Patents for H01J 1 - Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps (21,638) |
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06/07/1994 | US5318918 Performing an orientation-dependent polycrystalline silicon etch to define a pyramid for the cell having base affixed to the workpiece and an upstanding tip opposed to the base |
06/07/1994 | US5318468 Pressing and sintering at least two layers of metals in different proportions, impregnating with emission, materials of metal oxides, shaping |
06/01/1994 | EP0598764A1 Improved electronic fluorescent display |
06/01/1994 | CN1024868C Cathode structure for cathode ray tube |
05/31/1994 | US5317230 Amplifier valve with grid having rods of variable width |
05/31/1994 | US5316511 Method for making a silicon field emission device |
05/24/1994 | US5315207 Device for generating electrons, and display device |
05/24/1994 | US5315206 Electron emission elements integrated substrate |
05/24/1994 | US5315127 A gallium arsenide phosphide substrate has a gallium arsenide overcoatings |
05/24/1994 | US5315126 Highly doped surface layer for negative electron affinity devices |
05/24/1994 | US5314569 Controlled heating and vapor phase growth of monocrystalline filaments in apertures containing solutions of whisker material, then cooling to taper tip |
05/24/1994 | US5314364 Scandate cathode and methods of making it |
05/18/1994 | EP0597537A1 Electron tube comprising a semiconductor cathode |
05/18/1994 | EP0597412A1 Hollow cathode made of a helical wire and manufacturing method |
05/17/1994 | US5313133 Electron gun for cathode ray tube with improved cathode structure |
05/11/1994 | EP0596242A1 Modulated intensity fed display |
05/10/1994 | US5311098 Interference photocathode |
05/04/1994 | CN1086347A Double close-up framming image intensifier |
05/03/1994 | US5308439 Multilayer elements with metals over insulators and filling apertures |
04/26/1994 | US5306189 Cathode impregnated by an electron emissive substance comprising (PBAO.QCAO).NBAA1204, where P>1, Q>0, N>1 |
04/20/1994 | EP0592731A1 Semiconductor photo-electron-emitting device |
04/19/1994 | US5304815 Electron emission elements |
04/13/1994 | EP0592186A1 Cathode for photoelectric emission, cathode for secondary electron emission, electron multiplier tube, and photomultiplier tube |
04/13/1994 | CN1024234C Drift mode amorphous silicon photoelectric cathode |
04/05/1994 | US5300857 Flat image display device with filamentary cathode support structure |
03/30/1994 | EP0589475A1 Spin-polarized electron emitter having semiconductor opto-electronic layer with split valence band |
03/29/1994 | US5298830 Barium aluminate impregnant |
03/22/1994 | US5296781 Impregnated cathode |
03/16/1994 | CN1083968A Impregnated pellet for a cathode structure and method of producing the same |
03/16/1994 | CN1024061C Dispenser cathode for cathode-ray tube |
03/02/1994 | EP0585081A1 Electron emitting device |
03/02/1994 | EP0365630B1 Process for manufacturing sources of field-emission type electrons, and application for producing emitter networks |
03/02/1994 | CN1083264A 改进的电子荧光显示器 Improved electronic fluorescent display |
03/01/1994 | US5291096 Cathode structure for a cathode-ray tube |
03/01/1994 | US5290610 Forming a diamond material layer on an electron emitter using hydrocarbon reactant gases ionized by emitted electrons |
02/23/1994 | CN1082764A Cathode heater structure of an electron gun for a cathoderay tube and method of assembling the heaters |
02/22/1994 | US5289086 Electron device employing a diamond film electron source |
02/22/1994 | US5289078 Electron source for a display device |
02/22/1994 | US5289076 Cathode structure for a cathode ray tube |
02/22/1994 | CA1327145C Cathode for electron tube |
02/17/1994 | WO1994003916A1 Method of manufacturing cold cathodes |
02/08/1994 | US5285129 Segmented electron emission device |
02/08/1994 | US5285079 Electron emitting device, electron emitting apparatus and electron beam drawing apparatus |
02/01/1994 | US5283501 Electron device employing a low/negative electron affinity electron source |
01/27/1994 | DE4224519A1 Field emission device for field emission triode - has convex hollow space in substrate of monocrystalline silicon@ with opening whose side edges form field emitter edges |
01/25/1994 | US5281897 Method for operation of a cathode using the tunnelling effect and a cathode configuration for execution of the method |
01/25/1994 | US5281891 Electron emission element |
01/20/1994 | WO1994001882A1 Photoemitters |
01/20/1994 | DE4310604A1 Mfg. field emission cathode for flat screen use - applying series of processes to form successive solid state layers and cathode tip |
01/18/1994 | US5280221 Thin-film cold cathode structure and device using the same |
01/12/1994 | EP0578512A1 Single crystal field emission device |
01/12/1994 | EP0578428A1 Method for making a field emission structure |
01/11/1994 | US5278475 Cathodoluminescent display apparatus and method for realization using diamond crystallites |
01/11/1994 | US5278472 Electronic device employing field emission devices with dis-similar electron emission characteristics and method for realization |
01/11/1994 | US5277637 Cathode for an electric discharge tube |
01/04/1994 | CA1325855C Encapsulated high brightness electron beam source and system therefor |
12/21/1993 | US5272411 Coaxial triode apparatus |
12/15/1993 | CN1023162C Process and structure of integrated vacuum microelectronic device |
12/14/1993 | US5270617 Planar type display device and its driving method |
12/14/1993 | US5269877 Field emission structure and method of forming same |
12/08/1993 | EP0572777A1 Cathodoluminescent display apparatus and method for realization |
12/07/1993 | US5268570 Transmission mode InGaAs photocathode for night vision system |
11/30/1993 | US5266867 Gas discharge tube with tunnel effect type cathode |
11/30/1993 | US5266414 Solid solution matrix cathode |
11/30/1993 | US5266155 Method for making a symmetrical layered thin film edge field-emitter-array |
11/23/1993 | US5264757 Scandate cathode and methods of making it |
11/23/1993 | US5264050 Cathode ray tubes |
11/18/1993 | EP0570211A1 Cathode structures |
11/18/1993 | EP0569671A1 Field emission cold cathode and method for manufacturing the same |
11/16/1993 | US5261845 Tungsten-scandium |
11/02/1993 | US5258687 Emissive material of barium-strontium yttrate |
11/02/1993 | US5258685 Field emission electron source employing a diamond coating |
11/02/1993 | CA1323901C Image display apparatus and method of fabrication thereof |
10/28/1993 | WO1993021646A1 Compact electron gun comprising a micro-point electron source, and semiconductor laser using said gun for electron pumping |
10/27/1993 | EP0567297A1 Reflection-type photoelectric surface and photomultiplier |
10/27/1993 | EP0566912A1 Apparatus for retaining an electrode by a magnetically shielded magnet |
10/26/1993 | US5256888 Transistor device apparatus employing free-space electron emission from a diamond material surface |
10/26/1993 | US5256097 Process for producing a directly heated cathode |
10/20/1993 | CN1022522C Process for mfg. dispenser cathode |
10/13/1993 | EP0564926A1 Cold cathode |
10/12/1993 | US5252833 Electron source for depletion mode electron emission apparatus |
10/06/1993 | EP0564028A1 Method of manufacturing a pointed electrode |
09/21/1993 | CA2037675C Electron tube cathode |
09/16/1993 | WO1993018536A1 Vertical microelectronic field emission devices and methods of making same |
09/15/1993 | EP0560436A1 Cathode with solid element |
09/14/1993 | US5245248 Micro-emitter-based low-contact-force interconnection device |
09/08/1993 | EP0559283A1 Cathode with porous cathode element |
09/07/1993 | US5243197 Semiconductor device for generating an electron current |
09/01/1993 | EP0558393A1 Micropoint cathode electron source and display device with cathodo-luminescence excited by field emission using same source |
09/01/1993 | EP0558308A1 Photoelectron emitting structure, and electron tube and photodetecting device using the photoelectron emitting structure |
08/27/1993 | CA2089986A1 Micropoint emissive cathode electron source and field emission-excited cathodoluminescence display means using said source |
08/17/1993 | US5236159 Filament clip support |
08/11/1993 | EP0555076A1 An electron device electron source including a polycrystalline diamond film |
08/11/1993 | EP0555074A1 An electron source for depletion mode electron emission apparatus |
08/11/1993 | EP0301041B1 Very high speed integrated microelectronic tubes |
08/05/1993 | WO1993015522A1 Diamond cold cathode |
08/05/1993 | DE4202599A1 High performance vacuum electron tube - comprising cathode with cathode wire in evacuated inner space of housing |
08/04/1993 | EP0553342A1 Recessed gate field emission device |
08/03/1993 | US5233263 Lateral field emission devices |
08/03/1993 | US5233196 Electron beam apparatus and method for driving the same |