| 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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| 04/10/1979 | US4149105 Filament-fixing terminal for a fluorescent indicator tube |
| 04/03/1979 | US4147954 Thermionic electron emitter |
| 04/03/1979 | US4147950 Image tube with conditioned input screen |
| 03/27/1979 | US4146393 Base metal plate materials for directly heated oxide cathode |
| 03/20/1979 | US4145635 Electron emitter with focussing arrangement |
| 03/06/1979 | US4143295 Cathode structure for an electron tube |
| 03/06/1979 | US4143292 Field emission cathode of glassy carbon and method of preparation |
| 02/27/1979 | US4142123 Image display device with optical feedback to cathode |
| 02/21/1979 | EP0000792A1 X-ray image intensifying screens |
| 02/20/1979 | CA1049086A1 Vacuum electron device having directly-heated matrix-cathode-heater assembly |
| 02/06/1979 | US4138622 High temperature electronic gain device |
| 01/30/1979 | US4137477 Electrodes, for example grid-like electrodes for use in electron tubes, and a method for manufacturing same |
| 01/30/1979 | US4137476 Thermionic cathode |
| 01/23/1979 | US4136227 Electrode of discharge lamp |
| 01/09/1979 | CA1046132A1 Dispenser cathode for a grid-controlled electron tube and method of manufacturing same |
| 01/09/1979 | CA1046131A1 Method of manufacturing a dispenser cathode, and dispenser cathode manufactured according to said method |
| 01/09/1979 | CA1046126A1 Electron gun cathode with a fast warm-up characteristic |
| 01/02/1979 | CA1045670A1 Laminated thermionic cathode |
| 12/19/1978 | US4130782 High voltage d-c vacuum interrupter device with magnetic control of interrupter impedance |
| 12/19/1978 | US4130781 High voltage d-c vacuum interrupter device with magnetic control of interrupter impedance with movable contact |
| 11/28/1978 | CA1043415A1 Electron tube having a photocathode, photocathode for such a tube, and method of manufacturing such a tube |
| 11/14/1978 | US4125793 Photomultiplier with dynode support structure |
| 11/07/1978 | CA1042061A1 Dispenser cathode with oxide of barium, scandium and aluminium |
| 10/24/1978 | CA1041220A1 Field emitting device and method of making same |
| 10/17/1978 | US4121133 Dielectric for multiple gaseous discharge display/memory panel having improved voltage characteristics |
| 10/17/1978 | US4121130 Cathode structure and method of operating the same |
| 10/17/1978 | US4120080 Pyrolytic graphite electrode is cut, cleaned and annealed |
| 10/10/1978 | US4119994 Heterojunction and process for fabricating same |
| 10/10/1978 | US4119761 Oxides of a chromium-containing alloy |
| 09/19/1978 | US4115720 Device having thermionic cathode heated by field-emitted electrons |
| 09/19/1978 | US4115228 Method of making secondary-electron emitters |
| 09/19/1978 | US4114243 Diffusion bonding |
| 09/05/1978 | US4112326 Non-uniform dynode mesh for an electron discharge tube |
| 09/05/1978 | US4112325 Electron discharge tube having a cup-shaped secondary electron emissive electrode |
| 09/05/1978 | CA1038013A1 Secondary-emissive electrode including a cermet |
| 08/15/1978 | US4107566 Rugged quick-heating electron tubes |
| 08/15/1978 | US4107564 Photoemitter |
| 07/18/1978 | US4101800 Controlled-porosity dispenser cathode |
| 07/11/1978 | US4100446 Light source lamp with particular envelope structure to accommodate external magnets |
| 07/04/1978 | US4099198 Photocathodes |
| 07/04/1978 | US4099079 Metal-alkali metal aluminum fluoride cermet |
| 06/27/1978 | US4097714 Thermionic heater cathode assembly of electron-beam gun |
| 06/20/1978 | US4096511 Photocathodes |
| 06/20/1978 | US4096406 Thermionic electron source with bonded control grid |
| 06/13/1978 | US4095133 Field emission device |
| 06/13/1978 | US4094703 Electroconductive, photoemitting electrodes |
| 06/06/1978 | US4093562 Polar-type or electron donor insulating polymer matrix containing dispersed conductive particles |
| 05/30/1978 | US4092545 Means and method for controlling the neutron output of a neutron generator tube |
| 05/09/1978 | US4088510 Magnesium oxide dynode and method of preparation |
| 04/25/1978 | US4086511 Millimeter imaging device |
| 04/11/1978 | US4083811 Lanthanated thermionic cathodes |
| 03/28/1978 | US4081713 Nickel, cobalt and alloys thereof, alkaline earth metal oxide |
| 03/14/1978 | US4079328 Area beam electron accelerator having plural discrete cathodes |
| 03/14/1978 | US4079285 Dielectric guide for electron beam transport |
| 03/14/1978 | US4079164 Base metal plate for directly heated oxide cathode |
| 02/21/1978 | US4075654 Gallium antimonide, aluminum gallium antimonide |
| 02/21/1978 | US4075529 Xenon lamp containing magnetic adsorbers inside the tube thereof |
| 02/21/1978 | US4075528 Xenon lamp with magnets on the electrodes |
| 02/21/1978 | US4075527 X-ray detector |
| 02/14/1978 | US4073989 Continuous channel electron beam multiplier |
| 02/14/1978 | US4073426 Method for joining an anode target comprising tungsten to a graphite substrate |
| 01/17/1978 | US4069436 Flat thermionic cathode |
| 01/17/1978 | US4069416 Lamp equipped with magnets |
| 01/10/1978 | US4068145 Insulated elastic support and clamping means for resistance heaters and emitter tip of electron gun |
| 01/03/1978 | US4066928 Resonant cavity magnetron having a helical cathode |
| 12/13/1977 | US4063276 Aluminum-gallium-antimony |
| 12/13/1977 | US4063269 Semiconductor photoelectron emission device |
| 12/13/1977 | US4063128 Cathode support structure for color picture tube guns to equalize cutoff relation during warm-up |
| 11/29/1977 | US4060823 Electron-emissive semiconductor devices |
| 11/22/1977 | US4059783 Field emission apparatus |
| 10/25/1977 | US4055780 Thermionic emission cathode having a tip of a single crystal of lanthanum hexaboride |
| 10/18/1977 | US4054946 Electron source of a single crystal of lanthanum hexaboride emitting surface of (110) crystal plane |
| 10/11/1977 | US4053920 Step graded photocathode |
| 10/11/1977 | US4053807 Tungsten |
| 10/11/1977 | US4053802 High-voltage vacuum tube, particularly an x-ray tube |
| 10/04/1977 | US4052633 Restorable cold cathode in a gas discharge electron gun |
| 09/06/1977 | US4047074 Multi-digit fluorescent display tube with cathode filament support |
| 08/02/1977 | US4040080 Semiconductor cold electron emission device |
| 08/02/1977 | US4040079 Semiconductor cold electron emission device |
| 08/02/1977 | US4040074 Semiconductor cold electron emission device |
| 08/02/1977 | US4039887 Electron emitter including porous antimony |
| 07/26/1977 | US4038576 Photocathode support of corundum with layer of barium boroaluminate or calcium boroaluminate glass |
| 07/26/1977 | US4038216 Cermets |
| 07/19/1977 | US4035885 Method for producing multi-figure luminescent display tubes |
| 06/21/1977 | US4031426 Emissive coating for electrodes |
| 06/21/1977 | US4031425 Dispenser cathode for a grid-controlled electron tube and method of manufacturing same |
| 05/24/1977 | US4025813 Microchannel plate comprising microchannels curved on the output side |
| 05/10/1977 | US4023063 Color tube having channel electron multiplier and screen pattern of concentric areas luminescent in different colors |
| 04/19/1977 | US4019082 Electron emitting device and method of making the same |
| 04/19/1977 | US4019081 Reaction cathode |
| 04/19/1977 | US4019077 Field emission electron gun |
| 03/29/1977 | US4015284 Semiconductor photoelectron emission device |
| 03/22/1977 | US4013913 Ion detection electrode arrangement |
| 03/22/1977 | US4013887 Methods and apparatus for spatial separation of ac and dc electric fields with application to fringe fields in quadrupole mass filters |
| 03/15/1977 | US4012760 Gallium aluminum phosphide |
| 03/08/1977 | US4011481 Modular electron discharge device |
| 02/15/1977 | US4008412 Thin-film field-emission electron source and a method for manufacturing the same |
| 02/08/1977 | US4007393 Barium-aluminum-scandate dispenser cathode |
| 01/25/1977 | US4005465 Tunnel emitter photocathode |
| 01/11/1977 | US4002884 Heater element for an indirectly heated cathode |