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MCNC PROPOSES A FEASIBILITY STUDY AND EVALUATION OF THREE PROMISING APPROACHES TO THE FABRICATION OF SURFACE TEST STRUCTURES ON SILICON. SURFACE FEATURES ON THE FIRST STRUCTURE WILL BE PRODUCED BY CONTROLLABLY ETCHING THERMALLYGROWN OXIDES. FEATURES ON THE SECOND WILL BE MADE BY ETCHING PIEZOELECTRIC THIN FILMS. USING THE PIEZOELECTRIC FILM AS PART OF A CAPACITOR, STEP-HEIGHT CAN BE VARIED AND PRO ...

THE OBJECTIVE IS TO DESIGN AND FABRICATE A PROOF-OF-CONCEPT MODEL OF A NOVEL SIX DEGREES-OF-FREEDOM TRACKING DEVICE FOR MEASURING THE POSITION AND ORIENTATION OF A HEAD OR HAND IN AN AUGMENTED REALITY ENVIRONMENT. THE FEASIBILITY MODEL TO BE BUILT IN PHASE I WILL DEMONSTRATE GREATLY REDUCED SENSITIVITY TO NEARBY METAL OBJECTS, LESS SENSITIVITY TO ENVIRONMENTAL NOISE, A HIGHER MEASUREMENT RATE, LES ...

A TECHNIQUE FOR OBTAINING TRUSTWORTHY COMPILATION BASED ON A COMPILATION CHECKER (SIMILAR TO A PROOF CHECKER) IS PROPOSED. THE TRANSFORMATIONS USED IN A COMPILER WILL BE FORMALLY SPECIFIED AND VERIFIED USING INTERPRETER EQUIVALENCE METHODS. THE COMPILER WILL BE INSTRUMENTED TO PRODUCE A TRACE OF THE TRANSFORMATIONS APPLIED IN THE COMPILATION OF A GIVEN PROGRAM. THE COMPILATION CHECKER WILL VALIDAT ...

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BY COUPLING AN ELECTRON TRANSPARENT THIN FILM WINDOW TO AN ELECTRON GUN IT IS NOW POSSIBLE TO MAKE FREE STANDING ELECTRON SOURCES (BULBS) THAT OPERATE AT MODEST VOLTAGES (

COMPACT SOFTWARE PROPOSES TO DEVELOP PHYSICS-BASED MESFET, HEMT AND HBT MODELS AND THEN INTEGRATE THEM INTO OUR COMMERCIAL MICROWAVE NONLINEAR CIRCUIT SIMULATOR, "MICROWAVE HARMONICA." EXISTING EXTRACTION BASED MODELS SUCH AS THE MODIFIED MATERKA AND CURTICE MODELS ARE BASED ON MICROWAVE MEASUREMENT INFORMATION. THE USE OF PHYSICS OR PROCESS-BASED MODELS COMPLETES THE ANALYSIS CHAIN BY LINKINGPROC ...

FIBER-OPTIC MAGNETIC FIELD SENSORS REQUIRE BULK CRYSTAL SENSOR ELEMENTS WITH HIGHER SENSITIVITY AND BETTER THERMAL STABILITY THAN PRESENTLY AVAILABLE. RARE-EARTH IRON GARNET SINGLE CRYSTALS HAVE GREAT POTENTIAL FOR IMPROVING THESE CHARACTERISTICS. HOWEVER, THERE ARE A VAST NUMBER OF REIG COMPOSITIONS POSSIBLE. ALTHOUGH SOME COMPOSITIONS ARE BEINGREPORTED ON, PARTICULARLY BY FOREIGN SCIENTISTS, THE ...

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THE EPITAXIAL GROWTH OF HIGH QUALITY WIDE BANDGAP II-VI HETEROSTRUCTURES WILL BE INVESTIGATED. THE RECENT DEMONSTRATION OF BLUE LASERS IN ZNSE BASED MATERIALS HAS REINVIGORATED INTEREST IN THE II-VI WIDE BANDGAP MATERIALS AS LIGHT EMITTERS. IT IS ENVISIONED THAT THESE MATERIALS WILL RAPIDLY REPLACE THE MUCH LESS EFFICIENT SIC BASED BLUE LEDS. WE PRESENTLY HAVE A FUNDED MATERIALS EFFORT IN ZNSE BAS ...

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