Abstract:This Small Business Innovation Research Phase I project will develop refractive x-ray lenses for medical, industrial, scientific, and directed-energy applications. Previously, ordinary optical refractive lenses were assumed to not work at x-ray wavelengths because refractive effects were very small.… more
Abstract:Cured aircraft composite materials present a particularly difficult challenge for recycling technology. Those materials have mostly thermosetting epoxy matrices and occur in intimate association with metals, paints, and coatings. Current techniques for recycling thermoset composites, mostly for… more
Abstract:The opportunity addressed in this proposal is a fast-acting cryogenic injection valve for pulse detonation rocket engines (PDREs), which are predicted to significantly out-perform current state-of-the-art chemical deflagrative rocket propulsion systems. The developed valve would allow high mass… more
Pulse Detonation Combustors (PDCs) for Coal Combustion-Based Power Systems, Inc.--Adroit Systems, Inc., 411-108th Avenue, N.E., Suite 1080, Bellevue, WA 98004-5515;
Dr. Thomas R. A. Bussing, Principal Investigator
Mr. Russell Scholl, Business Official
DOE Grant No.… more
Abstract:The CDL Standard and associated channelization structure was established over 20 years ago and are not optimized for current networking technologies. As networking technologies are integrated into CDL and new sensors are deployed, the demand for CDL bandwidth is increasing. Specifically, the… more
Abstract:Adroit Systems Inc. (ASI), in association with Klein Associates Inc., proposes to develop an Intelligent Computer Aided Instruction (ICAI) training system for information operations personnel to maximize mission effectiveness and achieve Information Superiority. Training objectives will focus on… more
Abstract:Although technologies derived under the Integrated High Performance Turbine Engine Technology (IHPTET) initiative should result in higher performance of gas turbine engines, the durability of engine components continues to be one of the most important design issues which impacts their affordability… more
Abstract:Space structures and high-speed interceptor technology can be significantly enhanced if lighter weight composite structural materials that possess inherently high-strength damage-resistant properties can be developed on a cost-effective basis. A novel laminated sandwich composite concept is proposed… more
Abstract:This Phase I effort is to synthesize and develop material processing systems that possess the mechanical properties, and processing characteristic for use in flexible electronic and photonic devices. We will demonstrate the feasibility of fabricating in this effort to optimize the modulator/switch… more
Abstract:The stress analysis and fatigue life prediction of the bonded repaired damaged zone of the aircraft structure is a challenging problem for designers. The lack of accurate life prediction methodologies limit the utilization of composite materials to repair the damaged structure. It is proposed to… more
Abstract:A novel coating technology is proposed for increased wear and improved li fe and reliability of commutator bars in electrical sliding devices found in manned and unmanned underwater vehlilles. Diamond-Like Nanocomposite (DLN) coatings represent a famil Of thiWrfilms that bxhibit unique combinations… more
Abstract:The need for compact solid state ultraviolet light sources includes clinical light sources for a variety of surgeries, analytical instrumentation sources and communications systems based on shorter wavelengths that will be able to handle higher information densities. Such advanced optoelectric… more
Abstract:Integration of many different devices on a single silicon carbide (SiC) substrate is necessary to realize the full potential of high temperature or high power devices for markets ranging from industrial and consumer to military systems to transportation power and control. Integration … more
High Brightness LEDs based on the (Al, Ga,In)N Materials System--Advanced Technology Materials, Inc., 7 Commerce Drive, Danbury, CT 06810-4131;
Dr. Karim Boutros, Principal Investigator
Dr. Duncan W. Brown, Business Official
DOE Grant No. DE-FG02-97ER82319
Based on a… more
Abstract:The III-V nitrides, (Al, In, Ga)N, are promising materials for high temperature, high power and high frequency devices due to the wide bandgaps, high electron saturation velocity and high electronic mobility transistor (HEMT) structures available in this alloy system. These devices would find… more
Abstract:Commercially viable silicon carbide device manufacturing processes depend on an ability to grow'low defect density epitaxial layers. Low defect density epitaxial layers start with pristine SiC substrate surfaces. Epi-ready pristine SiC surfaces are not commercially available. The results of… more
Abstract:Next generation power electronic systems for military aircraft will require capacitors with reliable performance at temperatures from -55 up to 300 degrees C and beyond for filters, power converters and other control circuitry. Thin film integrated passive devices with lower dissipation and… more
Abstract:Silicon carbide (SiC) is an ideal semiconductor material for high temperature, high frequency, and high power electronic devices. A SiC technology analogous to silicon - on -insulator (SOI) will be feasible if a suitable dopant precursor and epitaxial growth technique to produce semi-insulating SiC… more
Abstract:Metal-ferroelectric-semiconductor field effect transistors (MFS-FETs) have a can be used as nonvolatile memory devices. The primary ferroelectric materials for these devices are perovskite oxides such as lead zirconium titanate (PZT) and strontium bismuth tantalate (SBT). These materials contain… more
Abstract:A major objective of the proposed work is to generate a preliminary design for a PCMCIA-based vibration data collection system that provides better portability, a higher level of standardization and greater cost-effectiveness than is currently The feasibility of a PCMCIA carbased vibration data… more
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