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Ka-Ngo Leung

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  • Hercules, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Plasma driven neutron/gamma generator
    • Patent number 8,971,473
    • Issue date Mar 3, 2015
    • Sandia Corporation
    • Ka-Ngo Leung
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Gamma source for active interrogation
    • Patent number 8,279,993
    • Issue date Oct 2, 2012
    • The Regents of the University of California
    • Ka-Ngo Leung
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Cylindrical neutron generator
    • Patent number 7,639,770
    • Issue date Dec 29, 2009
    • The Regents of the University of California
    • Ka-Ngo Leung
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    High brightness—multiple beamlets source for patterned X-ray produc...
    • Patent number 7,609,815
    • Issue date Oct 27, 2009
    • The Regents of the University of California
    • Ka-Ngo Leung
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Gamma source for active interrogation
    • Patent number 7,596,197
    • Issue date Sep 29, 2009
    • The Regents of the University of California
    • Ka-Ngo Leung
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Cylindrical neutron generator
    • Patent number 7,362,842
    • Issue date Apr 22, 2008
    • Regents of the University of California
    • Ka-Ngo Leung
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
  • Information Patent Grant

    Neutron tubes
    • Patent number 7,342,988
    • Issue date Mar 11, 2008
    • The Regents of the University of California
    • Ka-Ngo Leung
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Matching network for RF plasma source
    • Patent number 7,298,091
    • Issue date Nov 20, 2007
    • The Regents of the University of California
    • Daniel S. Pickard
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Negative ion source with external RF antenna
    • Patent number 7,176,469
    • Issue date Feb 13, 2007
    • The Regents of the University of California
    • Ka-Ngo Leung
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Spherical neutron generator
    • Patent number 7,139,349
    • Issue date Nov 21, 2006
    • The Regents of the University of California
    • Ka-Ngo Leung
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
  • Information Patent Grant

    Ion beam extractor with counterbore
    • Patent number 7,084,407
    • Issue date Aug 1, 2006
    • The Regents of the University of California
    • Qing Ji
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Ultra-short ion and neutron pulse production
    • Patent number 6,985,553
    • Issue date Jan 10, 2006
    • The Regents of the University of California
    • Ka-Ngo Leung
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Positive and negative ion beam merging system for neutral beam prod...
    • Patent number 6,974,950
    • Issue date Dec 13, 2005
    • The Regents of the University of California
    • Ka-Ngo Leung
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
  • Information Patent Grant

    Ion source with external RF antenna
    • Patent number 6,975,072
    • Issue date Dec 13, 2005
    • The Regents of the University of California
    • Ka-Ngo Leung
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Ion beam lithography system
    • Patent number 6,924,493
    • Issue date Aug 2, 2005
    • The Regents of the University of California
    • Ka-Ngo Leung
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Microwave ion source
    • Patent number 6,922,019
    • Issue date Jul 26, 2005
    • The Regents of the University of California
    • Ka-Ngo Leung
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Cylindrical neutron generator
    • Patent number 6,907,097
    • Issue date Jun 14, 2005
    • The Regents of the University of California
    • Ka-Ngo Leung
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
  • Information Patent Grant

    Maskless micro-ion-beam reduction lithography system
    • Patent number 6,888,146
    • Issue date May 3, 2005
    • The Regents of the University of California
    • Ka-Ngo Leung
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Compact neutron generator
    • Patent number 6,870,894
    • Issue date Mar 22, 2005
    • The Regents of the University of California
    • Ka-Ngo Leung
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Focused electron and ion beam systems
    • Patent number 6,768,120
    • Issue date Jul 27, 2004
    • The Regents of the University of California
    • Ka-Ngo Leung
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Plasma formed ion beam projection lithography system
    • Patent number 6,486,480
    • Issue date Nov 26, 2002
    • The Regents of the University of California
    • Ka-Ngo Leung
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Quartz antenna with hollow conductor
    • Patent number 6,376,978
    • Issue date Apr 23, 2002
    • The Regents of the University of California
    • Ka-Ngo Leung
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Glass antenna for RF-ion source operation
    • Patent number 6,124,834
    • Issue date Sep 26, 2000
    • The Regents of the University of California
    • Ka Ngo Leung
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Low energy spread ion source with a coaxial magnetic filter
    • Patent number 6,094,012
    • Issue date Jul 25, 2000
    • The Regents of the University of California
    • Ka-Ngo Leung
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Focused ion beam system
    • Patent number 5,945,677
    • Issue date Aug 31, 1999
    • The Regents of the University of California
    • Ka-Ngo Leung
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Porcelain-coated antenna for radio-frequency driven plasma source
    • Patent number 5,587,226
    • Issue date Dec 24, 1996
    • Regents, University of California
    • Ka-Ngo Leung
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Broad beam ion implanter
    • Patent number 5,563,418
    • Issue date Oct 8, 1996
    • Regents, University of California
    • Ka-Ngo Leung
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Pulsed source ion implantation apparatus and method
    • Patent number 5,558,718
    • Issue date Sep 24, 1996
    • The Regents, University of California
    • Ka-Ngo Leung
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Selective ion source
    • Patent number 5,517,084
    • Issue date May 14, 1996
    • The Regents, University of California
    • Ka-Ngo Leung
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Negative ion beam injection apparatus with magnetic shield and elec...
    • Patent number 5,365,070
    • Issue date Nov 15, 1994
    • The Regents of the University of California
    • Oscar A. Anderson
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Fast Pulsed Neutron Generator
    • Publication number 20120213319
    • Publication date Aug 23, 2012
    • The Regents of the University of California
    • Joe Kwan
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    PLASMA DRIVEN NEUTRON/GAMMA GENERATOR
    • Publication number 20110096885
    • Publication date Apr 28, 2011
    • The Regents of the University of California
    • Ka-Ngo Leung
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    GAMMA SOURCE FOR ACTIVE INTERROGATION
    • Publication number 20100172458
    • Publication date Jul 8, 2010
    • Regents of the University of California
    • Ka-Ngo Leung
    • G01 - MEASURING TESTING
  • Information Patent Application

    5 NS OR LESS NEUTRON AND GAMMA PULSE GENERATOR
    • Publication number 20100025573
    • Publication date Feb 4, 2010
    • The Regents of the University of California
    • Sami K. Hahto
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Cylindrical Neutron Generator
    • Publication number 20090262881
    • Publication date Oct 22, 2009
    • Ka-Ngo Leung
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    GAMMA SOURCE FOR ACTIVE INTERROGATION
    • Publication number 20090230314
    • Publication date Sep 17, 2009
    • Ka-Ngo Leung
    • G01 - MEASURING TESTING
  • Information Patent Application

    Neutron tubes
    • Publication number 20080080659
    • Publication date Apr 3, 2008
    • Ka-Ngo Leung
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    High Brightness - Multiple Beamlets Source for Patterned X-ray Prod...
    • Publication number 20080049888
    • Publication date Feb 28, 2008
    • Ka-Ngo Leung
    • G01 - MEASURING TESTING
  • Information Patent Application

    10B(d,n)11C REACTION BASED NEUTRON GENERATOR
    • Publication number 20070242790
    • Publication date Oct 18, 2007
    • The Regents of the University of California
    • Tak Pui Lou
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Cylindrical neutron generator
    • Publication number 20050220244
    • Publication date Oct 6, 2005
    • The Regents of the University of California.
    • Ka-Ngo Leung
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Ultra-short ion and neutron pulse production
    • Publication number 20040146133
    • Publication date Jul 29, 2004
    • Ka-Ngo Leung
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Negative ion source with external RF antenna
    • Publication number 20040104683
    • Publication date Jun 3, 2004
    • Ka-Ngo Leung
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Universal pattern generator with multiplex addressing
    • Publication number 20040051053
    • Publication date Mar 18, 2004
    • William A. Barletta
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Focused electron and ion beam systems
    • Publication number 20040036032
    • Publication date Feb 26, 2004
    • Ka-Ngo Leung
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Compact neutron generator
    • Publication number 20040022341
    • Publication date Feb 5, 2004
    • Ka-Ngo Leung
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Neutron tubes
    • Publication number 20030234355
    • Publication date Dec 25, 2003
    • Ka-Ngo Leung
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Ion source with external RF antenna
    • Publication number 20030218430
    • Publication date Nov 27, 2003
    • Ka-Ngo Leung
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Ion beam extractor with counterbore
    • Publication number 20030168608
    • Publication date Sep 11, 2003
    • Qing Ji
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Matching network for RF plasma source
    • Publication number 20030146803
    • Publication date Aug 7, 2003
    • Daniel S. Pickard
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Positive and negative ion beam merging system for neutral beam prod...
    • Publication number 20030042411
    • Publication date Mar 6, 2003
    • Ka-Ngo Leung
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
  • Information Patent Application

    Microwave ion source
    • Publication number 20030006708
    • Publication date Jan 9, 2003
    • Ka-Ngo Leung
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Compact high flux neutron generator
    • Publication number 20020150193
    • Publication date Oct 17, 2002
    • Ka-Ngo Leung
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    spherical neutron generator
    • Publication number 20020131542
    • Publication date Sep 19, 2002
    • Ka-Ngo Leung
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
  • Information Patent Application

    Cylindrical neutron generator
    • Publication number 20020131543
    • Publication date Sep 19, 2002
    • Ka-Ngo Leung
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING