| 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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| 08/22/1991 | WO1991012660A1 Cascaded cold cathode field emission devices |
| 08/22/1991 | WO1991012627A1 Field emission device encapsulated by substantially normal vapor deposition |
| 08/22/1991 | WO1991012625A1 Encapsulated field emission device |
| 08/22/1991 | WO1991012624A1 Cold cathode field emission device with integral emitter ballasting |
| 08/20/1991 | US5041757 Sputtered scandate coatings for dispenser cathodes and methods for making same |
| 08/14/1991 | EP0441698A1 Impregnated cathode manufacturing procedure and cathode obtained therewith |
| 08/14/1991 | EP0440822A1 Conductive pattern forming composition and method of producing the same |
| 08/14/1991 | CN1013533B Pressed multilayer cathod |
| 08/07/1991 | EP0439788A2 Glass composition and method for manufacturing a high performance microchannel plate |
| 08/06/1991 | US5038071 Heater for indirectly-heated cathode |
| 08/06/1991 | US5038070 Field emitter structure and fabrication process |
| 08/01/1991 | DE4102927A1 Thermionic cathode for CRT - with metal coating on emission material to improve heat transfer |
| 07/23/1991 | US5034651 High-voltage electrode |
| 07/23/1991 | US5034354 Alkali-free multichannel plate and glass |
| 07/23/1991 | CA1286710C Electron gun design using a lanthanum hexaboride cathode |
| 07/11/1991 | WO1991010252A1 Field emitter structure and fabrication process |
| 07/10/1991 | EP0436360A2 Dispenser cathode structure for use in electron gun |
| 07/10/1991 | CN2080663U General hollow cathode lamp |
| 07/10/1991 | CN1013159B Cathod for tube |
| 07/09/1991 | US5031015 Solid-state heterojunction electron beam generator |
| 07/09/1991 | US5030921 Cascaded cold cathode field emission devices |
| 07/09/1991 | US5030879 Thin metal support base containing electron emitter |
| 07/03/1991 | CN1052748A Permatron catelectrode device and making technology |
| 06/26/1991 | EP0434330A2 Field emission device and process for producing the same |
| 06/25/1991 | US5027029 Indirectly heated cathode assembly and its associated electron gun structure |
| 06/11/1991 | US5023110 Process for producing electron emission device |
| 06/05/1991 | CN2078491U Metal-glass composite core post readily to be cold clinch-sealed |
| 06/04/1991 | US5021709 Supporting structure for an electron gun heater |
| 06/04/1991 | US5021708 Cathode for emission of electrons and electron tube with a cathode of this type |
| 05/30/1991 | WO1991007771A1 Cold cathode field emission device having an electrode in an encapsulating layer |
| 05/29/1991 | EP0428986A2 Flat picture display device |
| 05/29/1991 | EP0428853A2 Cathode for producing intense, modulated, one- or multichannel electron beams |
| 05/29/1991 | CN1051820A Scandate cathode |
| 05/28/1991 | US5019744 Direct heating type cathode structure |
| 05/28/1991 | US5019003 Field emission device having preformed emitters |
| 05/22/1991 | EP0428206A1 Scandate cathode |
| 05/14/1991 | US5015920 Superconducting device for injection of electrons into electron tubes |
| 05/14/1991 | US5015909 Glass composition and method for manufacturing a high performance microchannel plate |
| 05/14/1991 | US5015908 Fast warm-up cathode for high power vacuum tubes |
| 05/14/1991 | US5015497 Cathode for electron tube and manufacturing method thereof |
| 05/07/1991 | US5013965 Electron gun cathode and manufacturing method therefor |
| 05/07/1991 | CA1283946C Very high speed integrated microelectronic tubes |
| 04/30/1991 | US5011444 Method of making a lead-in mount and seal |
| 04/24/1991 | CN1050946A Electron tube |
| 04/23/1991 | US5010275 Electron tube device and electron tube |
| 04/23/1991 | US5010249 Diamond probe and forming method thereof |
| 04/18/1991 | WO1991005363A1 Flat panel display using field emission devices |
| 04/18/1991 | WO1991005361A1 Field emission device having preformed emitters |
| 04/17/1991 | EP0422451A1 Electron tube |
| 04/16/1991 | US5007873 Non-planar field emission device having an emitter formed with a substantially normal vapor deposition process |
| 04/16/1991 | US5007373 Plasma assisted deposition of diamond films |
| 04/10/1991 | EP0421372A2 Method of manufacturing an electrode tube cathode |
| 04/09/1991 | US5006753 Scandate cathode exhibiting scandium segregation |
| 03/26/1991 | US5003219 Fixed construction for plate electrodes in a flat display unit |
| 03/21/1991 | WO1991003831A1 Cathode-heating device for electron-ray tube |
| 03/21/1991 | WO1991003817A1 Conductive pattern forming composition and method of producing the same |
| 03/20/1991 | EP0417640A2 Cathode support for election beam producing device |
| 03/20/1991 | EP0417340A1 Electron source |
| 03/20/1991 | EP0417280A1 Electrode for discharge light source |
| 03/20/1991 | CN1050112A Cathode for electron gun and its manufacturing method |
| 03/19/1991 | US5001385 Electron beam apparatus with adjusting mechanism for a thermally emitting cathod tip |
| 03/14/1991 | DE3930201A1 Current transfer contact for electron gun - has separate relatively movable connecting and contact element components |
| 03/13/1991 | EP0416626A2 Electron emitting semiconductor device |
| 03/13/1991 | EP0416625A2 Electron emitting device, method for producing the same, and display apparatus and electron scribing apparatus utilizing same. |
| 03/13/1991 | EP0416558A2 Electron emission element and method of manufacturing the same |
| 03/13/1991 | EP0416535A2 Cathode for electron tubes |
| 03/13/1991 | EP0416175A1 Contact device for the photocathodes of photoelectric tubes, and process for manufacturing same |
| 03/13/1991 | EP0294401B1 Fast warm-up cathode arrangement |
| 03/12/1991 | US4999537 Structure of electron source and application thereof to electromagnetic wave emitting tubes |
| 03/07/1991 | WO1991003065A1 Cathode heating unit for electron-ray devices |
| 02/27/1991 | EP0140979B1 Alloy containing liquid metal ion species |
| 02/21/1991 | WO1991002371A1 Switched anode field emission device |
| 02/19/1991 | US4994709 Method for making a cathader with integral shadow grid |
| 02/19/1991 | US4994708 Cold cathode device |
| 02/19/1991 | US4994706 Field free, directly heated lanthanum boride cathode |
| 02/05/1991 | US4990823 Electron gun and method of manufacturing an electron gun, and display tube comprising such an electron gun |
| 02/05/1991 | US4990766 Solid state electron amplifier |
| 01/23/1991 | CN1048768A Dispenser cathode for cathode-ray tube |
| 01/22/1991 | US4986788 Process of forming an impregnated cathode |
| 01/22/1991 | US4986787 Method of making an integrated component of the cold cathode type |
| 01/16/1991 | EP0408342A2 Thin high temperature heater and method for manufacturing the same |
| 01/16/1991 | CN1048643A Inorganically insulated heater, production thereof, and cathode ray tube using same |
| 01/15/1991 | CA1279090C Self-regulating, no load protected electronic ballast system |
| 01/09/1991 | EP0407104A2 Inorganically insulated heater, process for production thereof and cathode ray tube using the same |
| 01/09/1991 | EP0406441A1 Image display device |
| 01/08/1991 | US4983878 Field induced emission devices and method of forming same |
| 01/08/1991 | US4983821 Photomultiplier tube with electrode supports |
| 01/02/1991 | EP0405897A2 Coated article |
| 01/01/1991 | US4982133 Dispenser cathode and manufacturing method therefor |
| 12/27/1990 | EP0404246A1 Semiconductor device for generating an electron current |
| 12/27/1990 | EP0404093A2 Photoelectron emitting member |
| 12/26/1990 | CA2019744A1 Coated article |
| 12/25/1990 | US4980603 Uniform coating of scandium oxide on nickel base element; stability of emission for long period of time |
| 12/25/1990 | US4980141 Hexagonal-bipyramid crystalline scandium oxide powder and a process for preparing the same |
| 12/12/1990 | CN1047757A Electric discharge element |
| 12/11/1990 | US4976644 Containers, electron emission materials, porous metal body, and support sleeve |
| 12/11/1990 | US4976643 Direct-heated cathode structure and method for the fabrication thereof |
| 12/05/1990 | EP0401068A1 Impregnated thermionic cathode for electron tube |
| 12/05/1990 | EP0400751A1 Electric discharge element |
| 12/05/1990 | EP0400406A1 Electron-emitting device and process for making the same |