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