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Solid State Shear Pulverization of Multicomponent Polymeric and Waste Materials

INVENTION: Northwestern researchers have developed the solid state shear pulverization of polymeric materials (S3P Process), converting thermodynamically incompatible polymers to particulates suitable for direct melt processing without added compatibilizing agents. The process has been operated at s
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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 compara
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Die-less Sheet Metal Forming (27097)

INVENTION: Without the need of a die, the invention forms sheet metal through a new technique known as Double Sided Incremental Forming (DSIF). Die-less, incremental forming methods like DSIF have been used to cost-effectively form prototype and low-volume production parts. In contrast to other “3D-
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Magnetic Material with Large Magnetic-Field-Induced Deformation (27050)

INVENTION: Polycrystalline Ni-Mn-Ga foam magnetic shape-memory alloys exhibiting significant reversible magnetic field-induced strain. ADVANTAGES: A polycrystalline Ni-Mn-Ga foam magnetic shape-memory alloy exhibiting magnetically induced strain about 50 times larger than reported for nonporous,
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Surface-Independent, Surface-Modifying, Multifunctional Coatings and Applications Thereof (26145)

INVENTION: Northwestern researchers have developed a substrate independent multifunctional surface modification affording adherent nanofilms on all natural and synthetic surfaces tested, including metals, oxides, semiconductors, polymers and ceramics. The nanofilm chemically combines with a wide ran
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Programmable Parts Feeder (25111)

INVENTION: The invention is a vibratory device that programmably conveys, sorts, orients, and feeds multiple parts simultaneously, in parallel. To the best of our knowledge, it is the only commercially viable vibratory device that can perform this variety of functions without large numbers of actuat
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Gas flow method for detection of preform defects (24068)

INVENTION: Method and apparatus to detect and characterize a defect in a fiber preform residing in a preform-receiving cavity of a mold or simulated mold of the type used for liquid composite molding (e.g., resin transfer molding) to make a composite component or structure. The defect may result fro
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Diagnosis, Prevention and Treatment of Eye Injury and Infection

Abstract (Set) According to the World Health Organization, cataracts are the leading cause of blindness in the world. Approximately 10 million cataract operations are performed each year in the world. By the year 2020 the number of blind people over 60 years of age will likely reach 54 million worl
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Functional Isolation of the Low-oxygenic Niche Derived Primitive Hematopoietic Stem Cells By Differential ROS Activity

Abstract (Set) A low-oxygenic niche in bone marrow limits reactive oxygen species (ROS) production, thus providing long-term protection for hematopoietic stem cells (HSCs) from ROS stress. Although many approaches have been used to enrich HSCs, none have been designed to isolate primitive HSCs loca
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Radiolabeled Inhibitors for Prostate Cancer Imaging & Therapeutics

Abstract (Set) Prostate-specific membrane antigen (PSMA) is a cell surface protein that is over expressed in prostate cancer, including hormone-refractory and metastatic disease. Successful imaging of xenografts that express the prostate-specific membrane antigen (PSMA) using small animal PET and P
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Use of Transcranial Magnetic Stimulation (TMS) to Treat Cerebral Palsy.

Abstract (Set) Prostate-specific membrane antigen (PSMA) is a cell surface protein that is over expressed in prostate cancer, including hormone-refractory and metastatic disease. Successful imaging of xenografts that express the prostate-specific membrane antigen (PSMA) using small animal PET and P
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A "Molecular Switch" in Group 1 mGluR Signaling Relevant to Neurological and Psychiatric Diseases

Abstract (Set) Reported here is the mechanism by which group 1 metabotropic glutamate receptors (mGluR) are co-functional with dopamine receptors or growth factor receptors. This convergent signaling is central to understanding several diseases including drug addiction, inflammatory pain, schizophr
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The Immediate Early Gene Arc Interacts with Endocytic Machinery and Regulates the Trafficking and Function of Presenilin

Abstract (Set) These discoveries promise a novel approach to develop agents to regulate presenilin 1 (PS 1) and treat Alzheimer's Disease and age-dependent memory decline. PS 1 functions as part of the gamma secretase (protease) complex that acts on amyloid precursor protein (APP), Notch and severa
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Topical Administration of Peripherally Acting Drugs for the Treatment of Chronic Pain

Abstract (Set) Clinicians currently have few therapeutic options when it comes to treating chronic neuropathic pain. Drugs available on the market today are not effective in all patients, and often result in partial alleviation of pain. Multiple studies have shown that opioids are effective in trea
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Atomic Force Electroluminescence Microscopy

INVENTION: Northwestern University scientists have invented a new atomic force microscope tool, AFEM, capable of gathering simultaneous topographical, current, and electroluminescence information through a commercially available conductive AFM tip. Characterization of individual bottom-emitting opto
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PSMA-targeted Nanoparticles for Therapy of Prostate Cancer

Description (Set) Targeted therapy for cancer has gained considerable importance recently with various improvements not only in target identification, but also in small molecule or antibody development. It has also been demonstrated that polymeric nanoparticles can passively target tumors via the e
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Mouse Model of Human Head and Neck Squamous Cell Carcinoma

Abstract (Set) Cancers of the head and neck, the majority of which arise in the squamous cells that line the mucosal surfaces in the head and neck, account for 3% of all malignancies in the United States. Human head and neck squamous cell carcinoma is a clinically aggressive tumor, and fewer than 5
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Quality Control of Composite Part Preforms

INVENTION: The invention tests individual preforms used in composite parts. The invention has these advantages over currently available methods: It does not rely upon visual inspection It avoids scrap by testing preform defects before a composite part is formed It can utilize low cost test fix
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Novel Strategy to Induce Erythropoietin Production in vivo

Description (Set) Anemia is the most common disorder of the blood. For chronic anemia such as induced by renal failure and chemotherapy, administration of recombinant erythropoietin (EPO) protein exhibits powerful therapeutic effects. Unfortunately, this therapeutic efficacy is accompanied by side-
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Novel Immunotherapy for Contact Dermatitis

Abstract (Set) Allergic contact dermatitis, the third most common reason for outpatient dermatology visits, is an immunological disease that gives significant influences on patient's quality of life and makes enormous economical impacts. Current therapies for contact dermatitis are largely dependen
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ER alpha M4, ER alpha U4, p16 M4, p16 U5, Hin1 M1, Hin1 U2, RASSF1a M1, RASSF1a U1, RAR beta M1, RAR beta U1, Twist BM2, Twist BU5, APC M3, APC U3, Cylin D2 M1, Cyclin D2 U4, 14-3-3 M2, 14-3-3 U3, HIC

Abstract (Set) Plasmid DNAs incorporating human gene-specific promoter sequences altered by sodium bisulfite treatment. Description (Set) Proposed Use (Set) Their use includes serving as reagents, standards, or controls for assays of gene methylation (e.g. for determining Methylated or unmethy
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Candidate Proteasome Inhibitors that Prevent E6 Mediated p53 Degradation and Selectively Kill HPV+ Cervical Cancer

Abstract (Set) High-risk strains of Human papillomavirus (HPV) cause over 90% of cervical cancers. About 20 million people (men and women) are thought to have an active HPV infection at any given time. Yearly, 14,000 cases are diagnosed and 5,000 women each year die of cervical cancer in the United
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Genomewide Analysis of Chromosomal Translocation

Abstract (Set) The cancer genome is quite unstable with many aberrant genetic translocations dispersed across its sequence. Many chromosomal translocations result in chimeric transcripts resulting in elevated expression levels, believed to be responsible for tumorigenesis. Therefore, it is importan
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A Novel Cystic Fibrosis Therapeutic Agent

Abstract (Set) JHU scientists found that a known drug has a novel function as a stimulator of calcium-activated Cl- channels (CaCCs) and, thus, is a potential therapeutic drug in the treatment of cystic fibrosis. Cystic fibrosis is the number one genetic killer of children and young adults in the U
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A Printed-Film Sensor with Application in Automotive and Aerospace Manufacturing

INVENTION: Northwestern has invented a device to monitor process quality for sheet metal fabrication. The invention, made from printed-film technology, measures the so-called “draw-in” at points on the periphery of a sheet metal blank during press stroke. Such monitoring is especially im
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Densification Via Thermal Treatment

Densification Via Thermal Treatment ( 99025) INVENTION: The invention consists of a new thermal processing treatment which is capable of shrinking, and ultimately closing, cavities in materials composed of two or more phases. U. S. Patent No. 6,315,838
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Tactile Pattern Display (26012/27004/27005/27025)

Tactile Pattern Display (26012/27004/27005/27025) INVENTOR: J. Edward Colgate, Michael Peshkin, John Glassmire, Laura Winfield INVENTION: While far more advanced than mechanical buttons, switches, and knobs, devices like touch screens and touch pads fail to provide (despite their
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A Novel Method for Generating and Screening Peptides and Libraries Displayed on Adenovirus Fiber

Abstract (Set) Capsid-displayed adenoviral peptide libraries have been a significant yet unfeasible goal in biotechnology. Three barriers have made this difficult: the large size of the viral genome, the low efficiency of converting plasmid-based genomes into packaged adenovirus, and the fact that
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IDnet Mesh: for a More Secure Intranet and Internet (28118)

INVENTION: IDnet Mesh increases security and authentication on Intranets and the Internet. It accounts for a user’s real identity without publicly revealing his identity. IDnet Mesh helps ensure that all participating users on a web site are who they claim to be to a trusted authority, including the
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Methods to Block or Reduce Damage from Stroke and Other Neurological Disorders

Description (Set) An acute neurological condition caused by blood clots that block blood vessels in the brain is cerebral ischemia (stroke) similarly; blood vessel breakage in the brain is cerebral hemorrhage (stroke). These blood vessel miscues result in the initiation of an ischemic cascade that
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Methods to Reduce Damage from Stroke and Other Neurological Disorders.

Description (Set) Cerebral ischemia (stoke) is an acute neurological condition that is caused by a blood clot that blocks a blood vessel in the brain, while a cerebral hemorrhage (stroke) is caused by a blood vessel that breaks and bleeds into the brain. The result of a stroke is the initiation of
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PICSEL (28064)

INVENTION: Computer scaling techniques attempt to optimize a tradeoff between computer performance (speed) and power consumption. User studies have shown that such optimizations greatly improve if a user’s personal tastes are considered during usage. In response to this observation, the investigator
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Facile, PCR Free Detection of DNA with Single Nucleotide Discrimination

Abstract (Set) Single nucleotide modifications in DNA have important affects on gene expression. This results in significant phenotypic effects. Mutations in genes can also result in the development of diseases, including cancer. The ability to rapidly analyze DNA sequence is useful for correlating
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Speculative Remote Display (26119)

Speculative Remote Display is the only known solution that eliminates network round-trip time for remote display systems, making the system more responsive in a wide-area environment. Remote display systems allow a distant user to control a computer or application with a graphical user interface
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Detection of Antibodies to Specific Glycans as a Novel Diagnostic Test for Autoimmune Disease

Abstract (Set) JHU scientists have identified biomarkers specific for autoimmune disease. Systemic autoimmune diseases are life- threatening, complex and can involve various organ systems including skin, joints, the renal system, the hematopoietic system, and the cardiovascular system. In autoimmun
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MKK4/MAP2K4 KO Lines for Drug Discovery

Description (Set) MKK4 (JNKK1, MAP2K4, and SEK1), a dual-specificity kinase gene on chromosome 17p11, is a tumor suppressor gene that is mutated in a subset of most tumor types. MKK4 protein is activated by several kinases, and active MKK4 cooperates with MKK7 to phosphorylate and thereby activate
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Protein Expression Markers for the Detection of Thyroid Cancer Metastasis

Description (Set) Approximately 80% of all thyroid cancers are papillary thyroid carcinomas (PTCs). Correct staging of PTC is one of the most important parts of the work up of patients for both prediction of outcome and determination of the most appropriate treatment. PTC generally has a high cure
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Surface-Immobilized Antimicrobial Peptoids

INVENTION: Northwestern researchers have developed peptoid mimics of antimicrobial peptides that can be immobilized onto surfaces, rendering these surfaces capable of compromising the membranes of attached bacteria. ADVANTAGES: Peptoids afford promising alternatives to conventional antimicrobial
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Time-Sharing Parallel Applications with Performance Isolation and Control (26116)

The inventors have developed a system for time-sharing parallel machines that provides isolation and enables the execution rate of an application to be tightly controlled. Most parallel machines, such as clusters, are space-shared in order to isolate batch parallel applications from each other a
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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 requi
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Thermal Management of On-Chip Caches Through Power Density Minimization (26102)

The invention is a set of straightforward methods by which to reduce power consumption on computer chips. The methods result from a discovery by Northwestern investigators that cooling of on-chip cache memory has a significant impact upon computer chip power consumption. To our knowledge, the prior
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PET32a O-GlcNAcase-thioredoxin Expression Vector

Abstract (Set) Expression and Purification of Recombinant and Endgenous 0- GlcNAcase The human O-GlcNAcase cDNA was subcloned into the commercial expression bacterial expression vector PET32a (Novagen, Madison, WI), as was the shorter splice variant (MGEA5 s), to yield fusion proteins with thioredo
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SMOFC Battery Cathode

INVENTION: A novel battery cathode composition having a higher discharge capacity available from silver reduction at a potential above 3V compared to that of the current standard medical battery cathode SVO material. ADVANTAGES: Batteries incorporating the new cathode exhibit a potential above 3
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Customized Power Management Software (26078)

The invention personalizes and optimizes computing speed and power management for a given application user and manufactured computing device. To the best of our knowledge, the invention is the only solution that personalizes and customizes user experience to the levels that it does. The inventio
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Diagnosis, Prevention and Treatment of Eye Injury and Infection

Abstract (Set) According to the World Health Organization, cataracts are the leading cause of blindness in the world. Approximately 10 million cataract operations are performed each year in the world. By the year 2020 the number of blind people over 60 years of age will likely reach 54 million worl
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Virtuoso: a Computer Resource Marketplace (26060/26075/26076/26077

Virtuoso is a prototype system that creates a marketplace for resource providers to lease computer capacity to resource buyers in a straightforward manner through the use of virtualization technologies. Virtualization simultaneously minimizes the amount of management that providers need to do and m
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Method of Making Silver Vanadium Oxide Material Useful as a Battery Cathode

INVENTION: Ag2V4O11 (SVO) and Ag4V2O6F2, (SVOF) are important cathode materials for medical battery applications such as defibrillators. A one-step process has been developed affording crystalline SVO and SVOF by reaction under ambient conditions, eliminating the need for superambient pressure and t
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Perspective Sculptures and Kits (24072)

A perspective sculpture appears as one object in one view and as another object in another view (See Fig. 1). Other views display nothing discernable. Several commercial products can result. One such product can be a three-dimensional puzzle like the simple example shown in Fig. 2. When the bl
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Controlled Nanoscale Doping of Transparent Conducting Oxides by Focused Ion Beam Implantation (28091)

An effective method for the spatially-controlled writing of embedded, optically transparent, electrically conducting oxide nanowires and other patterns via focused ion beam implantation into highly resistive transparent metal oxide thin films. ADVANTAGES: Nanoscale, spatially-controlled doping o
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Functional Isolation of the Low-oxygenic Niche Derived Primitive Hematopoietic Stem Cells By Differential ROS Activity

Abstract (Set) A low-oxygenic niche in bone marrow limits reactive oxygen species (ROS) production, thus providing long-term protection for hematopoietic stem cells (HSCs) from ROS stress. Although many approaches have been used to enrich HSCs, none have been designed to isolate primitive HSCs loca
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Surface Enhanced Raman Nanobiosensor

INVENTION: Scientists at Northwestern have created surface-enhanced Raman biosensors for detection of in vivo and ex vivo analytes. In particular, the present invention provides a technology for the in vivo detection of blood glucose.>/p> ADVANTAGES: A potentially faster, easier, and less painfu
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FOCUS Focalized Carrier Augmented Sensor (25015)

The invention is a novel avalanche-free single photon detector in the short infrared range that is suitable for ultra-sensitive high-density infrared imaging arrays. The pixel element is low voltage and operates at near room temperatures, does not depend on a large power supply/source, and has near
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Radiolabeled Inhibitors for Prostate Cancer Imaging & Therapeutics

Abstract (Set) Prostate-specific membrane antigen (PSMA) is a cell surface protein that is over expressed in prostate cancer, including hormone-refractory and metastatic disease. Successful imaging of xenografts that express the prostate-specific membrane antigen (PSMA) using small animal PET and P
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Cryogenic Variable Temperature Scanning Tunneling Microscope (24108)

An advanced cryogenic variable temperature ultrahigh vacuum (UHV) scanning tunneling microscope (STM) has been developed at Northwestern University. Incorporation of a new design and materials provides a robust instrument capable of high atomic resolution at 8.2 to 300 K, critical for single molecul
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Use of Transcranial Magnetic Stimulation (TMS) to Treat Cerebral Palsy.

Description (Set) Cerebral palsy is manifested in a wide range of muscle dysfunctions which can have a severe impact on the quality of life of the patient. Using an innovative imaging technique, JHU scientists have observed unexpected and surprising pathologies in the brain of the cerebral palsy pa
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Diamond Probes and Method of Making (24098)

The invention is an ultra-hard, ultra-sharp diamond probe and tip for applications such as AFM and Nano-Lithography. A single stage fabrication process integrates tip and probe chip body as a single contiguous piece of diamond. The invention’s advantages over currently available methods include:
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Microchannel Assemblies as Artificial Blood-Capillary Beds for Artificial Organs

INVENTION: A thin biocompatible wafer with millions of micron-size channels has been designed to allow for efficient transport in artificial organs. This wafer may be significantly important in artificial lung design. BACKGROUND: A major function of most internal organs (e.g., lungs, kidneys, liv
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Scanning Near-Field Ultrasound Holography (SNFUH) (23061)

The invention is a revolutionary approach which provides non-invasive nanoscale imaging capabilities for deeply buried and embedded structures in physical sciences, engineering systems as well as biological structures under physiologically viable conditions. The invention has operated in near-contac
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Biomarkers for Pancreatic and Biliary Cancers

Abstract (Set) Pancreatic and biliary cancers are two of the most fatal among all human malignancies. Late presentation of the disease and lack of diagnostic markers are the major reasons for a dismal outcome of these cancers. The most widely used diagnostic marker for biliary and pancreatic cancer
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Processing of Optical Coherence Tomography Signals - for both Medical and Non-Medical Applications (22044)

Optical Coherence Tomography (OCT) is the optical analog of ultrasound tomography. In OCT, an optical wave is launched into a tissue sample where it is reflected off of interfaces and where optical energy returns to a detector. These interfaces are located where the speed of light, i.e. the inde
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Rapid Detection of an Anthrax Biomarker by Surface-Enhanced Raman Spectroscopy

INVENTION: Northwestern researchers have created a surface-enhanced Raman biosensor for use in detecting and identifying Bacillus anthracis, a spore-forming bacterium and dangerous pathogen for the disease anthrax. The system promises the potential for detecting other hazardous microorganisms. AD
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Organic Light-Emitting Diodes and Methods for Assembly and Emission Control (99027)

This invention presents a new route to the fabrication of multilayer heterojunction devices useful for large and small, multicolored display applications by means of molecular self-assembly techniques. The technology addresses major coating issues in organic light-emitting diode (OLED) construction
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Catalytic Synthesis of High Energy Density Nanocomposite Dielectric Materials (26136)

process affording homogeneously dispersed ceramic nanoparticles within the matrix of processable, high-strength polymers. The high energy density polymer-metal oxide composites provide effective high energy storage in capacitor and insulator applications. ADVANTAGES: Polymer-metal oxide composit
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Detection of Prostate Cancer Proteins in Serum for Cancer Diagnosis with a Blood Test

Abstract (Set) There is a crucial need of discovering novel biomarkers to improve the specificity of clinical diagnosis for prostate cancer. To achieve this goal, quantitative proteomic profiling is required that can be applied in a high-throughput fashion. With the rapid developments of glycopepti
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High Performance all Transparent Inorganic-Organic Hybrid Thin-Film Transistors (26105)

Transparent and flexible inorganic – organic hybrid n-type thin film transistors (TFTs) with operating properties suitable for “invisible” electronics have been developed at Northwestern. ADVANTAGE: Transparent and flexible TFTs with field effect mobility, drain-source current on/off modulation
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New Silver Containing Cathode for Primary Lithium Batteries for Medical Devices

INVENTION: Northwestern researchers have synthesized a new cathode, Ag4V2O6F2, (SVOF) with significantly higher accessible silver content than current medical battery cathodes employing silver vanadium oxide (SVO). Greater capacity and potential are produced compared to SVO. In addition the chemical
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Targeted Mutagenesis of the Zebrafish Genome Through Manipulation of Helicase Activity

Description (Set) Helicase enzymes are important enzymes functioning in DNA replication, repair, recombination, and RNA transcription. RecQ helicases are a family of helicases that act to suppress homologous recombination at specific junctions. Despite the many advantages of the zebrafish as an exp
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High Performance GaAs MISFETs with Self-Assembled Nanodielectrics (26042)

INVENTION: Novel SAND organic dielectrics suitable for high-performance III-V semiconductor devices such as metal-insulator-semiconductor field effect transistors (MISFETs). ADVANTAGE: New process for manipulating the complex GaAs surface chemistry and thin film organic dielectrics for III-V se
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Transparent Flexible Inorganic-Organic Hybrid Thin-Film Transistors (25093)

Northwestern researchers have created a range of transparent and flexible inorganic – organic hybrid n-type thin film transistors (TFTs) with high mobility and ultrathin high capacitance/low leakage gate dielectrics that exhibit excellent operating properties. ADVANTAGE: Transparent and flexible
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Micro/Nano-Fabricated Glucose Sensors

INVENTION: This invention is a novel glucose sensor that uses the hydrogen-specific gas sensing capability of single walled carbon nanotubes (SWCNT’s) assembled on a microelectrode. The conductivity of SWCNT’s changes due to adsorption of hydrogen that causes the energy band structure of SWCNT’s to
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Intercalated Metal Oxide Superlattice Dielectrics (25092)

A family of intercalated metal oxide self-assembled superlattice dielectrics providing extraordinary insulative and capacitance properties for thin film transistor and organic electronic devices. ADVANTAGE: Dielectric materials that enable low voltage operation of thin film transistors with wide
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Twisted π-Electron System Chromophores with Very Large Molecular Hyperpolarizabilities (25019)

A series of unconventional twisted π-electron system electro-optic (EO) chromophores with ultra-large first hyperpolarizabilities have been created by Northwestern University scientists. These compounds have great potential in optoelectronic and photonic technologies such as high-speed optical commu
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INVENTION: the “BioChip” invention electronically detects biomolecules and toxic agents. When a target species chemically binds to the surface of a tiny cantilever probe, the probe deflects and the Bi

INVENTION: The “BioChip” invention electronically detects biomolecules and toxic agents. When a target species chemically binds to the surface of a tiny cantilever probe, the probe deflects and the BioChip electronically measures and reports that deflection. The BioChip presents the following advant
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FOCUS Focalized Carrier Augmented Sensor (25015

The invention is a novel avalanche-free single photon detector in the short infrared range that is suitable for ultra-sensitive high-density infrared imaging arrays. The pixel element is low voltage and operates at near room temperatures, does not depend on a large power supply/source, and has near
...

Prestin, the Motor Protein of Cochlear Outer Hair Cells, and its Gene, Pres

INVENTION: Researchers at Northwestern University have isolated a novel molecular motor molecule, Prestin, from outer hair cells (OHCs) of the mammalian cochlea. This unique biological motor is capable of direct, rapid, electro-mechanical conversion without dependence on ATP. The ability of this mol
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Nanoscale Self-Assembled Organic Dielectrics for Ultra-Low Voltage High-Speed Electronic Devices (24062)

Self-assembling siloxane fabrication of extremely thin nanostructurally ordered, pinhole-free, ultra-high-capacitance/low leakage organic dielectrics has been achieved by Northwestern University scientists. These organic nanoinsulators can be efficiently integrated into large thin film transistor (T
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Batio3 Thin Film Waveguides and Related Modulator Devices (24060)

A low-voltage, wide bandwidth, strip-loaded BaTiO3 thin film electrooptic amplitude modulator for use in high-speed optical communication networks has been created by Northwestern researchers. Broadband modulation out to 40 GHz has been demonstrated, offering the potential for low power electrooptic
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Individually Addressed Large Scale Patterning of Conducting Polymers by Localized Electric Fields (23097)

A new multiplexed and parallel polymer patterning process, with individual addressability, via electropolymerization within the gap of electrodes has been developed at Northwestern University. The technology permits the scaleable and controlled patterning of conducting polymer structures on the micr
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Low-Voltage Organic Electro-Optic Modulators Using Transparent Conducting Oxides As Electrodes (23080)

A novel organic electro-optic modulator using transparent conducting oxide electrodes has been created by Northwestern University scientists. The modulator functions at significantly lower switching voltages than conventional metallic electrode modulators. Modulation frequencies of 10-20 GHz are pot
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New Hole Transport Layer Materials for Polymer Light Emitting Diodes (23071

Northwestern University researchers invented a new hole transport system for polymer light emitting diodes (PLEDs) with negligible visible light absorption, stability to ITO, solvent resistance and tunable electronic properties. ADVANTAGE: Superior PLED performance and efficiency is observed ver
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Vapor Deposited Electro-Optic Films Self-Assembled Through Hydrogen Bonding (22107/22065)

Northwestern researchers created a new family of designed molecular chromophores that afford acentric films essential to non-linear electro-optic applications. These novel materials exhibit excellent physical and non-linear optical properties for waveguiding modulator applications. Intermolecular hy
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Enhanced Performance of Blue Light Emitting Polymer Diodes via Anode Modification (22103)

Researchers at Northwestern University invented a process that significantly improves Blue polymer light emitting diode (PLED) performance, efficiency, and stability. Blue PLED devices generally require anode coating with a conductive polymer hole transport layer (HTL), which can adversely impact de
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Efficient, Compact Device for All-Optical Processing (22091)

The invention is a series of devices, including an optical parametric oscillator, that are compact and efficient because they exploit phenomenon of a new kind of commercially available microstructure optical fiber. Competing all-optical devices require powerful sources and extremely long lengths
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Organic Light-Emitting Diodes and Methods for Assembly and Enhanced Charge Injection (22012)

The integrity of electrode/organic interfacial contact is crucial to the performance and stability of organic light-emitting diodes (OLEDs). This invention addresses the problem by employing a well defined self-assembly strategy that improves the ITO anode / hole transport layer (HTL) interface morp
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A System to Prevent Power Outages in Optical Transmission Lines (21073)

This breakthrough method provides the only known practical means by which to predict power outage probabilities and bit-error rates in fiber optic lines caused by "polarization mode dispersion (PMD)." Today’s stringent standards permit only very infrequent power outages, so system designers need to
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Commercial-Scale Synthesis of p-type Transparent Conductors (21006

A new process affording a single step route to polycrystalline samples of any delafossite-like (ABO2) material with phase purity has been developed. These materials exhibit luminescence, catalysis, and p-type conducting properties. These materials can be employed as sputtering targets in thin film f
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Refractive Index Tuning of Siloxane-Based Electro-Optic Self-Assembled Superlattices (21001)

A “wet-chemical” process affording molecule-based electro-optic (EO) material refractive index tuning in self-assembled superlattice (SAS) organic structures. The process retains essential microstructural acentricity, without electric field poling. Application potential exists in a wide range of EO
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High Performance Self-Assembled Electro-optic Materials and Modulating Devices (20042)

Electric field poled polymers are currently used to fabricate organic based modulators. The present invention provides a chemical process, employing self-assembly molecules to create the electro active layer in organic based modulators,without electric field poled polymers. This affords greater dev
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Layer-by-Layer Self-Assembly of Large Response Molecular Electro-Optic Materials by a Desilylation Strategy (20010)

A new efficient "one-pot" synthesis of organic self-assembled superlattices having excellent electrooptic response properties. The method provides thermally and photochemically robust thin films that adhere to glass, silicon and ITO coated substrates. The technology is suited for the assembly of ph
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Oxide Thin Films and Composites and Related Methods of Deposition ( 99070/99020)

The synthesis of epitaxial functional oxide thin films on silicon is required for large-scale integration of microelectronic, microwave, and optical devices. This invention provides deposition techniques overcoming limitations of the prior art. Metal organic molecular beam epitaxy (MOMBE) is employe
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Tunable Fiber-Optic Parametric Oscillator ( 98091)

This invention relates to a tunable FOPO which employs a nonlinear-fiber Sagnac interferometer as a parametric amplifier. U. S. Patent No. 6,501,591
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Optimizing Launch Points for Dispersion-Managed Solitons ( 97054)

: Researchers at Northwestern have developed an effective analytic tool for predicting the behavior of dispersion-managed solitons, and a dispersion map design configuration specially optimized for WDM systems. U. S. Patent No. 6,462,849
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Thin Film Electro-Optic Modulator for Broadband Applications ( 97028

This invention addresses thin film, BaTiO3 channel waveguide structures with the potential for traveling-wave electro-optic modulator applications. U.S. Patent No. 6,118,571
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Oriented Niobate Ferroelectric Thin Films for Electrical and Optical Devices ( 94019DIV

Thse films can be used in electronic, electro-optic and frequency doubling components. U. S. Patent No. 6,208,453
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Method of Doping Barium Titanate Ferroelectric Oxide ( 94001A

In this invention, thin film modulators are made with ferroelectric materials that offer higher bandwidth and lower voltage operations compared to lithium niobate and indium phosphide. U. S. Patent No. 6,303,393
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Tactile Pattern Display (26012/27004/27005/27025

While far more advanced than mechanical buttons, switches, and knobs, devices like touch screens and touch pads fail to provide (despite their name) the sense of touch. They have no shape, no texture and no clickiness. They are dead to the finger and as such, must provide information with visual gra
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Programmable Parts Feeder (25111)

The invention is a vibratory device that programmably conveys, sorts, orients, and feeds multiple parts simultaneously, in parallel. To the best of our knowledge, it is the only commercially viable vibratory device that can perform this variety of functions without large numbers of actuators in an a
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Electrical Damping for Haptic Displays (24093/24111

The invention applies electrical damping in order to improve haptic display performance. A challenge of virtual environments is that a haptic system can become unstable near the "virtual walls," where high frequency oscillations result. The invention uses electrical damping to damp over a range of h
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Simulated Environment to Prototype Manufacturing Concepts & to Train Personnel (20023

This invention presents a uniquely simulated environment to prototype manufacturing concepts, to train personnel, to design new systems, and to secure operator feedback concerning prototype design. The invention offers significant advantages when compared to existing systems on the market. The inven
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Nonlinear Muscle-Like-Compliant Controller ( 97068

This controller can provide compliance capability without using force sensors. It also possesses non-linear damping property and adapts to a wide range of loads without having to adjust the gain. U. S. Patent No. 6,243,624
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