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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12/28/1992 | CA2070478A1 Fabrication method for field emission arrays |
12/24/1992 | DE4214103A1 Indirectly heated cathode for cathode ray tube - has heated section length defined to achieve reduction in current overshoot characteristic |
12/23/1992 | EP0504370A4 A field emission device employing a layer of single-crystal silicon |
12/22/1992 | US5173635 Bi-directional field emission device |
12/22/1992 | US5173633 Dispenser cathode |
12/22/1992 | CA1311863C Low-voltage source for narrow electron/ion beams |
12/17/1992 | DE4219426A1 Impregnated cathode structure for CRT electrode gun - has sleeve with head region, contg. frusto-conical aperture with preset central dia. |
12/15/1992 | US5172027 Wire shaped electron source |
12/15/1992 | US5171180 Method for manufacturing impregnated cathodes |
12/09/1992 | EP0517146A2 Electron source drive device employing an improvement of an electron source unit |
12/08/1992 | US5170100 Electronic fluorescent display system |
12/08/1992 | US5170092 Electron-emitting device and process for making the same |
12/02/1992 | EP0516503A1 Oxide cathode and method of its manufacture |
11/26/1992 | DE4112436A1 Field emission diode for protecting electronic circuits from overvoltages - with single crystal silicon@ anode substrate and field emission cathode bridge |
11/25/1992 | EP0514474A1 Cold cathode field emission device with integral emitter ballasting |
11/25/1992 | EP0514447A1 Cascaded cold cathode field emission devices |
11/25/1992 | CN1019246B Scandate cathode |
11/19/1992 | EP0513777A2 Multiple electrode field electron emission device and process for manufacturing it |
11/19/1992 | EP0500543A4 Flat panel display using field emission devices |
11/18/1992 | CN1066341A Indirectly-heated cathode heater structure for cathode ray tube |
11/18/1992 | CN1019097B Crystal powder of hexagonal bipyramid scandium oxide and prepn. method thereof |
11/17/1992 | US5164632 High density, aluminum oxide film |
11/17/1992 | US5164631 Cathode structure for an electron tube |
11/12/1992 | WO1992020087A1 High resolution image source |
11/11/1992 | EP0512429A1 Semiconductor device for emitting highly spin-polarized electron beam |
11/11/1992 | EP0512280A1 Dispenser cathode and method of fabricating same |
11/11/1992 | CN1066148A Method for manufacturing impregnated cathodes |
11/10/1992 | US5162704 Field emission cathode |
11/05/1992 | DE4114487A1 High-output hot cathode for electronic appts. - has tantalum@ support to which tungsten-thorium pieces are applied |
10/28/1992 | EP0510941A1 Method for manufacturing impregnated cathodes |
10/27/1992 | US5159236 Indirectly heated cathode for a gas discharge tube |
10/27/1992 | US5159234 Electron beam generator and emission cathode |
10/27/1992 | US5158228 Method for arranging plurality of line filaments above the grid electrode in a fluorescent displaying tube |
10/22/1992 | DE4113276A1 Writing and reading strips for photoprinter or scanner - comprising cold cathode in a vacuum-tight evacuated vessel and a light source sepd. by an electron-accelerating chamber |
10/22/1992 | DE4113275A1 Image converter for UV and X=ray images - providing simplified electro=optical imaging, in which image points of prim. image are formed on intersection regions of base and top electrode films on thinned local areas |
10/22/1992 | DE4113274A1 Flat display - comprising matrix-addressed cold cathode, electron-accelerating chamber, fluorescent screen and gas-tight evacuated jacket |
10/20/1992 | US5157309 Cold-cathode field emission device employing a current source means |
10/13/1992 | US5155416 Electron beam emitting device and image displaying device by use thereof |
10/13/1992 | US5155340 Thin high temperature heater |
10/13/1992 | US5154733 Photoelectron emitting member and method of electrically charging fine particles with photoelectrons |
09/23/1992 | EP0505211A1 Cathode structure of an electron gun in a cathode ray tube |
09/23/1992 | EP0504603A1 Semiconductor electron emission device |
09/23/1992 | EP0504370A1 A field emission device employing a layer of single-crystal silicon |
09/22/1992 | US5150192 Field emitter array |
09/16/1992 | EP0503169A1 Electron tube with directly cooled anode |
09/16/1992 | CN1064564A Cathode and heater assembly for electron beam devices |
09/15/1992 | US5148461 Circuits responsive to and controlling charged particles |
09/15/1992 | US5148079 Planar type cold cathode with sharp tip ends and manufacturing method therefor |
09/15/1992 | US5147501 Electronic devices |
09/09/1992 | EP0501968A1 Cold cathode field emission device having an electrode in an encapsulating layer |
09/09/1992 | CN1018219B Oxide cathode |
09/08/1992 | US5146131 Durability |
09/02/1992 | EP0501785A2 Electron emitting structure and manufacturing method |
09/02/1992 | EP0501560A1 Cathode |
09/02/1992 | EP0500543A1 Flat panel display using field emission devices |
09/02/1992 | CN1064172A Method for manufacturing impregnated cathodes |
09/02/1992 | CA2060809A1 Electron emitting structure and manufacturing method |
08/26/1992 | EP0500133A1 Electron emission element |
08/25/1992 | US5142184 Cold cathode field emission device with integral emitter ballasting |
08/25/1992 | US5141460 Method of making a field emission electron source employing a diamond coating |
08/19/1992 | CN1063775A Impregnated cathode |
08/13/1992 | DE4104061A1 Circuit arrangement for heating and feeding cathode - feeds high AC or DC as supply voltage and AC as heating voltage to cathode in vacuum vessel, with two heating vessels incorporated with HV cables |
08/12/1992 | EP0498379A1 A planar type display device and its driving method |
08/11/1992 | US5138402 Semiconductor electron emitting device |
08/11/1992 | US5138237 Field emission electron device employing a modulatable diamond semiconductor emitter |
08/11/1992 | US5138221 Inorganically insulated heater, and cathode ray tube and air flow sensor using the same |
08/11/1992 | US5138220 Field emission cathode of bio-molecular or semiconductor-metal eutectic composite microstructures |
08/11/1992 | US5138191 Photoemitter |
08/05/1992 | EP0497627A2 Field emission microcathode arrays |
08/05/1992 | EP0497509A1 Method of forming a field emission device |
08/04/1992 | US5136212 Electron emitting device, electron generator employing said electron emitting device, and method for driving said generator |
08/04/1992 | CA1305999C Method of manufacturing a cold cathode, field emission device and a field emission device manufactured by the method |
07/29/1992 | EP0496576A2 Field emission device with vertically integrated active control |
07/29/1992 | EP0496572A1 Integrally controlled field emission flat display device |
07/28/1992 | US5134338 Flat picture display device |
07/26/1992 | CA2034920A1 Cathode/heater assembly for electron-beam devices |
07/26/1992 | CA2034919A1 Cathode and heater assembly for electron-beam devices |
07/21/1992 | US5132081 Method for manufacturing impregnated cathodes |
07/21/1992 | US5131878 Process for manufacturing dispenser cathode |
07/15/1992 | CN1017482B Electron gun assembly having reinforced heater tab with locating means |
07/14/1992 | US5129850 Method of making a molded field emission electron emitter employing a diamond coating |
07/08/1992 | EP0493676A1 Process for manufacturing an electric conducting point from a doped semiconducting material |
07/07/1992 | US5128584 Impregnated cathode |
07/02/1992 | DE4143096A1 Impregnated cathode prodn. - by sintering metal powder to form pellet, fixing in cathode ring and impregnating pellet |
07/02/1992 | DE4142860A1 Vacuum fluorescent display tube - has spacer between facing substrates and fixed by glass mass also serving to fix lower part between spacer and substrate |
07/01/1992 | EP0492763A1 Sputtered scandate coatings for dispenser cathodes and methods for making same |
06/30/1992 | US5126623 Dispenser cathode |
06/30/1992 | US5126622 Dispenser cathode |
06/24/1992 | EP0476108A4 Cold cathode field emission device having integral control or controlled non-fed devices |
06/24/1992 | CN1062234A 氧化物阴极 Oxide cathode |
06/24/1992 | CN1017206B Electron gun assembly having reinforced heater tab |
06/23/1992 | US5125000 Compact electronic pumping-type semiconductor laser |
06/17/1992 | EP0489932A1 Iron-nickel alloy |
06/17/1992 | DE4039659A1 Hot cathode periodic electron emission current increase - by using tungsten-scandium oxide outer layer on impregnated tungsten@ cathode, for microwave tube and television with energy redn. |
06/16/1992 | US5122707 Electron emission layer of metal with scandium and alkaline earth oxide overcoating |
06/10/1992 | CN1061870A Electric lamp |
06/09/1992 | US5121087 Electronic resonator employing an FED resonator element |
06/09/1992 | US5121027 Plasma spraying scandium or scandium oxide onto surface of a cap including a nickle base containing reducing elements which ionized to form implantation layer; enhanced elctron emission characteristics |
06/03/1992 | EP0488852A1 Cathode for ultra high frequency tubes |
06/03/1992 | EP0488462A1 Electric lamp |