driver visi
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Methods and Apparatus for Modifying Ice Adhesion Strength for Skis

Ice adhesion causes many problems. For example, ice on aircraft wings endangers the plane and its passengers. Ice on ship hulls creates navigational difficulties and the expenditure of additional power to navigate through water and ice. Icing of power lines often results in their break and loss of power. The need to scrape ice that forms on automobile windshields is regarded by most adults as a bothersome and recurring chore, and any residual ice risks driver visibility and safety. T
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Methods and Apparatus for Modifyng Ice Adhesion Strength for Shoes

Ice adhesion causes many problems. For example, ice on aircraft wings endangers the plane and its passengers. Ice on ship hulls creates navigational difficulties and the expenditure of additional power to navigate through water and ice. Icing of power lines often results in their break and loss of power. The need to scrape ice that forms on automobile windshields is regarded by most adults as a bothersome and recurring chore, and any residual ice risks driver visibility and safety. T
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System and Method for Anywhere, Anytime Personal Radio

Dartmouth researchers developed a personalized Internet-based radio technology that offers unique features such as customization, location-specific content, and support for streaming and download-based models. Users of the invented radio can at any time request news, weather forecasts, stock quotes, traffic reports or other information, and the most recent location-relevant and user-appropriate content will be played. This benefits the mobile user, whether it is a business traveler, a ca
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Silicon Chip Color Spectrometers: Integrated Microspectrometers for Optical Spectroscopy and General Wavelength Division Management Applications

Description These optical systems span diverse optical microspectrometer and wavelength-division applications. The spectrometers separate optical energy according to wavelength in a manner enabling of general spectroscopy, general wavelength division demultiplexing applications and optical system integration. These wavelength-separating devices represent a new class of integrated optical spectroscopy products. In general, the devices take an input optical beam and spatially separate the beam int
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A Novel Acoustic Wave Micromixer

The acoustic wave “micromixer” is based on micro-electromechanical systems (MEMS) technology that uses acoustic energy to mix and/or transport accurately controlled amounts of fluid in a reasonable amount of time. The micromixer uses a novel Fresnel Annular Sector Actuator which produces a strong lateral acoustic potential at its focal plane. This causes high lateral fluid motion, which is ideal for mixing very small amounts of liquids over relatively large areas. Various designs for micromi
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Process for Alkane-Group Dehydrogenation with Organometallic Catalysts

Description Researchers at the University of California and the University of Hawaii have synthesized a new family of novel, organometallic dehydrogenation catalysts exhibiting exceptional thermal stability and high turnover rates. These catalysts have been successfully demonstrated in homogeneous reaction systems and also have potential for use in heterogeneous catalysis. Patent Information US Patent #5780701 issued July 14, 1998 Applications These catalysts have the potential to improve a
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Self-Limiting Isotropic Wet Etching Technique with a Tape as an Etch Mask for the Fabrication of Micromachined Devices and Semiconductor Devices

Description A novel process for fabricating micromachined devices and semiconductor devices has been developed at the College of Engineering of the University of Hawaii. The process uses isotropic etching to form structures on substrates such as silicon, glass or metal. During the formation of a spherical cavity in a silicon wafer, a self-limiting etching behavior of an isotropic silicon etchant is observed when a tape was used as an etch mask. Such self-limiting behavior is due to the presence
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Stress Induced Voltage Fluctuation for Measuring Stress and Strain in Materials

Description The invention represents a novel electronic technique that detects stress/strain in a wide variety of conductive and semi-conductive materials. The technique may be used with a strain gauge or by making measurements directly in the material or component of interest. The technique is based on passing a current through the material of interest and analyzing the voltage noise spectra. A new type of electronic signal was observed while monitoring the fluctuations in sample voltage when t
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Three-dimensional Architecture for Solid State Radiation Detectors

Description A new architecture for solid-state radiation detectors has been developed that combines VLSI fabrication technology with tools and techniques from the growing field of micro-machining to create a three-dimensional array of electrodes which penetrates into the substrate bulk. As with planer-type detectors, a reverse-biased PIN diode serves as the basis for the design with a depleted intrinsic region providing a volume sensitive to ionizing radiation. The depth of the depleted region i
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Silicon-Micromachined Piezoelectric Bimorph Acoustic Transducer

Description The idea of using a bimorph structure for a micromachined piezoelectric acoustic transducer on parylene diaphragm has been invented and tested. Both the sensitivity and signal-to-noise ratio of the bimorph, parylene-diaphragm microphone have been demonstrated to be much higher than those of a conventional uni-morph piezoelectric microphone made on a silicon nitride diaphragm. Among various parylene materials, we find parylene-D to be the best choice for supporting the bimorph diaphra
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Multipath Propagation in Wireless Radio Communications Using a Phase Retrodirective Antennna

Description Multipath propagation is used to form a wireless radio communication channel. A key component in the method is the use of a retrodicrective antenna as one of the antennas. The other antenna, in this point-to-point communication system, is a wide beam receiving and transmitting antenna. Because of the conjugate phase properties of the retrodirective antenna, the returning multipath signals do ad up coherently or constructively at the receiving wide beam antenna. Applications More pre
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Hybrid Solid-State/Electrochemical Photoelectrode for Hydrogen Production

Description Fossil fuels provide about 85% of the world’s energy but scientists have been trying to find alternative energy sources for decades because of the attendant environmental problems and the increasing costs of exploration and production associated with fossil fuels. Adding to these problems, the US Department of Energy projects that the world’s total energy consumption will rise 59% between 1999 and 2020. Many believe that hydrogen is the answer to the environmental, cost, and risi
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Method of Imaging with Light Wavelength 157nm

Description In semiconductor manufacturing, major process steps are involved increasing the opportunity for defects. According to industry experts, the semiconductor industry looses an estimated $200 million each year due to photomask damage. This problem is made worse every time the design rules are shrunk. As a result, inspection and measurement have become a critical area in semiconductor manufacturing. Researchers at the University of Hawaii have developed a way of detecting defects in mater
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Expandable Braced Structure

Description Building structures are typically built by lifting relatively small components from ground level and fixing them above previously placed components. However, substantial time and cost savings are often achieved by using methods that are more systematic than is typical. Some of these methods assemble more components near ground level. The components are then lifted as relatively complete assemblies to final positions. One such method, commonly referred to as the “lift slab method”
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Bionest Reactor for the Application of Anaerobic Wastewater Treatment and Bioenergy Recovery

Description Water pollution control due to runoff from agricultural feeding operations is huge problem nationwide. In the United States, the U.S. Environmental Protection Agency (EPA) and U.S. Department of Agriculture (USDA) are working together to improve America’s waters. Researchers at the University of Hawaii have developed an unique and efficient anaerobic reactor which removes organic pollutants and produces methane gas. This development solves the problem of biomass flotation and wash-
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Double-grating Sagnac Fourier Transform Spectrometer

Description Researchers in the University of Hawaii's Free-Electron Laser Group have developed a Fourier transform spectrometer based on a modified Sagnac interferometer. The instrument uses two gratings as dispersive elements to greatly improve the spectral resolution, and in-line optics to match the beam size in the interferometer to optimize the efficiency. A CCD or photodiode array is used as the detector and the fast Fourier transform of the fringe pattern is performed by a computer. Appli
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Active Composite Panel Smart Structures with Simultaneous Precision Positioning and Vibration Control

Description Active Composite Panels (ACPs) are used in form of beams and plates to provide precision positioning, vibration suppression and control, or both at the same time, i.e. simultaneous precision positioning and vibration control. Depending on the applications and needs for ACPs, either surface-mounted or embedded ACPs are needed. While producing ACPs with surface-mounted piezoelectric sensors and actuators has been achieved, effectively embedding these devices within composite structures
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Ventilating Roofing System

Description The ventilating roofing system comprises a plurality of modular vent tile units capable of being connected together in generally overlapping patterns. The ventilating roofing system is capable of conforming to a wide variety of roof shapes and to serve as a protective barrier for sloped roofs of buildings. The vent tile units may be formed from a variety of materials including concrete, fiber-reinforced concrete, glass, plastics, and structural composites. The vent tile units are sec
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Method and Device for Biochemical Sensing

Description Medical diagnostics using chemical sensing of antibody, antigens, DNA fragments and other biochemicals are addressed using semiconductor sensors and supportive biochemical processes. This successful marriage of semiconductor sensors and biochemistry address a diversity of potential biochemical diagnostics and measurements including detection and quantification of human, animal and plant diseases. Target biochemical molecules attach specifically to one or more preselected, sensor-atta
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Tensegrity Unit - Structure and Method for Construction

Background Structures are needed in remote locations to shelter personnel and equipment, as in times of war or emergency. Structures are also needed for traveling exhibits and general usage. Permanent traditional structures are not an option when tools and manpower are at a minimum. Invention Description A tensegrity unit may be formed of compression members (bars) and tension members (cables). In a deployed state, the tensegrity unit may be coupled to other tensegrity units to form a tenseg
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High-Speed Automated Pavement Inspections

Background Currently, manual pavement rating surveys are expensive, have low output rates, are subjective, and are dangerous for drivers and surveyors. Furthermore, current automated systems have low coverage and speed, require off-line processing, and are expensive. Invention Description This technology can be employed to find and classify cracks in pavement in accordance with the Pavement Management Information System (PMIS) and the American Association of State Highway Transport Officers
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Centrifuge Permeameter for Unsaturated Soils System

Current testing methods cannot measure the unsaturated hydraulic properties of granular materials simultaneously, and require long testing periods. They are impractical and involve the use of several granular specimens as well as destructive or intrusive measurements of the relevant testing variables. The significantly time-consuming testing period may take up to one year to collect final results. Invention Description The centrifuge permeameter method identifies the relationships between so
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Vibro-Mechanical Texturing (27159)

INVENTION: The invention utilizes a standard lathe and simple control system to create micro-textured surfaces. The invention is able to rapidly implement micro-textured surfaces at very low cost. The initial equipment setup cost of the invented apparatus is about 90% less than that of a comparable laser-based texturing system. Anticipated applications of this technique are to surface texture mechanical bearings and die/forging components in order to control the friction between surfaces.
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High-speed Diode for Low-cost Organic Circuitry

Abstract (Set) The Johns Hopkins University seeks a partner to commercialize a new organic diode useful for constructing complex organic electronic circuitry. The diode utilizes polymer and inorganic oxide layers to achieve high-frequency alternating current (AC) rectification, an operational requirement for constructing complex electronic circuitry, such as organic radiofrequency identification (RFID) tags. Click here for high-quality marketing materials. Description (Set) • Circuits t
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A Method for Reducing the Viscous Drag on a Submerged Surface

Background A submerged surface (e.g., a ship hull) traveling through a liquid, as well as liquid flowing through a pipeline, experience viscous drag, requiring increased power to overcome such drag. Invention Description The solution proposes creating a pattern of small holes on a submerged surface, or in the interior surface of a pipeline, to hold small, nearly flush, bubbles in place. This approach reduces viscous drag over the entire submerged, or pipeline surface. Viscous drag reduction
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Flexible, Highly Sensitive Piezoelectric Polymer Composite

Johns Hopkins University seeks a partner to commercialize a fundamentally new approach for fabricating flexible piezoelectric materials. The invention is a breakthrough in piezoelectric materials, allowing for thermally stable flexible piezoelectric film to be manufactured for the first time. Click here to view high-quality marketing materials. Description (Set) • The polymer composite consists of two materials: 1. Poly(�enzyl �L-glutamates) (PBLG) 2. Polymethymethacrylate (PMMA)
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Efficient Hybrid Transistor for Low-Cost Organic Circuitry

Abstract (Set) The Johns Hopkins University seeks a partner to commercialize a novel low-voltage, electron-carrying hybrid transistor. The organic field effect transistor (OFET) operates in a voltage range between 0.1and 10 volts, making it useful for constructing complex organic electronic circuitry such as display backplanes, sensor arrays, flexible amplifiers, and low-level memory tags, such as RFID tags. Click here for high-quality marketing materials. Description (Set) • Organic an
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Web-based Heparin Management System

Thrombotic disorders (myocardial infarction, unstable angina, stroke, deep venous thrombosis, pulmonary embolism) are among the most common reasons for hospital admission. (1) Anticoagulation plays an important role in the management of these illnesses. Although low molecular weight heparins are playing an increasingly important role in the management of thrombotic disease, the longer half-life, increased cost and renal elimination oflow molecular weight heparins limit their application in many
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Algorithms and Protocols for Comprehensive Management and Behavior Change in Type 2 Diabetes

This invention relates to an evidence-based decision making toolkit for adults with type 2 diabetes. The toolkit allows for comprehensive risk assessment and guides individually tailored interventions. Algorithms, implemented upon a initial assessment (patient interviews, laboratory results, physical exam, and medical record review) , are designed to triage level of control as optimal, suboptimal, poor, or very poor and direct the initiation of certain Intervention Action Plans (IAPs).
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Methodology of Controlling Flow of Molten Solder or Braze in Reactive Multilayer Joining

Self-propagating formation reactions in nanostructured multilayer foils provide rapid bursts of heat at room temperature and therefore can act as local heat sources to melt solder or braze layers and join materials. This invention introduces a methodology of controlling flow of molten solder or braze in reactive joining to improve the joining performance. The method is based on control of the pressure that is applied during joining, and the effect that the volume and the duration of melting of t
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Patterned deposition of Materials as Directed by surfactant Distribution on Electrodes

Creating features on the micro and nanoscale is of interest for a wide range of technologies including data storage devices, flat screen displays, and sensors. Currently, attaining such small scales requires expensive instruments (e.g. electron-beam and x-ray) and since these processes are not parallelizable, they are ineffective for mass production. We have developed a new technique which is both cost effective and parallelizable. The process involves using a polymer stamp with micro- or nanome
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Johns Hopkins POC-IT Document Development System, Codenamed: Tickler

Johns Hopkins Point of Care Information Technology (POC-IT) has undertaken development of a series of electronic medical specialty guides to assist physicians in raising the standard of care. This has led to the development of a sophisticated Content Management System (CMS) codenamed TICKLER, comprised of three major components: 1) Infrastructure for dynamic generation of web sites (Guides) 2) Administrative infrastructure and interface for management of the system 3) Technology for dynamic depl
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Producing Arbitrary Arrays of Particles Using Dielectrophoresis

Technology This technology utilizes dielectrophroesis (DEP) to simultaneously position large number of small (<1mm) particles in arbitrary planar coordinates with single cell precision. One cell is trapped with the electrode dimensions are smaller than the particle diameter. Electrodes larger than 1 particle diameter can trap multiple particles. Patterning of the cells is independent of chemistry or topology of the surface on which the array is formed. Various techniques can be combined in conju
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IHC Software

A comprehensive software program has been developed to aid in immunohistochemical laboratory studies. At present, no such comprehensive and integrated software program with equal or similar capabilities is available in the marketplace. Some vendors offer rudimentary software as part of their proprietary staining machines and reagent systems, but their capabilities are limited. Description (Set) The IHC software application is a proprietary product written using the (M)UMPS programming languag
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Johns Hopkins Point of Care Information Technology (POC-IT)

Johns Hopkins Point of Care Information Technology (POC-IT) has undertaken development ofa series of electronic medical specialty guides to assist physicians in raising the standards of care. In keeping with the educational mission, a system has been created to compress complex clinical guidelines into concise pearls of information as expert advice needed by clinicians at the point of care. The Johns Hopkins Antibiotic Guide (ABX Guide) is the first deployment of an invention called POC-IT which
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Novel Neuromorphic Signal Cross-Correlation Device

Abstract (Set) The Johns Hopkins University seeks a partner to commercialize a novel signal cross-correlation engine. Utilizing silicon neurons, the engine significantly reduces the computational resources and time required to extract motion or to separate sound sources. Cross-correlation is a useful function in many engineering applications, from wireless communication to object recognition. Yet it has remained a computationally intense process until now. Description (Set) • Signal cross-c
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ABACUS: an Automated Algorithm for Determining Genotypes from Quantitative Probe Hybridization Data

An automated statistical method has been developed to determine genotypes of individual DNA samples from quantitative hybridization assays to DNA probes. This method was validated using Affymetrix Variation Detection Arrays (VDAs). The method provides a quality score (i.e. confidence score) to individual genotype calls, allowing investigators to focus their attention on sites that give accurate and repeatable information. Description (Set) The invention is an automated statistical framework fo
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Procedure Reporting System

The Procedure Reporting System provides clinical users with the ability to document any type of clinical procedure. It is fully integrated with the JHMI Electronic Patient Record (EPR); using EPR as the source for patient, encounter, and referring MD information; and automatically adding clinical procedure documents to the EPR as they are created. As by-products of the procedure documentation process; professional fee charges and hospital charges are automatically generated and delivered to the
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Method to Fabricate Ultra-thin Nanoporous Metal Membranes and Coat Catalytic Metals Thereon

The invention relates to the fabrication and application of extremely thin free-standing metal membranes ("leaf"). We have developed a way to make such membranes highly porous, with pore sizes tunable between 5 nm and 100 nm. These materials have very high surface areas, and may be readily attached to a variety of substrates. The preferred material out of which we make such porous membranes is gold, because this material is highly inert, biocompatible, and easily handled, although the method is
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High Performance Nanocrystalline Materials and Methods of Making the Same

Under certain conditions, nanostructured materials have been found to exhibit improved mechanical properties over corresponding, coarse-grained materials. However, most methods for creating nanostructured materials typically involve sacrificing one or more desirable properties in favor of another (e.g., ductility is often compromised in favor of tensile strength). Hopkins inventors have made such compromise unnecessary with the introduction of new nanostructured materials - and methods for prepa
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Inverse Pricing of American Options and Other Financial Derivatives

An apparatus for and method of determining the price of financial derivatives such as options. One preferred embodiment of the invention employs a discretized partial differential linear complementarity problem (PDLCP) based system to determine the forward pricing of financial instruments such as vanilla American options. In this embodiment, an optimization problem in the form of a mathematical program with equilibrium constraints (MPEC) is implemented to derive implied volatilities of the asset
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Bubble-based Micropump

Apparatus used for pumping a small quantity of fluid with a postage stamp-sized bubble-based micropump. The device creates one microscopic bubble at a time by heating the asymmetrical part between two small tubes. The repeated growth and collapse of one bubble forces the fluid through one tube allowing a small amount of fluid to be pumped. Because the bubble-powered micropump has no moving mechanical parts such as opening and closing valves, its prospects of failure are minimal. The device has g
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Bismuth Thin Films Structure and Method of Construction

The invention is directed to the use of electrochemical deposition to fabricate thin films of a material (e.g., bismuth) exhibiting a superior magnetoresistive effect. The process allows to produce a thin film of Bismuth with reduced polycristallinization and leads to the production of a single crystalline thin films. The fabrication of this kind of film includes two steps: the deposition of a Bismuth layer onto a substrate using electrochemical deposition, and a annealing step for the formation
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Arrays of Semimetallic Bismuth Nanowires and Fabrication Techniques Therefor

In the present invention, nanowires are fabricated by electrodeposition using semi-metallic bismuth. In this novel form of nanowire, positive magnetoresistance (MR) as high as 300% at low temperatures and 70% at room temperature, with a quasi-linear field dependence has been achieved. The MR effect in these semi-metallic nanostructures not only has much larger magnitude than, but also is characteristically different from, the negative GMR previously obtained in metallic nanostructures. Descrip
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Method of using synchronous rectification for autocalibration of A/D conversion with AC modulated measurements

Sensor measurements frequently require analog-to-digital (A/D) or digital-to-analog (D/A) signal conversion to communicate to computers or devices. Accurate sensor measurements require careful calibration of both the A/D or D/A components of the sig nal loop. This calibration greatly increases both time and cost, as well as requires highly stable A/D and D/A components. Researchers at the University at Buffalo have developed a method of synchronous rectification and frequency domain analysis w h
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Swim Trainer

The invention is an integrated system and method that allows a coach to design and conduct training strategies to maximize athletic performance and monitor progress. The system employs an underwater light system that paces an individual swimmer’s t raining session. The system has a computer interface which allows a coach or a swimmer to input a particular training strategy using pace lights and timing system or, alternatively, using the system’s internal training programs. The system allows
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Complementary Field-Effect Transistor Logic Circuits for Wave Pipelining

This invention describes a novel CMOS digital circuit to improve wave-pipeline systems used in high speed digital systems. It uses complementary transmission gates and pull-up/pull-down transistors to create circuits tuned to provide substantially eq ual delays, high-quality ‘ones’ and ‘zeros’, and substantially equal rise and fall times, for every transition. Other advantages are: 1)Very high pipeline rates approaching physical speed limits, without much latency increase. 2)Minimizin
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Method of using synchronous rectification for autocalibration of A/D conversion with AC modulated measurements

Sensor measurements frequently require analog-to-digital (A/D) or digital-to-analog (D/A) signal conversion to communicate to computers or devices. Accurate sensor measurements require careful calibration of both the A/D or D/A components of the sig nal loop. This calibration greatly increases both time and cost, as well as requires highly stable A/D and D/A components. Researchers at the University at Buffalo have developed a method of synchronous rectification and frequency domain analysis w h
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ISFET Based Highly Selective Biochemical Sensors and Sensor Arrays

This technology describes a device and a method that combines porous-xerogel-based sensing with CMOS Ion-Sensitive Field Effect Transistors (ISFETs) for measurement of pH or other ionic concentrations in fluids. The former works through an analyte-re cognition chemical sequestered within a porous xerogel layer or mass that reacts with the analyte entering through the pores to generate optical signals. In this technology a xerogel layer is placed over an ISFET (to create a ‘XeroFET’) and the
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CMOS ISFET-based pH Sensor

This technology describes novel transformations of CMOS Ion-Sensitive Field Effect Transistors (ISFETs) for use as pH-sensors. In currently available alternatives of the same genre, two MOSFET-ISFET combines with different pH-stimulated electrodes ar e connected in a differential format (to yield greater accuracy) to yield the pH sensors. The attachment of the electrodes involves undesirable post-processing. In this technology, instead of modifying the electrodes, one of the MOSFET-ISFETs is sli
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Jerk Limited Techniques for Minimizing Vibration of Maneuvering Structures

Control of machine vibrations is very important in design of flexible motion systems. This technology describes a technique to design time-delay filters which modify the input to the dynamic system such that the residual vibration at the end of the maneuver is eliminated or minimized in the presence of modeling uncertainties. The proposed technique will permit the designer to select the level of permitted jerk, which is directly correlated to the acoustic noise generated by the vibrating struc t
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Method and System for Controlled Dispersion Acoustic Impulse Signal Based Detection and Imaging of Buried Inclusions in Dry and Wet Granular Beds

This invention relates to a method and a system for detecting and imaging the shape, location, and material identity of buried objects at any depth in granular beds. It employs controlled dispersion mechanical energy impulses generated over relative ly small areas of the surface of a granular bed. A computer will detect the results of the impacting impulses and will be used to create a visual image of the buried object and its location, as viewed from above. The material that the object is c
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Highly Effective Energy Dissipation Apparatus for the Seismic Protection of Structures

This invention describes an energy dissipation apparatus for installation in structural frames to mitigate seismic effects. The design comprises a scissor-jack system of braces with an energy dissipation device such as a viscous, viscoelastic or hys teretic damper, or an active or semi-active device connected between opposing pivot joints of the scissor-scissor jack system. The scissor jack system magnifies displacement so that energy is dissipated more effectively by the damper. Open bay, diago
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Detection and identification of buried, non-metallic landmines via acoustic sensing

This invention describes a technology appropriate for detection of buried objects such as landmines, buried structures and artifacts in soil beds and inhomogeneities in mass distribution of powders. It is a method and a system for detecting and imaging the shape, location, and material identity of buried objects at any depth in granular beds. It employs controlled dispersion of mechanical energy impulses generated over relatively small areas of the surface of a granular bed. If there is a ny
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Low Frequency Seismic Accelerometer

This invention describes a sensor for civil engineering applications in earthquake zones and for other applications where low frequency, large dynamic measurement range is required. Earlier technologies like high and "force-balance" acceleromet an deliver the frequency and dynamic range but are extremely expensive. Capacitor type, silicon type sensors have good frequency range but poor dynamic range. Piezoelectric type sensors have poor frequency range also narrow dynamic range. Piezo-re sistant
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Swim Trainer

The invention is an integrated system and method that allows a coach to design and conduct training strategies to maximize athletic performance and monitor progress. The system employs an underwater light system that paces an individual swimmer’s t raining session. The system has a computer interface which allows a coach or a swimmer to input a particular training strategy using pace lights and timing system or, alternatively, using the system’s internal training programs. The system allows
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Mixed Phase Thin Film Capacitor

This invention describes a method for the fabrication of a thin-film capacitor with high dielectric constant and low leakage. It relies on special methods of depositing the dielectric material to achieve both a high dielectric constant and low leaka ge current and is useful in applications that require large capacitances with small size. It combines PZT with BaTiO3 layers to take advantage of the superior electrical properties of the BaTiO3 structure, while enhancing the electrical properties of
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Complementary Field-Effect Transistor Logic Circuits for Wave Pipelining

This invention describes a novel CMOS digital circuit to improve wave-pipeline systems used in high speed digital systems. It uses complementary transmission gates and pull-up/pull-down transistors to create circuits tuned to provide substantially eq ual delays, high-quality ‘ones’ and ‘zeros’, and substantially equal rise and fall times, for every transition. Other advantages are: 1)Very high pipeline rates approaching physical speed limits, without much latency increase. 2)Minimizin
...

Jerk Limited Techniques for Minimizing Vibration of Maneuvering Structures

Control of machine vibrations is very important in design of flexible motion systems. This technology describes a technique to design time-delay filters which modify the input to the dynamic system such that the residual vibration at the end of the maneuver is eliminated or minimized in the presence of modeling uncertainties. The proposed technique will permit the designer to select the level of permitted jerk, which is directly correlated to the acoustic noise generated by the vibrating struc t
...

Mixed Phase Thin Film Capacitor

This invention describes a method for the fabrication of a thin-film capacitor with high dielectric constant and low leakage. It relies on special methods of depositing the dielectric material to achieve both a high dielectric constant and low leaka ge current and is useful in applications that require large capacitances with small size. It combines PZT with BaTiO3 layers to take advantage of the superior electrical properties of the BaTiO3 structure, while enhancing the electrical properties of
...

Method and System for Controlled Dispersion Acoustic Impulse Signal Based Detection and Imaging of Buried Inclusions in Dry and Wet Granular Beds

invention relates to a method and a system for detecting and imaging the shape, location, and material identity of buried objects at any depth in granular beds. It employs controlled dispersion mechanical energy impulses generated over relative ly small areas of the surface of a granular bed. A computer will detect the results of the impacting impulses and will be used to create a visual image of the buried object and its location, as viewed from above. The material that the object is compos
...

Detection and identification of buried, non-metallic landmines via acoustic sensing

This invention describes a technology appropriate for detection of buried objects such as landmines, buried structures and artifacts in soil beds and inhomogeneities in mass distribution of powders. It is a method and a system for detecting and imaging the shape, location, and material identity of buried objects at any depth in granular beds. It employs controlled dispersion of mechanical energy impulses generated over relatively small areas of the surface of a granular bed. If there is a ny
...

Low Frequency Seismic Accelerometer

This invention describes a sensor for civil engineering applications in earthquake zones and for other applications where low frequency, large dynamic measurement range is required. Earlier technologies like high and "force-balance" acceleromet an deliver the frequency and dynamic range but are extremely expensive. Capacitor type, silicon type sensors have good frequency range but poor dynamic range. Piezoelectric type sensors have poor frequency range also narrow dynamic range. Piezo-re sistant
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Improved Metal Complex Chemical Precursors for Atomic Layer Deposition (ALD) and Chemical Vapor Depostion (CVD) using Bicyclic Guanidines

Summary Continued improvements in semiconductor technologies rely heavily on advanced material compositions such as high-k dielectrics, low-k dielectrics, and electrically conductive metal nitrides. These materials enable the continued progression of Moore’s Law, allowing ever-smaller components to be integrated onto a microelectronic chip. In current device fabrication facilities, vapor deposition is a preferred method for making these materials, allowing precise control over material un
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Robust and inexpensive actuator to generate motion in small-scale devices

Summary Innovation and Advantages: The invention is a novel design and fabrication of a millimeter scale SMA actuator used to generate motion. In addition, the researchers have developed a novel system for annealing shape memory alloys (SMA). This system allows for the creation of a spring that has discrete contraction lengths, as opposed to the “all or nothing” contraction of current SMA springs. Unlike existing techniques, our method is robust and can create accurate contraction le
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A Microfluidic Device and Methodology for Rapid, Quantitative Determination of Analyte Concentration in a Fluid Sample

Introduction Advances in microfluidic technology are constantly opening doors to new and exciting applications, especially for biosensors and environmental monitoring. One recent area of interest is point-of-care diagnostic devices. These devices provide fast, accurate, and inexpensive sample analysis. Recent advances have enabled a universal platform that is adaptable to a potentially limitless array of analytes and could lead to affordable health care devices, including for the developing worl
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Platelet Clotting Force Array

Introduction Advances in microfluidic technology are constantly opening doors to new and exciting applications, such as point-of-care diagnostic devices. These microscale diagnostic platforms will enable faster, cheaper, and more accurate patient evaluation for a wide array of parameters. One such parameter is the coagulation capacity of blood, for abnormalities in which can be indicative of a wide variety of pathologies. The ability to more quickly and easily assess platelet function would grea
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Tissue-Engineered Urinary Bladder Using Autologous Cells

Introduction There is a variety of reasons that a person’s bladder may fail or require removal, including bladder acontractility, cancer, and cystitis. Unfortunately, conventional artificial bladders tend to suffer from critical complications, such as inadequate performance, infection, and adverse host response. Ideally, a new bladder could simply be formed from the patient’s own cells. Technology Description Professor Ratner at the University of Washington has developed a technique to creat
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Advanced Biomimetic Surfaces for Surface-Enhanced Raman Spectroscopy (SERS)

Introduction Raman spectroscopy characterizes molecules by their Raman scattering. As incoming light scatters off a molecule, most does so elastically, neither gaining nor losing energy, and this is known as Rayleigh scattering. Some of this light, however, about 1 in 10 million photons, is the subject of an energy exchange with the molecule and scatters inelastically, possessing more or less energy than it started with, and this is known as Raman scattering. Raman scattering acts as a vibration
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Respiratory Detection System (RDS)

Introduction Respiration rates are an important indicator of cellular and metabolic states in cells ranging from mammalian to bacterial, from individuals to large populations. Unfortunately, conventional techniques have significant drawbacks: for instance, electrochemical techniques have low sensitivity and consume oxygen and optical techniques are difficult to integrate. With more effective monitoring techniques, the detection of microorganisms, the characterization of disease states, and the c
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“Artificial nose” based on surface plasmon resonance sensor derivatized with specific biofilms

Introduction Surface plasmon resonance (SPR) sensors can be used for the detection of target chemical, biochemical, and biological analyte binding in a very specific and sensitive manner. One of the biggest limitations to this technology is the speed with which detection can take place. Slow rates of detection make high-throughput binding analyses very expensive as multiple sensors are required. If binding rates were improved, then the practical applications of SPR sensors would be dramatically
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PEO Coated IOL

Introduction Intraocular lenses (IOL) are well established in the area of ophthalmology, and are often used to replace a natural lens affected by cataracts or to compensate for refractive errors. IOL implantation is considered to be surgically advantageous, particularly in the treatment of cataracts. However, this procedure does come with complications, including damage to the corneal endothelium and inflammatory responses within the anterior or posterior segment of the eye. The described invent
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New biocompatible and biodegradable polymers

Introduction Porous biodegradable scaffolds are ideal materials on which, new tissue may be grown. These new tissues are used as graft material to replace damaged tissue removed during surgery. These polymers may also be used in drug delivery systems and for medical device coating. Technology description Researchers at the University of Washington have developed a new family of biodegradable, biocompatible polymers made of repeating subunits of amino acid monomer units and low molecular weight p
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Intraocular Drug Delivery System

Introduction 10 million intraocular lenses are implanted each year worldwide in which infection is a major concern. In order to prevent serious infections that can lead to blindness, antibiotic drops are prescribed to be administered after surgery by the patient. Antibiotics are applied to the eye using eye-drops that are difficult and often uncomfortable to administer. These difficulties lead to patient compliance problems and eye infections. Technology description Researchers at the University
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Fluid flow assisted dielectrophoretic alignment and sorting of dielectrophoretic alignment and sorting of

Introduction The accurate and precise sorting and deposition of nano/bio materials within a nano- or micro-environment is critical for the functionality of devices such as biochips. Fluid flow in a microchannel is one method of controlling long-range transport and electric fields may be employed to control short-range positioning of nano/bio materials. Technology description Researchers at the University of Washington have developed an alignment and sorting method of nano/bio materials using flu
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Precision coating of macromolecules on Surfaces

Introduction Production of chemically modified surfaces by ion deposition allows for unique chemistries on those surfaces, providing functionalities that are critical to medical devices such as stents and vascular grafts. Sophisticated materials are now required for complex medical applications such as implant biocompatibility and biosensing as well as passive functions like sterility. Technology description Researchers at the University of Washington have developed a process and apparatus for d
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Delivery of PEGylated Drugs from Bioadhesive Formulations

Introduction While significant advances have been made in the field of PEGylated drug delivery, there is still a need for novel and improved PEGylated drug delivery formulations, particularly those that are useful in the area of sustained drug delivery. Technology description Researchers at the University of Washington have developed a novel drug delivery formulation consisting of a PEGylated drug complexed with a bioadhesive polymer wherein the PEGylated drug comprises a polyethylene glycol cov
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Active Contact Lens

Introduction The interstitial fluid in the eye over the cornea is in indirect contact with blood serum via capillaries in the eye and is a good target for biomarkers that signal certain health conditions. If sensors and data transmitters could be implanted in a contact lens, the health of the user could be monitored continuously. Technology description University of Washington researchers have developed the active contact lens, a multifunctional chip integrating electronic, radio frequency, phot
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Biochemical Sensor in Open Nanochannel

Introduction Micro and nano-sized biochips are convenient for exploring molecular interactions because of their small feature size. The small size of the chips allows for sensitive detection on the molecular level while reducing testing time and sample volumes. Technology description Researchers at the University of Washington have developed a biochemical sensor that uses an array of open nanochannels (10 – 1000nm) to study molecules such as DNA. Channels are fabricated by nanomachining or sha
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Design of Fish Fin Actuators Based on Shape Memory Alloys

Introduction Shape memory alloys (SMA) are metals which can return to their original shape after deformation through the application of heat. They are in wide use for applications ranging from cardiovascular stents to reversible energy-absorbing bumpers for automobiles. SMA’s take advantage of the metal’s transition between two distinct crystal structures, providing rapid motion at moderate forces. Technology description Researchers at the UW have developed a new set of fish fin actuators ba
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Jet Vectoring Through Periodic Excitation

The Invention Jet Vectoring through Periodic Excitation enables the control of the direction of a jet without any moving parts. This method has many advantages, the main ones being the enhanced ability to quickly and effectively control the jet in several axis and the potential weight reduction compared to a mechanical thrust vectoring system. Periodic Excitation enables the change of aerodynamic forces and moments with exceptional bandwidth, without generating prohibitive inertial loads on the
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Super Resolving Imaging System

The Invention The Super Resolving Imaging System is capable of increasing the effective diameter of the lens by a magnitude of between 4 and 16, enabling weight and cost reductions in an imaging system with no loss in output quality. The system works on a method of enhancing the spatial frequencies of the subject. Its primary application is to improve imaging systems. In collision warning systems for vehicles the Super Resolving Imaging System greatly improves the speed of distance estimat
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Thermodynamically Stable Contacts for Binary Semiconductors

The Invention This invention provides thermodynamically stable electrical contacts for wide band gap binary semiconductors, as well as stable contacts with Ohmic or rectifying properties. This new technology enables the creation of a stable metal contact for semiconductor devices operating at high temperatures (400°C-600°C). These contacts are crucial to the automotive industry. The Technological Innovation The new technology makes use of a bi-layer metallic contact composed of a reactive
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Approximate Prefix Coding for Program Compression

The Invention Reduction in the size of software on a chip without the reduction of functionality is now possible through the innovation of Approximate Prefix Coding for program compression. This is a PLA (Programming Logic Array) class-based method, which can significantly decrease the amount of memory needed. This is crucial to the embedded microprocessor market, in which the entire embedded system is just one chip, and there is little extra memory for the decompressed data. The Approximate P
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Cobalt tungsten phosphorous electroless deposition process and materials

The Invention The new technology of electroless cobalt has lower resistance and enhanced electromigration resistance compared to alternative barriers that are used today. Therefore, for deep submicron technology, the new technology yields better global interconnect delay and improved reliability. Furthermore, it is well conformed to the use since the deposition is a surface reaction which is limited due to the high diffusion of the species material in the liquid phase. With respect to dim
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All-optical Imaging System with Extended Depth of Field

The Invention The All-optical imaging system allows for real time, on line imaging in any difficult focal conditions (i.e. movement, changing distances, problematic lighting/contrast ratios) without having to adjust or align the system. The system’s modified lens provides a high depth of field, namely, an extended region within which the image is kept in focus without the need for an auto focus mechanism or a post-processing step. Due to its large depth of field capability, the system can als
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Electroless Deposition of Thin Copper-Molybdenum Layers for ULSI Applications

The Invention Electroless deposition of thin copper-molybdenum layers is a method of producing highly reliable nano-wires for interconnect applications to solve the problems in the use of copper interconnects. By adding small amount of molybdenum the copper resistance to electromigration is increased. This reduces corrosion and prevents contamination of the silicon substrate. This innovation is of major importance to the manufacturers of ultra large-scale integration (ULSI) applications. Copp
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Rapid Fabrication of Carbon Nanotubes

The Invention Carbon nanotubes are a new molecular form in which carbon atoms form a hollow tube with diameters in the nanometer range. The scientific innovation from the University of Tel Aviv provides a simple, inexpensive and rapid method of fabrication of multi-wall carbon nanotubes at selected locations. Production takes place in the open air and can be performed on various substrates. The novel method overcomes difficulties in existing production processes. No pre-treatment or post-treatm
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Dynamically Controllable Photonic Crystals (PhCs)

The Invention Dynamically Controllable Photonic Crystals (PhCs) allow for dynamic control of electromagnetic (EM) wave motion through a silicon PhC comprising of arrays of micro-cavities. This is achieved by changing the local refractive index in the vicinity of a micro-cavity. This enables the dynamic manipulation of the light, similar to the manipulation of electrical carriers in semiconductors. This dynamic control may facilitate implementation of various switching and routing elements in Ph
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High-Voltage Atomic Force Microscopy

The Invention The High Voltage Atomic Force Microscopy (HV-AFM) is an innovative tool for nano-machining and the MEMS industry. The HV-AFM’s advanced ability to apply high voltage to a very small area enables the production of patterned nano-scaled ferroelectric crystals that increase the current area density by four orders of magnitude. Moreover, the novel machinery is capable of making several holes of 10 nm in diameter within close proximity of one to the other. These qualities enable the
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Highly Efficient Fuel Cell

The Invention The new type of fuel cell utilizes a unique nano-porous proton conducting membrane and improved fuel cell components including improved anodic and cathodic catalysts, membrane electrode assembly and bipolar plates with flow fields for both solution and gas. A hydrogen/bromine cell was built with a record high power density of 1.3 W/cm2 (vs less than 0.25 W/cm2 for conventional H/Br fuel cells. These fuel cells are an enabling technology for efficient storage of inconstant engery
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Method and Apparatus for Producing Carbon Nano-particles

The Invention Solid particles having micrometer and nanometer dimensions are increasingly needed in technological applications. TAU innovation simply and inexpensively fabricates various micro- and nano-particles in an organic fluid. The particles can be separated from the fluid electrically, magnetically, or gravitationally, or the particles can be transported suspended in the fluid, and the fluid evaporated at a later stage in the process. A variety of novel nano-structures such as nano-fi
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Generating 3D video from standard 2D compressed video

A new algorithm for generating 3D video from standard compressed 2-D video, using a method for extraction of motion vectors. The method allows the synthesis of dense depth maps for 3D video generation and display. The Need The method uses inherent motion of the scene to extract enough information to generate 3D images from standard 2D sequences. The novelty of the invention is that it uses standard video encoders to extract depth maps for 3D visualization in real-time. This method does not
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Novel Method for High Quality Thin Film Deposition

The Invention A novel deposition method based on the vacuum arc has been developed to deposit thin films and coating. The method utilizes a homogenous plasma jet which is free of film-degrading macroparticles The Need A vacuum arc discharge is sustained between a water cooled cathode, fabricated from a metal to be deposited, and a hollow anode, fabricated from a refractory conductor. The cathode-anode assembly creates a closed box separated by an isolator. A dense, energetic plasma forms in t
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Smart Video Retargeting

The Invention We have developed a method that can infer which regions in each frame are of importance – these regions are then used to reconstruct a down-sampled frame. We achieve this using novel image processing computer vision algorithms that determine each region’s importance, map it into an optimal optimization framework and transforms the original frame to a downsized frame The Need With the recent advent of mobile video displays and their expected proliferation, there is an acute n
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Miniature Air Vehicle Controlled and Propelled by Active Flow Control

The Invention Miniature Air Vehicles (MAV’s) with Active Flow Control (AFC) is an aviation invention in which the means for thrust generation, flight control and lift augmentation are created by the same fluidic actuators, located within the MAV. This can solve many of the problems that inhibit further development of the field. The most compelling reason for using AFC for MAV’s, is that traditional control surfaces, as well as external motor-driven propellers, are eliminated and the only p
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Single photon detector

The Invention The invention is a novel solution to the problem of ultra-low level light imaging. The research team is working on a simple and low-cost method using cost effective imager device technology for implementation of the “Single Photon Imaging” (SPI). This imager is based on an “Electron Bombardment Complementary Metal Oxide Semiconductor Image Sensing” (EB-CMOS-IS) technology. The Need Low light level imaging is exploited in military, scientific, astronomy, surveill
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Nanowires as Fast Chemical Sensors

Background: Recent years have witnessed a significant interest in biological applications of novel solid-state nanomaterials. The unique physical properties of molecular or nanoscale solids when utilized in conjunction with the biomolecular recognition capabilities could lead to miniaturization of biological electronics and optical devices including sensors. Technology: University researchers have developed a method of measuring the dynamic impedance of a nanowire such as, but not limited to
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Suppression of Jet Noise from Aircraft

University researchers have developed a method to achieve significant noise reduction with simple modifications of the engine exhaust. These modifications have a very small effect on engine thrust. Moreover, the nature of the modification allows for on-demand activation of the noise suppression mechanism when quiet operation is desired; e.g, during takeoff and landing. At other flight stages such as cruise, the mechanism could be deactivated. This results in a very efficient noise suppression sy
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Focused Electron and Ion Beam Systems

ABSTRACT: An electron beam system is based on a plasma generator in a plasma ion source with an accelerator column. The electrons are extracted from a plasma cathode in a plasma ion source, e.g. a multicusp plasma ion source. The beam can be scanned in both the x and y directions, and the system can be operated with multiple beamlets. A compact focused ion or electron beam system has a plasma ion source and an all-electrostatic beam acceleration and focusing column. The ion source is a small ch
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Low Power, High Energy Gamma Ray Detector Calibration Device

APPLICATIONS OF TECHNOLOGY: - Calibrating the energy output and efficiency of high resolution HPGe detectors used in environmental monitoring and physics research - Calibrating large gamma ray detectors being developed for homeland security cargo screening and neutrino detectors - Educating physicists and nuclear engineers ADVANTAGES: - Produces gamma rays up to 10 MeV, higher than possible with radioactive sources - Gamma-ray spectrum can be tuned to suit the application - Inherently safe
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Heat Shrinkable Sheathing

IB-2475 APPLICATIONS OF TECHNOLOGY: Strapping and bundling objects together tightly ADVANTAGES: • Enabling of multiple assemblies to be fitted and then tightened as a group with one application of heat • Fitting shrinkable tubing to endless or looped structures without disassembly of structures by having a seam in the tubing which is closed on installation (by a zipper for example) • Quicker, more secure installation than stretching tape ABSTRACT: Berkeley Lab researchers ha
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Directed Vapor Deposition of Electron-Beam Evaporant

We have developed a new electron-beam vapor deposition technology that combines traditional electron-beam evaporation with gas stream deposition techniques for high efficiency metal or reactive metal-oxides. Our system allows more rapid, more efficient deposition of multi-component coatings and films and overcomes many of the serious drawbacks of other methods. Our system is an improvement over low vacuum gas stream techniques, which create the vapor upstream of the gas supply nozzle and are
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Aluminum-Based Metallic Glass Alloys

This novel metallic glass is nearly two times stronger than any previously existing aluminum alloy. This amorphous aluminum alloy is formed in thin flexible ribbons. By layering the ribbons with a polymer, sheets are produced that can be formed into any shape. The alloy is extremely resistant to corrosion and is cheaper to produce than titanium. In addition, the metallic class is isotropic in strength (the tensile strength of the alloy is the same no matter in what direction the stress is app
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