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Electron guns using thermionic emission of cathode heated by electron or ion bombardment or by irradiation by other energetic beams

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  • H01J3/024
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HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J3/00Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps

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H01J3/024Electron guns using thermionic emission of cathode heated by electron or ion bombardment or by irradiation by other energetic beams
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Electron gun
    • Patent number 10,950,407
    • Issue date Mar 16, 2021
    • New Japan Radio Co., Ltd.
    • Toru Kimura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    External grid-controlled hot cathode array electron gun
    • Patent number 10,818,464
    • Issue date Oct 27, 2020
    • Nuctech Company Limited
    • Wenhui Huang
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electron guns for electron beam tools
    • Patent number 10,573,481
    • Issue date Feb 25, 2020
    • NUFLARE TECHNOLOGY, INC.
    • Victor Katsap
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electron gun, method of controlling same, and electron beam additiv...
    • Patent number 9,269,520
    • Issue date Feb 23, 2016
    • Jeol Ltd.
    • Takashi Satoh
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Inspection apparatus
    • Patent number 8,742,344
    • Issue date Jun 3, 2014
    • Ebara Corporation
    • Masahiro Hatakeyama
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Electron source for ionization with leakage current suppression
    • Patent number 7,701,123
    • Issue date Apr 20, 2010
    • Varian, Inc.
    • Gregory J. Wells
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Laser based electron beam gun
    • Patent number 6,781,300
    • Issue date Aug 24, 2004
    • Ralf Klaus Edinger
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electron gun and electron beam exposure device
    • Patent number 6,707,240
    • Issue date Mar 16, 2004
    • Nikon Corporation
    • Mamoru Nakasuji
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Optical coupling to gated photocathodes
    • Patent number 6,399,934
    • Issue date Jun 4, 2002
    • Applied Materials, Inc.
    • Jeffrey S. Sullivan
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    RF electron gun with cathode activating device
    • Patent number 5,097,178
    • Issue date Mar 17, 1992
    • Mitsubishi Denki Kabushiki Kaisha
    • Susumu Nishihara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electron beam generator and electronic devices using such a generator
    • Patent number 5,045,749
    • Issue date Sep 3, 1991
    • Thomson Tubes Electroniques
    • Henri Desmur
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Wire ion plasma gun
    • Patent number 4,786,844
    • Issue date Nov 22, 1988
    • RPC Industries
    • Sherman R. Farrell
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electron beam heated thermionic cathode
    • Patent number 4,583,023
    • Issue date Apr 15, 1986
    • Avco Everett Research Laboratory, Inc.
    • Herbert W. Friedman
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Laser generated high electron density source
    • Patent number 4,346,330
    • Issue date Aug 24, 1982
    • Thermo Electron Corporation
    • Chunghsin Lee
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3864572
    • Patent number 3,864,572
    • Issue date Feb 4, 1975
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3474281
    • Patent number 3,474,281
    • Issue date Oct 21, 1969
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3474282
    • Patent number 3,474,282
    • Issue date Oct 21, 1969
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3453480
    • Patent number 3,453,480
    • Issue date Jul 1, 1969
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3440475
    • Patent number 3,440,475
    • Issue date Apr 22, 1969
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3388280
    • Patent number 3,388,280
    • Issue date Jun 11, 1968
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3333146
    • Patent number 3,333,146
    • Issue date Jul 25, 1967
    • G02 - OPTICS
  • Information Patent Grant

    2953700
    • Patent number 2,953,700
    • Issue date Sep 20, 1960
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    2912616
    • Patent number 2,912,616
    • Issue date Nov 10, 1959
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2888591
    • Patent number 2,888,591
    • Issue date May 26, 1959
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2814751
    • Patent number 2,814,751
    • Issue date Nov 26, 1957
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2534571
    • Patent number 2,534,571
    • Issue date Dec 19, 1950
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2421767
    • Patent number 2,421,767
    • Issue date Jun 10, 1947
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    2239416
    • Patent number 2,239,416
    • Issue date Apr 22, 1941
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    455069
    • Patent number 455,069
    • Issue date Jun 30, 1891
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents