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