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)
08/1993
08/03/1993CA1320991C Method of contacting semiconductor cathodes and of manufacturing an electron tube provided with such a cathode
07/1993
07/21/1993EP0551767A2 An electron multiplier and an electron tube
07/20/1993US5229691 Electronic fluorescent display
07/20/1993US5229682 Field electron emission device
07/20/1993US5229331 Method to form self-aligned gate structures around cold cathode emitter tips using chemical mechanical polishing technology
07/20/1993US5228878 Field electron emission device production method
07/20/1993US5228877 Field emission devices
07/14/1993CN1021608C Encapsulated field emission device
07/13/1993US5227699 Recessed gate field emission
07/08/1993WO1993013514A1 Color fluorescent backlight for liquid crystal display
07/07/1993EP0550335A1 System to control the form of a charged particle beam
07/07/1993EP0550134A1 Filament clip support
07/07/1993CN2137820Y 组合式灯丝 Combined filament
07/06/1993US5225732 Cathode made of conductive composite oxide of specific crystalline structure; durability
07/06/1993US5225670 X-ray to visible image converter with a cathode emission layer having non-uniform density profile structure
07/01/1993DE4244426A1 Cathode heater for colour CRT - has three coil heating elements mounted on glass block having conductor path on surface
07/01/1993DE4228680A1 Matrix-vorratskathode und verfahren zu ihrer herstellung Matrix dispenser cathode and processes for their preparation
07/01/1993CA2083911A1 Filament clip support
06/1993
06/30/1993EP0549201A1 Photocathode for image intensifier tube
06/30/1993EP0549034A1 Cathode and method of manufacture
06/23/1993EP0547586A2 Discharge tube
06/23/1993CN1021389C Structures and processes for fabricating field emission cathodes
06/22/1993US5220725 Micro-emitter-based low-contact-force interconnection device
06/19/1993CA2085571A1 Discharge tube
06/15/1993US5220238 Cathode structure for an electron tube and method of constructing it
06/15/1993US5219310 Method for producing planar electron radiating device
06/09/1993EP0545621A1 Method of forming a field emission device with integrally formed electrostatic lens
06/09/1993EP0545603A1 Cathode heater and cathode assembly for microwave power tubes
06/09/1993EP0544663A1 Process and structure of an integrated vacuum microelectronic device.
06/08/1993US5218273 Multi-function field emission device
06/08/1993US5218263 High thermal efficiency dispenser-cathode and method of manufacture therefor
06/08/1993US5218262 Apparatus for retaining an electrode by a magnetically shielded magnet
06/02/1993EP0544516A1 Apparatus for field emission device electrostatic electron beam focussing
06/01/1993US5216320 Barium scandate dispersed in alkali metal oxide layer on surface of base metal; average particle sizes similar to avoid deterioration of emissivity
05/1993
05/26/1993CN1072532A Cathode structure for electron tube
05/26/1993CN1020986C Microcomputerized visual monitor system for secondary winder
05/25/1993US5214347 Layered thin-edged field-emitter device
05/19/1993EP0542146A1 Ceramic insulator
05/19/1993CN1072286A Electron device employing low/negative electron affinity electron source
05/19/1993CN1020828C Encapsulated field emission device
05/18/1993US5212426 Integrally controlled field emission flat display device
05/18/1993US5211707 Semiconductor metal composite field emission cathodes
05/13/1993WO1993009593A1 Amplifying tubes heated by transformed a.c.
05/13/1993DE4136879A1 Ueber einen transformator mit wechselstrom heizbare roehre Over a transformer with ac heated roehre
05/12/1993EP0541394A1 Field emitter array and cleaning method of the same
05/05/1993EP0539365A1 Structures and processes for fabricating field emission cathodes.
05/05/1993CN1071786A Impregnated cathode structure and method for manufacturing same
05/04/1993US5208508 Cathode heater potting assembly
04/1993
04/28/1993EP0538455A1 High resolution image source.
04/21/1993EP0537495A1 An impregnated cathode and method for its manufacture
04/20/1993US5204583 Filament supporter for use in vacuum fluorescent display tubes and method for filament installation
04/20/1993US5204581 Device including a tapered microminiature silicon structure
04/14/1993EP0536732A1 Electron-emitting device, and electron beam-generating apparatus and image-forming apparatus employing the device
04/14/1993EP0536731A1 Electron-emitting device, and electron beam-generating apparatus and image-forming apparatus employing the device
04/13/1993US5202605 Mim cold-cathode electron emission elements
04/13/1993US5202571 Electron emitting device with diamond
04/13/1993US5201681 Method of emitting electrons
04/07/1993EP0535953A2 Field-emission type electronic device
04/07/1993EP0535870A1 Directly heated dispenser cathode with improved helix element and rare gas ion laser generating system using the same
04/06/1993US5199918 Method of forming field emitter device with diamond emission tips
03/1993
03/31/1993EP0534842A1 Cathode structure for an electron tube
03/31/1993CN1070514A Cathode structure for CRT electron gun
03/30/1993US5198720 Direct heating cathode structure for cathode ray tubes
03/17/1993EP0532358A1 Reflection type photocathode and photomultiplier using it
03/17/1993EP0532019A1 Semiconductor electron emission device
03/16/1993US5194780 Electron source with microtip emissive cathodes
03/10/1993CN2128014Y Incense coil type cathode
03/10/1993CN1069828A 多极场致电子发射器件及其制造方法 Multiple electrode field electron emission device and manufacturing method thereof
03/10/1993CN1069827A 采用金刚石涂层的模制场致发射电子发射极及其制造方法 Molded using a diamond-coated field emission electron emitter and its manufacturing method
03/10/1993CN1069826A 采用金刚石覆层的场致发射电子源及其制造方法 Diamond coating using a field emission electron source and method of manufacturing
03/10/1993CN1069825A 采用可调整的金刚石半导体发射极的场致发射电子器件 Field uses the adjusted diamond semiconductor emitter emission electron device
03/10/1993CN1020058C Indirectly heated cathode assembly and its accociated electron gun structure
03/09/1993US5192892 Linear cathode apparatus
03/04/1993WO1993004496A1 Recessed gate field emission device
03/02/1993US5191217 Method and apparatus for field emission device electrostatic electron beam focussing
02/1993
02/24/1993EP0528391A1 A field emission electron source employing a diamond coating and method for producing same
02/24/1993EP0528390A1 A field emission electron device employing a modulatable diamond semiconductor emitter
02/24/1993EP0528322A1 A molded field emission electron emitter employing a diamond coating and method for producing same
02/23/1993US5189341 Electron emitting element
02/23/1993US5188977 Method for manufacturing an electrically conductive tip composed of a doped semiconductor material
02/21/1993CA2071065A1 Field emission electron source empolying a diamond coating and method for producing same
02/21/1993CA2071064A1 Molded field emission electron emitter employing a diamond coating and method for producing same
02/21/1993CA2070942A1 Field emission electron device employing a modulatable diamond semiconductor emitter
02/16/1993US5187407 Electric lamp
02/09/1993US5185559 Supply circuit for P-N junction cathode
02/09/1993US5185554 Electron-beam generator and image display apparatus making use of it
02/04/1993WO1993002442A1 Improved electronic fluorescent display
02/02/1993US5183425 Manufacturing shape retention structure for retaining filament electrodes
01/1993
01/27/1993CN2126656Y Anode conducting coating for deflecting portion of display tube
01/21/1993WO1993001610A1 Semiconductor metal composite field emission cathodes
01/20/1993EP0523980A1 A field emission device and method for forming
01/20/1993EP0523702A1 Image-forming device
01/20/1993EP0523494A1 An electron device employing a low/negative electron affinity electron source
01/19/1993US5180951 Electron device electron source including a polycrystalline diamond
01/19/1993CA2070767A1 Electron device employing a low/negative electron affinity electron source
01/19/1993CA1312909C Electron gun assembly having a reinforced heater tab with locating means
01/12/1993US5179317 Fluorescent luminous device having a vibration absorbing element
01/05/1993US5176557 Electron emission element and method of manufacturing the same
12/1992
12/30/1992EP0520780A1 Fabrication method for field emission arrays
12/30/1992EP0520445A1 Heater coil for electron tube