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We propose a unique GaN-Al(sub x)Ga(sub 1-x)N heterojunction based CCD for imaging in the ultraviolet (wavelengths less than 365 nm). Our proposed device will be solid state, TTL compatible and in it's final configuration solar blind. The Phase I program is aimed at establishing the technical feasibility of our device concept. Our proposed CCD is in essence a GaN-AlGaN gated photoconductor with ...

This effort will address five problems in the process design of heterojunction bipolar transistors (HBTs) and high electron mobility transistors (HEMTs): (1) HEMT thermal impedances will be measured using a novel method and will be compared with finite-element simulations to provide more accurate values for computer-aided design programs. (2) The role of the spacer layer in HEMT performance and ...

Final course grades in military technical schools are frequently used as the criterion in assessing the validity of a variety of cognitive, perceptual, and psychomotor ability tests. PDRI proposes an innovative approach to criterion development for use by AF researchers. During the proposed Phase I SBIR effort, we plan to begin development of two sets of criterion measures. The first set will b ...

Molecular Beam Epitaxy (MBE) is a key fabrication technology for high performance III-V and other semiconductor devices of importance to many DoD and commercial applications. A variable group III element source flux would provide agile vertical layer composition control required for sophisticated device fabrication. One recent source concept, Linear Motion Oven or LIMO, appears especially promisi ...

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Xinotech has researched and developed a metalanguage-based, multi-lingual, interactive programming and transformation environment, commercially available for Ada, CMS-2, Modula-2 and COBOL, for CMS-2 to Ada translation, and for Ada restructuring and modernization. The language-independent architecture is supported by XML, the Xinotech Meta-Language, and XPAL, the Xinotech Pattern Abstraction Meta ...

ABSTRACT: An ability to reduce the weight of cables has the potential to provide significant cost savings, reduce maintenance and improve reliability of satellites. The costs of developing and producing satellites are linearly proportional with the satellite"s weight, with each kilogram costing around $1 million when delivery-to-space costs are included. With global satellite launches expected to ...

ABSTRACT:Emergence and feasibility for flexible body-worn electronics and particularly medical patches requires high performance electronics capability.The problem is that these new technologies must have flexible and conformal physical formats and conventional electronic components are not in any way flexible. In the CLAS Phase I program, a new flexible high-performance manufacturing and material ...

ABSTRACT: The ability to access high-quality training anywhere and anytime continues to grow in importance due to the complex nature of operational team environments. Training simulations that use virtual agents that respond and behave like live teammates enhance training and help achieve the train as you fight objective without requiring a complete team of human participants. However, the domain ...