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