| Patent Number |
Title Of Patent |
Date Issued |
| 5457165 |
Encapsulant of amine-cured epoxy resin blends |
October 10, 1995 |
| Encapsulant compositions which provide both dry heat and humid heat stability comprise:(a) a first liquid epoxy resin comprising either:(1) the diglycidyl ether of polyoxypropylene glycol; or(2) the diglycidyl ester of linoleic dimer acid;(b) a second liquid epoxy resin comprising the diglycidyl |
| 5456759 |
Method using megasonic energy in liquefied gases |
October 10, 1995 |
| A process for removing undesired sub-micrometer particulates from a chosen substrate (16) comprising the steps of: (a) placing the substrate containing the undesired particulates in a cleaning chamber (12) provided with megasonic energy-producing means (20); (b) introducing a liquefied |
| 5455693 |
Display hologram |
October 3, 1995 |
| A display hologram structure including a display hologram configured for reconstruction with a playback beam having a predetermined wavefront configuration, and a light configuring hologram that provides playback illumination for the display hologram pursuant to diffraction of an off |
| 5455692 |
Dual image CHMSLS |
October 3, 1995 |
| A hologram structure for use in a holographic center high mounted stoplight system for a vehicle. The hologram structure includes first and second hologram layers laminarly secured to each other, each having a plurality of bright hologram cells and dim hologram cells formed therein, and |
| 5455591 |
Precision high speed perspective transformation from range-azimuth format to elevation-azimuth f |
October 3, 1995 |
| A high speed and high precision coordinate transformation process for transforming image data in range-azimuth coordinates to horizontal-vertical display coordinates. The process is comprised of the following steps. Recursion initialization parameters and values for a perspective tra |
| 5455587 |
Three dimensional imaging millimeter wave tracking and guidance system |
October 3, 1995 |
| An improved imaging system. The inventive imaging system (10) is adapted to transmit a plurality of first radar signals at millimeter wave frequencies at an area including an object along with background clutter. The return signals are processed to provide a three dimensional image for |
| 5455518 |
Test apparatus for integrated circuit die |
October 3, 1995 |
| An integrated circuit testing system for testing small quantities of integrated circuit die. The testing system includes an integrated circuit tester and a base printed wiring board interface that physically and electrically interfaces thereto. A die holder that holds an integrated c |
| 5455458 |
Phase change cooling of semiconductor power modules |
October 3, 1995 |
| Semiconductor wafer (22) and substrate (20) are enclosed in housing (12) on heat extracting base (14) . The space within the housing is filled with a phase change material (28) which absorbs heat at a transitional temperature below the critical temperature of the semiconductor wafer to |
| 5455202 |
Method of making a microelectric device using an alternate substrate |
October 3, 1995 |
| A microelectronic device is fabricated on a first substrate (40), and transferred to a second substrate (58). The first substrate (40) has a silicon etchable layer (42), a silicon dioxide etch-stop layer (44) overlying the etchable layer (42), and a single-crystal wafer (46) overlyin |
| 5455085 |
Double pane microwave window |
October 3, 1995 |
| A window has two plates of radiation-propagative material, such as two plates of glass or two films of transparent dimensionally-stable plastic which serve as window panes through which electromagnetic radiation can propagate. The panes are spaced apart by one quarter wavelength of the |
| 5455061 |
Nondestructive determination of plasma processing treatment characteristics |
October 3, 1995 |
| Plasma processing treatment characteristics of an object are determined nondestructively, prior to plasma processing the object, by placing an indicator layer over at least a portion of the plasma processing surface of the object, so as to generally conform to the shape of the surface. A |
| 5455014 |
Liquid deposition source gas delivery system |
October 3, 1995 |
| A liquid deposition source delivery system (22) includes a reactant source (50) of a liquid chemical reactant, a first heater (54) positioned adjacent to the reactant source (50) , and a vapor collection system (56) in communication with the reactant source (50) to collect vapor evolved |
| 5454902 |
Production of clean, well-ordered CdTe surfaces using laser ablation |
October 3, 1995 |
| Chemically-etched and or sputtered CdTe surfaces are exposed to UV excimer laser radiation at a fluence ranging from about 15 to 75 mJ/cm.sup.2, followed by either a low temperature (<300.degree. C.) thermal anneal or exposure of the CdTe surface to UV excimer laser radiation at a flu |
| 5454064 |
System for correlating object reports utilizing connectionist architecture |
September 26, 1995 |
| A correlation processor (22) for solving large correlation problems involving multi-dimensional data (12, 16, 20). The system correlates vectors in a first set with vectors in a second set. The system includes a plurality of input devices (24) for accepting the entities (16) in the s |
| 5454047 |
Optical method and system for generating expansion coefficients for an image processing function |
September 26, 1995 |
| A system for optically generating expansion coefficients for an image processing function. The invention (10) includes a first optical element (18) for providing a transform of an image provided at a first image plane (16). A second optical arrangement (20) provides a product of the |
| 5453781 |
Apparatus and method for minimizing velocity-mismatch MTF degradation in TDI systems |
September 26, 1995 |
| Disclosed are methods and apparatus that minimize the degradation of the Modulation Transfer Function (MTF) which results from a mismatch between the velocity of an optical image (V.sub.TDI) and that of a corresponding charge image (V.sub.OPTICAL) formed in a TDI radiation detector array |
| 5453750 |
Coaxial microstrip-to-microstrip interconnection system |
September 26, 1995 |
| A multistage transmission line interconnect device (50) for joining two microstrip circuits (82, 86). A center conductor pin (52) extends through a cylindrical dielectric (54) to form a coaxial midsection of the device. The ends of the pin extend from the dielectric to form a conductor f |
| 5452953 |
Film thickness measurement of structures containing a scattering surface |
September 26, 1995 |
| Systems for making thickness measurements in a thin film structure using an incoherently or coherently coupled structured surface. A system is used to measure the thickness of a thin film layer of a thin film structure in which polished and structured surfaces are coherently coupled toge |
| 5452869 |
On-board three-axes attitude determination and control system |
September 26, 1995 |
| A method and system (12) for controlling the attitude of a spacecraft during its transfer orbit using an on-board, stand-alone, three-axes attitude determination and control system. The system utilizes a set of on-board sensors to define two independent angular measurements, which wi |
| 5452855 |
High volume/low pressure spray gun |
September 26, 1995 |
| An improved high volume/low pressure spray gun for spraying liquids such as paint. The spray gun includes a nozzle for mixing a liquid, such as paint in a solvent carrier, with a higher-than-atmospheric pressure gas, such as compressed air, and projecting the mixture towards the surface |
| 5452840 |
Water-soluble soldering flux |
September 26, 1995 |
| A non-toxic, non-corrosive liquid soldering flux consists essentially of a solution of citric acid in water. This unique flux produces solder joints of high metallic luster and excellent quality. Disposal presents no health hazards, and clean-up of flux residues is accomplished using onl |
| 5452753 |
Vehicle tire management system including wheel with self-contained tire inflation/deflation appa |
September 26, 1995 |
| A high pressure air reservoir, a pump unit and an air pressure sensor are provided on each wheel of a motor vehicle. The sensor senses the air pressure in a tire which is mounted on the respective wheel. The pump unit is controllable to selectively pump air from the tire into the reservo |
| 5452323 |
Simple asynchronous data synchronizer to a faster clock |
September 19, 1995 |
| A data synchronizer (10) for synchronizing data generated by a data source (16) at a first rate includes a first timer (22) for generating a first timing signal at the first rate. A first register (20) connected to the first timer (22) has an input connected to the data source (16). The |
| 5452313 |
Optical feedback eliminator |
September 19, 1995 |
| Deleterious feedback reflections from a power amplifier into a laser master oscillator are eliminated by interposing a nonreciprocal frequency shifter between the oscillator and amplifier, which shifts the laser frequency by more than twice the bandwidth of the laser oscillator resonant |
| 5452224 |
Method of computing multi-conductor parasitic capacitances for VLSI circuits |
September 19, 1995 |
| A method of computing parasitic capacitances between multiple electrical conductors within an electric circuit computes a division of the circuit's physical layout into a plurality of windows. The parasitic capacitances associated with the conductors of each window are computed, and the |
| 5452142 |
Approach for positioning, fabricating, aligning and testing grazing, convex, hyperbolic mirrors |
September 19, 1995 |
| A convex, hyperbolic mirror (70) has a concave depression (72) made in a truncated apex end of the mirror. Such a depression may be used for aligning the mirror with respect to a Hindle sphere (74) or a primary mirror (86) in an optical system. An additional depression may be placed |
| 5452077 |
Transient-free method of determining satellite attitude |
September 19, 1995 |
| A method of spacecraft attitude determination is proposed which calculates the bias between the usual two-cell and four-cell earth sensor measurements. During period of sun or moon interference, when the two-cell mode is selected, this bias is added to or subtracted from the two-cell |
| 5451552 |
Method for improvement of optical quality and reduction of background doping in gainSB/INAS supe |
September 19, 1995 |
| Post-growth annealing of GaInSb/InAs superlattices at about 400.degree. to 650.degree. C. in an antimony flux followed by cooling results in enhanced optical properties as determined by photoluminescence and in reduced background doping levels as determined by Hall measurements. Accordin |
| 5450727 |
Thermoelectric cooler controller, thermal reference source and detector |
September 19, 1995 |
| A thermoelectric cooler controller, a thermal reference source employing the controller, a thermal reference source, and a thermal calibration system. The controller controls the temperature of a thermoelectric cooler. The controller includes a temperature sensor coupled to the therm |
| 5450219 |
Raster following telecentric illumination scanning system for enhancing light throughout in ligh |
September 12, 1995 |
| Optical apparatus that condenses illuminating light into a narrow formatted band of light that follows activated lines down a light valve as it is driven. The present invention is a telecentric illumination scanning system that comprises an input lens group, a rotatable or oscillating |
| 5450089 |
Monopulse thresholding |
September 12, 1995 |
| A monopulse thresholding processor and method for improving resolution by using the difference channel data to eliminate "excess" sum channel returns. The processor may be used with a radar system that comprises an antenna, a transminer, a receiver for processing transmitted radar signal |
| 5449574 |
Electical device having alternating layers of fibrous electrodes |
September 12, 1995 |
| An electrical device such as a battery (20) or capacitor is formed as alternating facing layers of an array of fibrous electrodes. The fibrous electrodes (24) of one set of layers are connected at one end (36) of the array, and the fibrous electrodes (30) of the alternating set of layers |
| 5448936 |
Destruction of underwater objects |
September 12, 1995 |
| An apparatus for destroying a target underwater object includes a targeting system and a gun system. The targeting system has a laser which produces a laser beam, a laser ranging sensor sensitive to reflections of the laser beam from an underwater object, and electronic circuitry that de |
| 5448915 |
Method for improving the accuracy of ultrasonic thickness measurements by calibrating for surfac |
September 12, 1995 |
| The invention provides a method for measuring thickness of sample of material having a surface finish in a time of flight system using an ultrasonic thickness gauge, comprising the steps of: defining the time of flight system as a function of t'=h'.div.Va' +C(f) where t' is the time of |
| 5448662 |
Apparatus for coupling an optical fiber to a structure at a desired angle |
September 5, 1995 |
| Optical metrology apparatus, specifically a laser probe (1), includes a frame (10) comprised of a material selected to have a predetermined coefficient of thermal expansion. A beamsplitter (36) is coupled to the frame for generating a sample beam optical path (D) and a reference beam |
| 5448616 |
Integrated bit error rate test function in analog channel unit of digital cellular network |
September 5, 1995 |
| An internal bit error rate (BER) test capability is built into the analog channel unit of a digital cellular base station. This test capability is controlled by the mobile telephone switching office (MTSO) to automatically perform BER measurements. The analog channel unit with this i |
| 5448241 |
Terrain height radar |
September 5, 1995 |
| A terrain height radar system and processing method comprising a high resolution synthetic aperture radar (SAR) mounted on an air vehicle and a SAR signal processor containing a signal processing algorithm or method for computing terrain height and radar backscatter power. The system |
| 5448108 |
Cooling of semiconductor power modules by flushing with dielectric liquid |
September 5, 1995 |
| Semiconductor dies (30-40) are mounted on a printed wiring board (28) to be vertically oriented. They are enclosed in a housing (12) which is supplied with an upwardly flowing dielectric liquid coolant. Nozzles (18,20) direct the dielectric liquid coolant to flow upward over the dies and |
| 5446530 |
Amplitude modulated corrected frequency modulated laser |
August 29, 1995 |
| A system is provided that corrects the undesirable fast power modulation observed at an output of a wideband frequency modulated (FM) laser. The correction is accomplished by applying a corrective voltage to an amplitude modulated (AM) modulator. The response of the laser is first me |
| 5446279 |
Fiber optic sensor sensing curvature of a diaphragm |
August 29, 1995 |
| A first surface of a diaphragm is exposed to high temperature gas in the combustion chamber of an internal combustion engine. The curvature of the diaphragm changes in response to the gas pressure. Three optical fibers are spaced along a radius of the diaphragm and have ends which face a |
| 5445889 |
Low-temperature curing resin system |
August 29, 1995 |
| A resin system includes 100 parts by weight of an epoxy resin, from about 1/2 to about 10 parts by weight of an imidazole curing agent, and, optionally, an elastomeric material such as a rubber. The resin system without the elastomer is particularly useful as the matrix of a composite |
| 5445347 |
Automated wireless preventive maintenance monitoring system for magnetic levitation (MAGLEV) tra |
August 29, 1995 |
| A status monitor and diagnostic unit (SMDU) (12) is provided in every car (14,16) of a magnetic levitation (MAGLEV) train (18) or other vehicle, and includes sensors (38,40,42,44,48,52) for monitoring the operational status or condition of the car (14,16). Network status interface units |
| 5445311 |
Electrical interconnection substrate with both wire bond and solder contacts, and fabrication me |
August 29, 1995 |
| An electrical interconnection substrate (20) is prepared to receive both wire bonded and soldered connections (60,64,66) by forming a dielectric solder mask (30) over the substrate (20), with openings (36) in the mask (30) to expose the contact pads (22) for which soldered connections ar |
| 5444577 |
Impurity band optical filter |
August 22, 1995 |
| An optical filter for an infrared detector is provided by creating an impurity band in a semiconductor substrate onto which the infrared detector is epitaxially grown. The impurity band provides a range of absorption and a long wavelength pass band characteristic. The range of absorp |
| 5444564 |
Optoelectronic controlled RF matching circuit |
August 22, 1995 |
| A photonic RF impedance matching system that includes an RF photonically controlled impedance matching circuit having adjustable impedance and power transfer characteristics, and feedback control circuitry for optically controlling the impedance matching circuit. |
| 5444250 |
Optical warm stop with fresnel type reflective surface |
August 22, 1995 |
| An infrared imaging system (10) has a detector assembly (12) positioned for viewing infrared radiation from a subject (20), and a housing (18) enclosing the detector assembly for maintaining the detector assembly at a temperature lower than a temperature of an environment outside the |
| 5444235 |
Scanning light valve sensor system employing fiber optics |
August 22, 1995 |
| A sensor system includes a sensor having a planar array of sensor elements, each of which produces an output responsive to an energy input. The sensed energy reaching the sensor elements is controlled by at least two, and preferably a plurality of, light valves. A controller selects one |
| 5443746 |
Ferroelectric aerogel composites for voltage-variable dielectric tuning, and method for making t |
August 22, 1995 |
| Ferroelectric composites are prepared by sol-gel derived procedures. The present invention utilizes the sol-gel process (1) to form a gel in a mold of the desired size and shape, (2) to dry the gel using a supercritical fluid extraction, (3) to sinter the dried gel to a crystalline ceram |
| 5443231 |
Method and apparatus for a satellite station keeping |
August 22, 1995 |
| A method and apparatus for satellite station keeping is disclosed in which four thrusters are mounted on the anti-nadir face of the satellite with their direction of thrust passing through the center of mass of the satellite. The thrust lines of the north pair (20, 22) of thrusters and |
| 5443227 |
Switching control for multiple fiber-guided missile systems |
August 22, 1995 |
| A fast and reliable switch (50) for multi-channel, bi-directional fiber optics data link (FODL) systems. The FODL channel switching is accomplished through a software command on the subcarrier frequency (SCF) code without using any moving components or wavelength sensitive optical de |
