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| Number | Title | Issue Date |
| 6127774 | Field emission display devices Cathodoluminescent field emission display devices feature phosphor biasing, amplification material layers for secondary electron emissions, oxide secondary emission enhancement layers, and ion barrier layers of silicon nitride, to provide high-efficiency,... | 10/03/2000 |
| 6087766 | Field emission display devices Cathodoluminescent field emission display devices feature phosphor biasing, amplification material layers for secondary electron emissions, oxide secondary emission enhancement layers, and ion barrier layers of silicon nitride, to provide high-efficiency,... | 07/11/2000 |
| 6084345 | Field emission display devices Cathodoluminescent field emission display devices feature phosphor biasing, amplification material layers for secondary electron emissions, oxide secondary emission enhancement layers, and ion barrier layers of silicon nitride, to provide high-efficiency,... | 07/04/2000 |
| 6013980 | Electrically tunable low secondary electron emission diamond-like coatings and process for depositing coatings A diamond-like carbon-containing material useful as a coating for electronic devices including field emission devices and color television tubes, the coatings having both low secondary electron emission coefficients of less than unity and electrical resis... | 01/11/2000 |
| 5982082 | Field emission display devices Cathodoluminescent field emission display devices feature phosphor biasing, amplification material layers for secondary electron emissions, oxide secondary emission enhancement layers, and ion barrier layers of silicon nitride, to provide high-efficiency,... | 11/09/1999 |
| 5059854 | Image intensifier tube comprising a chromium-oxide coating In an image intensifier tube comprising a photosensitive layer an insulating wall portion is coated with a layer of chromium oxide which is deposited in the form of a chromium nitrate layer which is subsequently baked at a temperature of approximately 525... | 10/22/1991 |
| 5012152 | Image intensifier tube comprising coated electrodes Metal parts of an image intensifier tube which are exposed to a high voltage are coated with a layer of aluminum phosphate glass in order to preclude local discharge phenomena; the aluminum phosphate glass can be deposited in a thin, uniform layer already... | 04/30/1991 |
| 4950940 | Cathode ray tube with means for preventing backscatter from electron multiplier In order to reduce contrast degradation in an electrostatically scanned flat cathode ray tube having a channel plate electron multiplier, due to back-scattered electrons entering channels remote from their origin, a coating of a material having a low back... | 08/21/1990 |
| 4900973 | Electron tube sealing structure In an electron tube sealing structure, a cylindrical insulator is metallized to produce metallized layers on both end surfaces, and sealing metal members are soldered to the metallized layers correspondingly, so that a vacuum chamber is provided in the in... | 02/13/1990 |
| 4748373 | Flat cathode ray display tube with beam generator subassembly A flat cathode ray display tube has an envelope divided into front and rear portions by a partition carrying frame deflection electrodes with an electron gun (30) and line scanning deflector positioned in the rear portion, the electron beam being directed... | 05/31/1988 |
| 4656392 | Electron discharge device having a thermionic emission-reduction coating An electron discharge device, such as a photomultiplier tube, has an evacuated envelope with an alkali-antimonide photoemissive cathode therein. A thermionic emission-reduction coating is disposed within the envelope. The coating alloys with the constitue... | 04/07/1987 |
| 4607193 | Textured carbon surfaces on copper by sputtering A very thin layer of highly textured carbon is applied to a copper surface by a triode sputtering process. A carbon target 10 and a copper substrate 12 are simultaneously exposed to an argon plasma 14 in a vacuum chamber. The resulting carbon surface is charac... | 08/19/1986 |
| 4422005 | Channel plate electron multiplier In a channel plate electron multiplier having a stack of perforated conducting sheet dynodes insulated from one another, electrons incident on the input face of the stack which do not enter the channels give rise to unwanted secondary electrons which move... | 12/20/1983 |
| 4417175 | Ion sputter textured graphite electrode plates A specially textured surface of pyrolytic graphite exhibits extremely low yields of secondary electrons and reduced numbers of reflected primary electrons after impingement of high energy primary electrons. Electrode plates of this material are used in mu... | 11/22/1983 |
| 4366413 | Secondary electron multiplication target A secondary electron multiplication target includes first and second porous layers laminated on a signal electrode. The first porous layer is formed of MgF2 which, having a high secondary electron emitting ratio and a dielectric constant of 6 ... | 12/28/1982 |
| 4349424 | Ion sputter textured graphite A specially textured surface of pyrolytic graphite exhibits extremely low yields of secondary electrons and reduced numbers of reflected primary electrons after impingement of high energy primary electrons. An ion flux having an energy between 500 eV and 1000 ... | 09/14/1982 |
| 4263528 | Grid coating for thermionic electron emission suppression In an electron gun having a control grid in contact with the face of the cathode, unwanted thermionic emission from the cathode can be effectively suppressed by applying a thin (1 micron) coating of boron nitride to the surface of the control grid. The bo... | 04/21/1981 |
| 4254357 | Multi-arrayed micro-patch emitter with integral control grid A multi-arrayed electron emitter for microwave tubes in which the emitting urface is an array of continually replenished low-work-function regions, (micro-patches), whose boundaries include a control grid which is integral with the cathode surface and whic... | 03/03/1981 |
| 4250428 | Bonded cathode and electrode structure with layered insulation, and method of manufacture The variety of technologies that have been applied in the development of a onded grid cathode are described. These include chemical vapor deposition of tungsten, molybdenum, iridium, BM, and Si3 N4 on both sides of a sintered tungsten... | 02/10/1981 |
| 4233539 | Electron tube with reduced secondary emission Secondary electrons emitted from an electron-collecting electrode of a vacuum tube degrade the performance. Emission of high-speed secondaries is reduced by coating the electron-collecting surface with a material of low atomic number. Emission of low-spee... | 11/11/1980 |
| 4151325 | Titanium nitride thin films for minimizing multipactoring Applying a thin film coating to the surface of a workpiece, in particular, applying a coating of titanium nitride to a klystron window by means of a crossed-field diode sputtering array. The array is comprised of a cohesive group of numerous small hollow ... | 04/24/1979 |
| 4050914 | Accelerator for charged particles An accelerator for charged particles comprising: a vacuum tight chamber, means for producing a beam of particles, and means for inhibiting secondary emission. The means for inhibiting secondary emission comprises outwardly extending wedge-shaped members c... | 09/27/1977 |
| 4013914 | Electrode protecting means for electric discharge lamps A fluorescent lamp having two opposite electrodes, wire probes located near the electrodes for collecting electrons during the positive half-cycle on an electrode, and a coating of a dielectric material, such as boron nitride, on each probe for storing so... | 03/22/1977 |
| 3988636 | Magnetron with cathode end shields coated with secondary electron emission inhibiting material In a magnetron comprising a cathode electrode, an anode electrode surrounding the cathode electrode and end shields mounted on the opposite ends of the cathode electrode, the inner surfaces of one or both end shields are provided with thin layers of a pow... | 10/26/1976 |
