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DARPA HAS IDENTIFIED A NEED FOR NEW AND IMPROVED TECHNIQUES FOR COATING CERAMIC FIBERS FOR SUBSEQUENT INCORPORATION INTO METALLIC, CERAMIC OR HYBRID MATRICES. AMERICAN MATRIX, INC.'S PHASE I PROGRAM ADDRESSES THE SIGNIFICANT PERFORMANCE ATTRIBUTES (DEFINED BY DARPA AS INTERFACE CHEMICAL REACTION INHIBITION, INTERFACE BOND DEVELOPMENT,AND TAILORED PROPERTIES) WITH A MULTI-FACETED COATING PROGRAM. S ...

THE DEPARTMENT OF DEFENSE HAS A REQUIREMENT FOR NON-CONTACT PROXIMITY FUZING WHICH IS IMMUNE TO COUNTERMEASURES AND ELECTROMAGNETIC INTERFERENCE (EMI/EMP). DIGITAL SIGNAL CORPORATION (DCS) HAS DEVELOPED AND DEMONSTRATED SUCH A FUZE WITH A UNIQUE DESIGN BASED ON A COHERENT SEMICONDUCTOR LASER. THE DEVICE USES OPTICS AND LASERDOPPLER INFORMATION TO PRECISELY DETERMINE THE RELATIVE VELOCITY AND DISTA ...

OVER THE PAST TWO YEARS, WE HAVE GROWN HIGH QUALITY CVD DIAMOND CRYSTALLITES AS CONFIRMED BY RAMAN SPECTROSCOPY, X-RAY DIFFRACTION, AND SCANNING ELECTRON MICROSCOPY ON A VARIETY OF SUBSTRATES INCLUDING SILICON USING A LOW TEMPERATURE (

RGI, THROUGH ITS ARRANGEMENTS WITH SCIENCE APPLICATIONS INTERNATIONAL CORPORATION, PROPOSES TO DEMONSTRATE THROUGH ANALYSIS THE FEASIBILITY OF USING MODIFIED VERSIONS OF THE OMAR (OPTICAL MICROWAVE APPROACH AND RANGING) SYSTEM TO ENHANCE THE RELIABILITY OF RPVS. OMAR, CURRENTLY UNDER DEVELOPMENT AS A PRECISION, LOW VISIBILITY LANDING SYSTEM FOR AIRCRAFT (WITH EMPHASIS ON HELICOPTERS), LENDS ITSELF ...

IT IS PROPOSED HERE TO DEVELOP A METHOD FOR PREDICTION OF TRANSITION ON NASP (NATIONAL AERO-SPACE PLANE) CONFIGURATION AND FOR THE CONTROL/ENHANCEMENT OF SUPERSONIC COMBUSTION IN THE SCRAMJET. THE METHOD IS BASED UPON LINEAR STABILITY ANALYSIS WITH NONEEQUILIBRIUM EFFECTS WHICH TYPIFY THE BOUNDARY LAYERS ON NASP AIRFRAME AND THE MIXING LAYER IN THE SCRAMJET. THESE THREE-DIMENSIONAL VISCOUS LAYERS, ...

RAMAN SPECTROSCOPY IS AN EXCELLENT MEANS FOR NON-CONTACT PROBING OF QUALITY AND TEMPERATURE OF MANY MATERIALS (III-V SEMICONDUCTORS, DIAMONDS, ETC.) WHICH ARE GROWN IN CHEMICAL VAPOR DEPOSITION (CVD) REACTORS. IT CAN MEASURE COMPOSITION, TEMPERATURE, STRAIN, DEGREE OF CRYSTALLINITY, AND PRESENCE OF CONTAMINATION EX-SITU. AS AN OPTICAL PROBE IT CAN READILY PENETRATE THE HIGH PRESSURE GASES WHILE A ...

THE GOAL OF THIS PROJECT IS TO DEVELOP TECHNIQUES FOR PROTECTING GALLIUM ARSENIDE MONOLITHIC MICROWAVE INTEGRATED CIRCUITS FROM DAMAGE DUE TO THE RECEPTION OF ELECTROMAGNETIC PULSES ON THEINPUT SIGNAL LINES. PROTECTION DEVICES ARE TO BE BUILT ON TO THE MONOLITHIC CHIPS CONTAINING FRAGILE RECEIVER CIRCUITS. THE RESULTS OF DAMAGE MECHANISM STUDIES ON UNPROTECTED CIRCUITS WILL BE APPLIED TO THE DESIG ...

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THIS PROPOSAL IS PREPARED IN DIRECT RESPONSE TO THE NRC'S SOLICITATION FOR AN IMPROVED DEVICE TO MEASURE AIR MOVEMENT FOR PERSONNEL RADIATION PROTECTION AND HEALTH PHYSICS APPLICATIONS IN NUCLEAR FACILITIES. THE PURPOSE OF THE NEW DEVICE IS TO PROPERLY LOCATE AIR SAMPLERS SO THAT THE AIR SAMPLED IS REPRESENTATIVE OF THE AIR INHALED BY WORKERS. ALTHOUGH AIR FLOW RATE SENSORS SUCH AS ANEMOMETERS ARE ...