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)
10/1985
10/09/1985EP0157634A2 Tungsten-iridium impregnated cathode
10/08/1985US4546286 Electron tube, in particular a transmitter tube
10/02/1985EP0156454A1 Thermionic electron emitter
10/02/1985EP0156450A2 Dispenser cathode and method of manufacturing the same
10/02/1985EP0156412A1 Device for producing electromagnetic radiation
10/02/1985EP0156003A1 Electron gun for an electron tube, especially for a travelling-wave tube
09/1985
09/24/1985CA1194089A1 Thermionic cathode and method of manufacturing same
09/24/1985CA1194082A1 Cathode ray tube with semiconductor cathode having deflection electrodes
09/17/1985CA1193755A1 Electron-emmiting semiconductor device
08/1985
08/21/1985EP0151588A1 Electron emission system.
08/20/1985US4536679 Photocathode
08/20/1985CA1192254A1 Cathode-ray tube and cathode unit for such a cathode- ray tube
08/07/1985EP0150885A2 Semiconductor device for producing an electron beam
08/06/1985US4533852 Continuous process for high frequency and microwave tubes;durability
08/06/1985CA1191541A1 Method of fabricating cathode electrodes and product of such method
07/1985
07/31/1985EP0149684A1 Electrode structure for display device
07/30/1985US4532452 Cathode structure for a cathodoluminescent display devices
07/23/1985US4530669 Method of making a borided dispenser cathode
07/09/1985US4528474 Method and apparatus for producing an electron beam from a thermionic cathode
06/1985
06/25/1985US4525652 Auxiliary-voltage source for supplying electric circuits which are at a high potential
06/18/1985US4524297 Thermionic cathode and method of manufacturing same
06/18/1985US4524296 Cathode structure for electron tube
06/05/1985EP0143222A1 Thermionic cathode capable of high emission for an electron tube, and method of manufacture
05/1985
05/21/1985US4518980 Semiconductor device for the vacuum-emission of electrons
05/21/1985US4518890 Porous scandium oxide refractory substrate and electron emission material
05/15/1985EP0140979A1 Alloy containing liquid metal ion species
05/07/1985US4516146 Electron sources and equipment having electron sources
05/07/1985US4516051 Cathode-ray tube and cathode unit for such a cathode-ray tube
05/02/1985EP0139334A2 Semiconductor-glass support structure and devices provided with such a structure
04/1985
04/25/1985WO1985001831A1 Integrated electron-tube structure
04/23/1985US4513308 p-n Junction controlled field emitter array cathode
04/10/1985EP0136752A2 Electron image projector
03/1985
03/19/1985US4506284 Electron sources and equipment having electron sources
03/19/1985CA1184231A1 X-ray tube shielding electrode
02/1985
02/14/1985WO1985000692A1 Electrode structure for display device
02/12/1985US4499592 X-Ray tube having flashover prevention means
02/12/1985US4498952 Batch fabrication procedure for manufacture of arrays of field emitted electron beams with integral self-aligned optical lense in microguns
02/12/1985US4498225 Method of forming variable sensitivity transmission mode negative electron affinity photocathode
02/05/1985CA1182165A1 Wehnelt cathode heated by a triode system
01/1985
01/15/1985US4494035 Thermoelectric cathode for a hyperfrequency valve and valves incorporating such cathodes
01/15/1985CA1181123A1 Indirectly heated oxide cathode for cathode ray tubes
01/09/1985EP0130395A1 Fast warm-up cathode
01/09/1985EP0130379A2 Method of extending the lifetime of an electron beam filament
01/03/1985WO1985000071A1 Electron emission system
01/02/1985EP0129942A1 Electron beam apparatus comprising a wire source
12/1984
12/12/1984EP0127735A1 Photo cathode and method of manufacturing such a cathode
12/11/1984US4487673 Method of making a line cathode having localized emissive coating
12/04/1984US4486684 Single crystal lanthanum hexaboride electron beam emitter having high brightness
11/1984
11/21/1984EP0125859A1 Element
11/13/1984US4482839 Thermionic emission cathode and preparation thereof
11/13/1984US4482838 Thermionic emission cathode
10/1984
10/25/1984WO1984004202A1 Alloy containing liquid metal ion species
10/17/1984EP0122182A1 Cathode for an electron gun
10/17/1984EP0121564A1 Method for fabricating a dispenser-reservoir housing for a dispenser cathode.
09/1984
09/26/1984EP0119646A1 Device for producing coherent radiation
09/25/1984US4473777 Electron emitter assembly
09/25/1984US4473771 Thermionic emitter for electron microscopy
09/11/1984US4471260 Oxide cathode
09/04/1984US4469984 Grid-like electrode for electronic components and process for making same
08/1984
08/28/1984US4468586 Shaped electron emission from single crystal lanthanum hexaboride with intensity distribution
08/28/1984CA1173489A1 Thermionic cathode and process for preparing the same
08/28/1984CA1173488A1 Electron gun in which cathode shaft is freely suspended within cylindrical heat reflection screen
08/28/1984CA1173487A1 Semiconductor cathode with avalanche breakdown pn junction
08/22/1984EP0116377A1 Electric discharge tube
08/21/1984US4467240 Ion beam source
08/14/1984CA1172683A1 Electron emitting coating in metal halide arc lamp
08/07/1984US4464611 Line cathode heating and protection circuit
07/1984
07/24/1984US4461970 Shielded hollow cathode electrode for fluorescent lamp
06/1984
06/26/1984US4456852 Mesh structure for a photomultiplier tube
06/05/1984CA1168692A1 Tungsten halogen lamp having lead-in wire comprising tantalum alloy
05/1984
05/02/1984EP0107522A1 Directly heated cathodes
05/02/1984EP0107004A1 Mask for corpuscular lithography, method for its manufacture and of using it
05/01/1984US4446404 Directly heated oxide cathode and production thereof
04/1984
04/26/1984WO1984001664A1 Controlled porosity dispenser cathode
04/17/1984US4443735 Directly heated meshed cathode for electronic tubes and method of making
04/04/1984EP0104496A2 Electron emitter assembly
03/1984
03/27/1984US4439712 Anode structure for photomultiplier tube
03/27/1984US4438557 Method of using an areal array of tubular electron sources
03/13/1984US4437038 Hollow cathode lamp with improved stability alloy for the cathode
03/13/1984US4436651 Thermionic cathode and process for preparing the same
02/1984
02/28/1984US4434385 Discharge lamp device
02/22/1984EP0101108A1 Electronic tube, particularly an emitter tube
02/16/1984WO1984000610A1 Low voltage field emission electron gun
02/07/1984US4430570 Electron beam exposing apparatus
01/1984
01/31/1984US4429251 Line cathode support structure for a flat panel display device
01/31/1984US4429250 Direct heating cathode for high frequency thermionic tube
01/24/1984US4427916 Heating element for indirectly heated cathode and method for the manufacture of such an element
01/24/1984US4427886 Low voltage field emission electron gun
01/03/1984US4424044 Method of fabricating cathode electrodes
12/1983
12/20/1983US4422008 Electron tube having a photoelectric screen
12/13/1983US4420708 High-pressure sodium vapor discharge lamp
12/06/1983US4419603 Potassium cesium antimonide on manganese monoxide
11/1983
11/22/1983US4417173 Thermionic electron emitters and methods of making them
11/08/1983US4414487 Superconducting electron beam generator
11/01/1983US4413203 Cathode-G1 spacing material and method of application
10/1983
10/25/1983CA1155906A1 Dispenser cathode containing barium and scandium oxides
10/18/1983US4410832 Poison-resistant electrode; long lasting; lightweight
10/12/1983EP0091161A1 Methods of manufacturing a dispenser cathode and dispenser cathode manufactured according to the method
10/11/1983US4409279 Glass support rod for use in electron-gun mount assemblies
10/04/1983US4407934 Method of making an assembly of electrodes