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