Patents for H01J 3 - Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps (4,773) |
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04/17/1991 | EP0422451A1 Electron tube |
04/16/1991 | US5008549 High performance, vacuum compatible electromagnetic lens coil |
04/10/1991 | EP0421648A2 A surface discharge plasma cathode electron beam generating assembly |
04/07/1991 | CA2027175A1 Surface discharge plasma cathode electron beam generating assembly |
03/26/1991 | US5003226 Plasma cathode |
03/26/1991 | US5003178 Large-area uniform electron source |
03/20/1991 | EP0417639A1 Electron bream producing device for electron gun |
03/20/1991 | EP0417638A2 Electron beam producing device, particularly for an electron gun |
03/07/1991 | DE3928390A1 Plasma supporting source for charged particles - produces beams of desired current amplitude, thickness, cross=section and duration |
02/19/1991 | US4994709 Method for making a cathader with integral shadow grid |
01/24/1991 | WO1991001038A1 Method of generating high-intensity electron beam |
01/22/1991 | US4987377 Field emitter array integrated distributed amplifiers |
01/16/1991 | EP0277203B1 System for controlling the respective emission currents from a plurality of cathodes of an ion source device and ion propulsion motor |
01/09/1991 | EP0406886A2 Field-emission type switching device and method of manufacturing it |
12/12/1990 | EP0401658A1 Scanning tunneling microscope with arrangements for detecting electrons coming from the sample |
12/12/1990 | CN1047757A Electric discharge element |
12/05/1990 | EP0400751A1 Electric discharge element |
11/28/1990 | EP0398995A1 Plasma x-ray tube, in particular for x-ray preionizing of gas lasers, and use as electron gun. |
11/21/1990 | CN1047167A Device for generating electrons, and display device |
11/21/1990 | CN1010530B Coating method for making emission filament used for ionization in mass spectrum field |
11/04/1990 | WO1990013905A1 Energy conversion using charge particles |
11/04/1990 | CA2054724A1 Energy conversion using charge particles |
10/31/1990 | EP0395158A1 Device for generating electrons, and display device |
10/30/1990 | US4966787 Method of creating isolated plates on the inside surface of a metallized substrate |
10/28/1990 | CA2015396A1 Device for generating electrons, and display device |
10/04/1990 | WO1990011609A1 Field-effect electron source crt gun |
09/26/1990 | EP0389270A2 Electron gun with integral shadow grid |
09/26/1990 | EP0388984A2 Electron-beam generator and image display apparatus making use of it |
09/22/1990 | CA2012708A1 Electron gun with integral shadow grid |
09/12/1990 | EP0387145A1 Electron beam generator and electronic devices using such a generator |
09/11/1990 | US4956578 Surface conduction electron-emitting device |
09/04/1990 | US4955045 Plasma X-ray tube, in particular for X-ray preionization of gas lasers and method for produicng X-radiation with such an X-ray tube |
09/04/1990 | US4954751 Radio frequency hollow cathode |
09/04/1990 | CA1273497A1 Emission current control system for multiple hollow cathode devices |
07/17/1990 | US4942339 Intense steady state electron beam generator |
07/04/1990 | EP0376825A1 Electron source of the field emission type |
06/26/1990 | CA1270895A1 Conductive coated semiconductor electrostatic deflection plates |
06/05/1990 | US4931700 Electron beam gun |
05/31/1990 | WO1990005990A1 Large-area uniform electron source |
05/08/1990 | US4924101 Charged particle source |
04/11/1990 | CN1007539B Emitting current control system of multi-hollow cathodes |
03/27/1990 | US4912738 Magnetically energized pulser |
03/20/1990 | US4910435 Remote ion source plasma electron gun |
02/27/1990 | US4904895 Electron emission device |
02/13/1990 | US4901028 Field emitter array integrated distributed amplifiers |
02/13/1990 | US4900982 Cathode assembly |
02/08/1990 | WO1990001250A1 Remote ion source plasma electron gun |
01/10/1990 | EP0350358A1 Electron gun and electron tube including such an electron gun |
01/10/1990 | EP0350357A1 Superconductor device for electron injection into an electronic tube |
12/12/1989 | US4886992 Electron source with magnetic means |
11/30/1989 | DE3827411C1 Hollow-beam electron gun for generating a hollow electron beam having low-scattering transverse velocity component |
11/29/1989 | CN1037614A Coating method for making emission filament used for ionization in mass spectrum field |
11/16/1989 | WO1989011157A1 Automatically focusing field emission electrode |
11/08/1989 | EP0340258A1 Microwave integrated distributed amplifier with field emission triodes |
10/19/1989 | WO1989010004A1 Plasma x-ray tube, in particular for x-ray preionizing gas lasers, process for producing x-ray radiation with said x-ray tube and use of said x-ray tube |
10/19/1989 | WO1989010003A1 Plasma x-ray tube, in particular for x-ray preionizing of gas lasers, and use as electron gun |
10/17/1989 | US4874981 Automatically focusing field emission electrode |
10/11/1989 | EP0336282A1 Plasma X-ray tube, especially for X-ray-preionization of gas lasers, method for generating X-rays with such an X-ray tube and usage of the latter |
10/10/1989 | US4873468 Multiple sheet beam gridded electron gun |
10/03/1989 | US4871918 Hollow-anode ion-electron source |
08/15/1989 | US4858237 Electron beam apparatus |
07/20/1989 | DE3817897A1 Die erzeugung und handhabung von ladungsgebilden hoher ladungsdichte The generation and handling of cargo structures of high charge density |
07/20/1989 | DE3803737A1 Elektronenbuendel sowie anordnung zum erzeugen derselben Elektronenbuendel and arrangement for producing the same |
07/19/1989 | CN1034092A Production and manipulation of high charge density |
07/19/1989 | CN1034091A Production and manipulation of high charge density |
07/13/1989 | WO1989006434A1 Production and manipulation of high charge density |
07/12/1989 | EP0323898A2 Cathod assembly for mounting in an electron gun |
07/11/1989 | US4847502 Dual cathode system for electron beam instruments |
07/04/1989 | US4845365 Process and apparatus for producing electrons using a field coupling and the photoelectric effect |
05/30/1989 | US4835438 Source of spin polarized electrons using an emissive micropoint cathode |
05/05/1989 | WO1989004087A1 Microwave integrated distributed amplifier with field emission triodes |
04/25/1989 | US4825082 Electron emitting apparatus |
04/19/1989 | EP0312007A2 Electron beam emitting device and image displaying device by use thereof |
04/18/1989 | US4823003 Charged particle optical systems having therein means for correcting aberrations |
03/15/1989 | EP0185045B1 Wire-ion-plasma electron gun employing auxiliary grid |
02/07/1989 | US4803398 Electron gun with one directly heatable and one indirectly heatable cathode |
02/01/1989 | EP0301545A2 Surface conduction electron-emitting device |
01/25/1989 | EP0300932A1 Electron source |
01/18/1989 | EP0185074B1 Radial geometry electron beam controlled switch utilizing wire-ion-plasma electron source and such a source |
01/17/1989 | US4798957 Electron beam apparatus comprising an anode which is included in the cathode/Wehnelt unit |
01/17/1989 | CA1249012A1 Electron-beam device and semiconductor device for use in such an electron-beam device |
01/11/1989 | EP0298817A1 Process and device for the production of electrons using a field coupling and the photoelectric effect |
01/03/1989 | US4795912 Method and apparatus for correcting chromatic aberration in charged particle beams |
12/27/1988 | US4794412 Vertical line width control ionographic system |
11/22/1988 | US4786844 Wire ion plasma gun |
11/09/1988 | EP0290026A1 Electron emission device |
10/25/1988 | US4780684 Microwave integrated distributed amplifier with field emission triodes |
10/11/1988 | US4777370 Electron gun operating by secondary emission under ionic bombardment |
09/14/1988 | EP0018402B1 Zero-bias gridded gun |
08/31/1988 | EP0279952A1 Charged particle source |
08/17/1988 | EP0278405A2 Electron emission element and method of manufacturing the same |
08/10/1988 | EP0277203A1 System for controlling the respective emission currents from a plurality of cathodes of an ion source device and ion propulsion motor. |
08/09/1988 | US4763003 Method and apparatus for correcting high-order abberations in particle beams |
07/26/1988 | US4760567 Electron beam memory system with ultra-compact, high current density electron gun |
07/05/1988 | US4755722 Ion plasma electron gun |
06/22/1988 | EP0272178A1 Spin-polarized electron source using a multiple microtip emission cathode, use in electron matter or electron particle interaction physics, plasma physics, electron microscopy |
06/22/1988 | CN87105372A Emitting current control system of multi-hollow cathodes |
06/07/1988 | US4749911 Ion plasma electron gun with dose rate control via amplitude modulation of the plasma discharge |
06/07/1988 | US4749906 Multiple beam lasertron |
05/31/1988 | US4748378 Ionized channel generation of an intense-relativistic electron beam |