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| Number | Title | Issue Date |
| 5301612 | Carbon-assisted flyer plates A laser driven flyer plate utilizing an optical fiber connected to a laser. The end of the optical fiber has a layer of carbon and a metal layer deposited onto it. The carbon layer provides the laser induced plasma which is superior to the plasma produced... | 04/12/1994 |
| 5284628 | Convection towers Convection towers which are capable of cleaning the pollution from large quantities of air and of generating electricity utilize the evaporation of water sprayed into the towers to create strong airflows and to remove pollution from the air. Turbines in t... | 02/08/1994 |
| 5281824 | Radon detection A detector for atmospheric radon using a long range alpha detector as its sensing element. An electrostatic filter removes ions from ambient air, while allowing radon atoms to pass into a decay cavity. Here, radon atoms are allowed to decay, creating air ... | 01/25/1994 |
| 5273359 | Remote high-temperature insulatorless heat-flux gauge A remote optical heat-flux gauge for use in extremely high temperature environments is described. This application is possible because of the use of thermographic phosphors as the sensing media, and the omission of the need for an intervening layer of ins... | 12/28/1993 |
| 5238913 | Superconducting microcircuitry by the microlithgraphic patterning of superconducting compounds and related materials Superconducting microcircuits including a thin layer of Ba2 Cu3 O5+x (0 | 08/24/1993 |
| 5229542 | Selectable fragmentation warhead A selectable fragmentation warhead capable of producing a predetermined number of fragments from a metal plate, and accelerating the fragments toward a target. A first explosive located adjacent to the plate is detonated at selected number of points by la... | 07/20/1993 |
| 5212339 | Explosive laser light initiation of propellants A improved initiator for artillery shell using an explosively generated laser light to uniformly initiate the propellent. A small quantity of a high explosive, when detonated, creates a high pressure and temperature, causing the surrounding noble gas to f... | 05/18/1993 |
| 5184019 | Long range alpha particle detector An alpha particle detector capable of detecting alpha radiation from distant sources. In one embodiment, a high voltage is generated in a first electrically conductive mesh while a fan draws air containing air molecules ionized by alpha particles through ... | 02/02/1993 |
| 5175506 | Voltage regulation in linear induction accelerators Improvement in voltage regulation in a Linear Induction Accelerator wherein a varistor, such as a metal oxide varistor, is placed in parallel with the beam accelerating cavity and the magnetic core. The non-linear properties of the varistor result in a mo... | 12/29/1992 |
| 5147711 | Vacuum barrier for excimer lasers A barrier for separating the vacuum area of a diode from the pressurized gas area of an excimer laser. The barrier is a composite material comprising layers of a metal such as copper, along with layers of polyimide, and a matrix of graphite fiber yarns im... | 09/15/1992 |
| 5127039 | Sample holder for X-ray diffractometry A sample holder for use with X-ray diffractometers with the capability to rotate the sample, as well as to adjust the position of the sample in the x, y, and z directions. Adjustment in the x direction is accomplished through loosening set screws, moving ... | 06/30/1992 |
| 5121037 | Circular zig-zag scan video format A circular, ziz-zag scan for use with vidicon tubes. A sine wave is generated, rectified and its fourth root extracted. The fourth root, and its inverse, are used to generate horizontal ramp and sync signals. The fourth root is also used to generate a ver... | 06/09/1992 |
| 5103701 | Diamond tool machining of materials which react with diamond Apparatus for the diamond machining of materials which detrimentally react with diamond cutting tools in which the cutting tool and the workpiece are chilled to very low temperatures. This chilling halts or retards the chemical reaction between the workpi... | 04/14/1992 |
| 5052011 | Explosively pumped laser light A single shot laser pumped by detonation of an explosive in a shell casing. The shock wave from detonation of the explosive causes a rare gas to luminesce. The high intensity light from the gas enters a lasing medium, which thereafter outputs a pulse of l... | 09/24/1991 |
| 5046423 | Laser-driven flyer plate Apparatus for producing high velocity flyer plates involving placing a layer of dielectric material between a first metal foil and a second metal foil. With laser irradiation through an optical substrate, the first metal foil forms a plasma in the area of... | 09/10/1991 |
| 5044765 | Optical heat flux gauge A heat flux gauge comprising first and second thermographic phosphor layers separated by a layer of a thermal insulator. The gauge may be mounted on a surface with the first thermographic phosphor in contact with the surface. A light source is directed at... | 09/03/1991 |
| 5029528 | Fiber optic mounted laser driven flyer plates A laser driven flyer plate where the flyer plate is deposited directly onto the squared end of an optical fiber. The plasma generated by a laser pulse drives the flyer plate toward a target. In another embodiment, a first metal layer is deposited onto the... | 07/09/1991 |
| 5026170 | Optical heat flux gauge A heat flux gauge comprising first and second thermographic phosphor layers separated by a layer of a thermal insulator wherein each thermographic layer comprises a plurality of respective thermographic phosphors. The gauge may be mounted on a surface wit... | 06/25/1991 |
| 5015433 | Neutron activated switch A switch for reacting quickly to a neutron emission. A rod consisting of fissionable material is located inside a vacuum tight body. An adjustable contact is located coaxially at an adjustable distance from one end of the rod. Electrical leads are connect... | 05/14/1991 |
| 5008622 | Superconductive imaging surface magnetometer An improved pick-up coil system for use with Superconducting Quantum Interference Device gradiometers and magnetometers involving the use of superconducting plates near conventional pick-up coil arrangements to provide imaging of nearby dipole sources and... | 04/16/1991 |
| 5005984 | Optical heat flux gauge A heat flux gauge comprising first and second thermographic phosphor layers separated by a layer of a thermal insulator, wherein each thermographic layer comprises a plurality of respective thermographic sensors in a juxtaposed relationship with respect t... | 04/09/1991 |
| 5001337 | Fiber optic geophysical sensors A fiber optic geophysical sensor in which laser light is passed through a sensor interferometer in contact with a geophysical event, and a reference interferometer not in contact with the geophysical event but in the same general environment as the sensor... | 03/19/1991 |
| 4969802 | Vibratory pumping of a free fluid stream A vibratory fluid pump having a force generator for generating asymmetric periodic waves or oscillations connected to one end of one or more fluid conveyance means, such as filaments. The opposite ends of the filaments are connected to springs. Fluid intr... | 11/13/1990 |
| 4963289 | Method for producing monodisperse aerosols An aerosol generator is described which is capable of producing a monodisperse aerosol within narrow limits utilizing an aqueous solution capable of providing a high population of seed nuclei and an organic solution having a low vapor pressure. The two so... | 10/16/1990 |
| 4945810 | Railgun restrike control An electromagnetic railgun having electrically conductive segments overlying but insulated from the rails. Switches are connected between each segment and its underlying rail. As a projectile and its plasma armature pass each segment, the switch associate... | 08/07/1990 |
| 4917830 | Monodisperse aerosol generator An aerosol generator is described which is capable of producing a monodisperse aerosol within narrow limits utilizing an aqueous solution capable of providing a high population of seed nuclei and an organic solution having a low vapor pressure. The two so... | 04/17/1990 |
| 4912355 | Superlattice strain gage A strain gage comprising a strained-layer superlattice crystal exhibiting piezoelectric properties is described. A substrate upon which such a strained-layer superlattice crystal has been deposited is attached to an element to be monitored for strain. A l... | 03/27/1990 |
| 4907881 | Precision alignment device Apparatus for providing automatic alignment of beam devices having an associated structure for directing, collimating, focusing, reflecting, or otherwise modifying the main beam. A reference laser is attached to the structure enclosing the main beam produ... | 03/13/1990 |
| 4897556 | High voltage pulse conditioning Apparatus for conditioning high voltage pulses from particle accelerators in order to shorten the rise times of the pulses. Flashover switches in the cathode stalk of the transmission line hold off conduction for a determinable period of time, reflecting ... | 01/30/1990 |
| 4896109 | Photoconductive circuit element reflectometer A photoconductive reflectometer for characterizing semiconductor devices at millimeter wavelength frequencies where a first photoconductive circuit element (PCE) is biased by a direct current voltage source and produces short electrical pulses when excite... | 01/23/1990 |
| 4886993 | Spark gap switch with spiral gas flow A spark gap switch having a contaminate removal system using an injected gas. An annular plate concentric with an electrode of the switch defines flow paths for the injected gas which form a strong spiral flow of the gas in the housing which is effective ... | 12/12/1989 |
