Hollow cathodes

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H01J1/025

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HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J1/00Details 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

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H01J1/025Hollow cathodes

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Electron gun
- Patent number 12,272,514
- Issue date Apr 8, 2025
- Shanghai United Imaging Healthcare Co., Ltd.
- Ruiying Song
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus for reducing the work function of polycrystall...
- Patent number 12,237,137
- Issue date Feb 25, 2025
- California Institute of Technology
- Pedro P. Guerrero Vela
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Microplasma-based heaterless, insertless cathode
- Patent number 12,078,154
- Issue date Sep 3, 2024
- The Board of Trustees of the University of Alabama, for and on behalf of the...
- Kunning Gabriel Xu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Hollow cathode, an apparatus including a hollow cathode for manufac...
- Patent number 11,798,788
- Issue date Oct 24, 2023
- Samsung Electronics Co., Ltd.
- Sang Ki Nam
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Heaters for hollow cathodes
- Patent number 11,488,799
- Issue date Nov 1, 2022
- PIPL LIMITED
- Maxym Polyakov
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Stepped indirectly heated cathode with improved shielding
- Patent number 11,244,800
- Issue date Feb 8, 2022
- Axcelis Technologies, Inc.
- Wilhelm Platow
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High efficiency hollow cathode and cathode system applying same
- Patent number 10,032,594
- Issue date Jul 24, 2018
- Korea Advanced Institute of Science and Technology
- Wonho Choe
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Partially insulated cathode
- Patent number 9,659,732
- Issue date May 23, 2017
- Honeywell International Inc.
- Matthew Clark
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Partially insulated cathode
- Patent number 9,627,166
- Issue date Apr 18, 2017
- Honeywell International Inc.
- Matthew Clark
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
12CaO-7Al2O3 electride hollow cathode
- Patent number 9,552,952
- Issue date Jan 24, 2017
- Colorado State University Research Foundation
- Lauren P. Rand
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laser-sustained plasma light source
- Patent number 9,526,158
- Issue date Dec 20, 2016
- KLA-Tencor Corporation
- Ilya Bezel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laser-sustained plasma light source
- Patent number 9,516,733
- Issue date Dec 6, 2016
- KLA-Tencor Corporation
- Ilya Bezel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
12CaO-7Al2O3 electride hollow cathode
- Patent number 9,305,733
- Issue date Apr 5, 2016
- Colorado State University Research Foundation
- Lauren P. Rand
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrode for dielectric barrier discharge treatment of a substrate
- Patent number 9,236,211
- Issue date Jan 12, 2016
- Oce-Technologies B.V.
- Herman Kuypers
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Systems and methods for enhancing electrical discharge
- Patent number 8,344,338
- Issue date Jan 1, 2013
- Applied Energetics, Inc.
- Paul B. Lundquist
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of making arrays of thin sheet microdischarge devices
- Patent number 8,221,179
- Issue date Jul 17, 2012
- The Board of Trustees of the University of Illinois
- J. Gary Eden
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Compact high current rare-earth emitter hollow cathode for hall eff...
- Patent number 8,143,788
- Issue date Mar 27, 2012
- California Institute of Technology
- Richard R. Hofer
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Apparatus and process for generating, accelerating and propagating...
- Patent number 7,872,406
- Issue date Jan 18, 2011
- Francesco Cina Matacotta
- Francesco Cino Matacotta
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Industrial hollow cathode
- Patent number 7,728,498
- Issue date Jun 1, 2010
- Kaufman & Robinson, Inc.
- Chris M. Shonka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Industrial hollow cathode with radiation shield structure
- Patent number 7,667,379
- Issue date Feb 23, 2010
- Kaufman & Robinson, Inc.
- Harold R. Kaufman
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Roll to roll method of making microdischarge devices and arrays
- Patent number 7,638,937
- Issue date Dec 29, 2009
- Board of Trustees of the University Illinois
- J. Gary Eden
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Metal/dielectric multilayer microdischarge devices and arrays
- Patent number 7,573,202
- Issue date Aug 11, 2009
- The Board of Trustees of the University of Illinois
- J. Gary Eden
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
AC-excited microcavity discharge device and method
- Patent number 7,477,017
- Issue date Jan 13, 2009
- The Board of Trustees of the University of Illinois
- J. Gary Eden
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Channel spark source for generating a stable focused electron beam
- Patent number 7,183,564
- Issue date Feb 27, 2007
- Forschungszentrum Karlsruhe GmbH
- Christoph Schulteiss
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Field emission assisted microdischarge devices
- Patent number 7,126,266
- Issue date Oct 24, 2006
- The Board of Trustees of the University of Illinois
- Sung-Jin Park
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Discharge lamps using hollow cathodes with integrated getters and m...
- Patent number 6,916,223
- Issue date Jul 12, 2005
- S.A.E.S. Getters S.p.A.
- Alessandro Gallitognotta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Microdischarge devices and arrays
- Patent number 6,867,548
- Issue date Mar 15, 2005
- Board of Trustees of the University of Illinois
- J. Gary Eden
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Design and manufacturing processes of long-life hollow cathode asse...
- Patent number 6,829,920
- Issue date Dec 14, 2004
- The United States of America as represented by the administrator of the Natio...
- Michael J. Patterson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for testing a xenon gas feed system of a hollow cathode ass...
- Patent number 6,729,174
- Issue date May 4, 2004
- The United States of America as represented by the administrator of the Natio...
- Michael J. Patterson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Microdischarge devices and arrays
- Patent number 6,695,664
- Issue date Feb 24, 2004
- Board of Trustees of the University of Illinois
- J. Gary Eden
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ELECTRON GUN
- Publication number 20250232940
- Publication date Jul 17, 2025
- Shanghai United Imaging Healthcare Co., Ltd.
- Ruiying SONG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRON GUN
- Publication number 20240006142
- Publication date Jan 4, 2024
- Shanghai United Imaging Healthcare Co., Ltd.
- Ruiying SONG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD AND APPARATUS FOR REDUCING THE WORK FUNCTION OF POLYCRYSTALL...
- Publication number 20220328274
- Publication date Oct 13, 2022
- California Institute of Technology
- Pedro P. GUERRERO VELA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
STEPPED INDIRECTLY HEATED CATHODE WITH IMPROVED SHIELDING
- Publication number 20210398765
- Publication date Dec 23, 2021
- Axcelis Technologies, Inc.
- Wilhelm Platow
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HOLLOW CATHODE, AN APPARATUS INCLUDING A HOLLOW CATHODE FOR MANUFAC...
- Publication number 20210057193
- Publication date Feb 25, 2021
- Samsung Electronics Co., Ltd.
- Sang Ki Nam
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HOLLOW CATHODE, AN APPARATUS INCLUDING A HOLLOW CATHODE FOR MANUFAC...
- Publication number 20190122867
- Publication date Apr 25, 2019
- Samsung Electronics Co., Ltd.
- Sang Ki Nam
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
High Efficiency Hollow Cathode and Cathode System Applying Same
- Publication number 20160365215
- Publication date Dec 15, 2016
- Korea Advanced Institute of Science and Technology
- Wonho Choe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
12CaO-7Al2O3 ELECTRIDE HOLLOW CATHODE
- Publication number 20160217961
- Publication date Jul 28, 2016
- Colorado State University Research Foundation
- Lauren P. Rand
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PARTIALLY INSULATED CATHODE
- Publication number 20160042906
- Publication date Feb 11, 2016
- Honeywell International Inc.
- Matthew Clark
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRODE FOR DIELECTRIC BARRIER DISCHARGE TREATMENT OF A SUBSTRATE
- Publication number 20150115791
- Publication date Apr 30, 2015
- OCE-TECHNOLOGIES B.V.
- Herman KUYPERS
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
12CaO-7Al2O3 ELECTRIDE HOLLOW CATHODE
- Publication number 20140354138
- Publication date Dec 4, 2014
- Lauren P. Rand
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SYSTEMS AND METHODS FOR ENHANCING ELECTRICAL DISCHARGE
- Publication number 20120280610
- Publication date Nov 8, 2012
- Paul B. Lundquist
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRODES
- Publication number 20090226752
- Publication date Sep 10, 2009
- David Steven Barratt
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Apparatus and Process for Generating, Accelerating and Propagating...
- Publication number 20090066212
- Publication date Mar 12, 2009
- Francesco Cino Matacotta
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
COMPACT HIGH CURRENT RARE-EARTH EMITTER HOLLOW CATHODE FOR HALL EFF...
- Publication number 20090058305
- Publication date Mar 5, 2009
- California Institute of Technology
- Richard R. Hofer
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
AC-EXCITED MICROCAVITY DISCHARGE DEVICE AND METHOD
- Publication number 20080290799
- Publication date Nov 27, 2008
- THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS
- J. Gary Eden
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method of making arrays of thin sheet microdischarge devices
- Publication number 20080119105
- Publication date May 22, 2008
- J. Gary Eden
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Industrial hollow cathode
- Publication number 20070222358
- Publication date Sep 27, 2007
- Kaufman & Robinson, Inc.
- Chris M. Shonka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Industrial hollow cathode with radiation shield structure
- Publication number 20060132017
- Publication date Jun 22, 2006
- Kaufman & Robinson, Inc.
- Harold R. Kaufman
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Metal/dielectric multilayer microdischarge devices and arrays
- Publication number 20060082319
- Publication date Apr 20, 2006
- J. Gary Eden
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Field emission assisted microdischarge devices
- Publication number 20060012277
- Publication date Jan 19, 2006
- The Board of trustees of the University of Illinois
- Sung-Jin Park
- B82 - NANO-TECHNOLOGY
Information Patent Application
Microdischarge devices and arrays
- Publication number 20050148270
- Publication date Jul 7, 2005
- Board of Trustees of the University of Illinois
- J. Gary Eden
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Hollow cathodes with getter layers on inner and outer surfaces
- Publication number 20050136786
- Publication date Jun 23, 2005
- Alessandro Gallitognotta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Channel spark source for generating a stable focussed electron beam
- Publication number 20050012441
- Publication date Jan 20, 2005
- Christoph Schulteiss
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Discharge lamps using hollow cathodes with integrated getters and m...
- Publication number 20040164680
- Publication date Aug 26, 2004
- SAES GETTERS S.p.A.
- Alessandro Gallitognotta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Microdischarge devices and arrays
- Publication number 20040160162
- Publication date Aug 19, 2004
- Board of Trustees of the University of Illinois
- J. Gary Eden
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Industrial hollow cathode
- Publication number 20040000853
- Publication date Jan 1, 2004
- Harold R. Kaufman
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Discharge lamps using hollow cathodes with integrated getters and m...
- Publication number 20030090202
- Publication date May 15, 2003
- Alessandro Gallitognotta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Microdischarge devices and arrays
- Publication number 20030080688
- Publication date May 1, 2003
- J. Gary Eden
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Discharge device having cathode with micro hollow array
- Publication number 20020036461
- Publication date Mar 28, 2002
- Osram Sylvania Inc.
- Karl H. Schoenbach
- H01 - BASIC ELECTRIC ELEMENTS

Hollow cathodes

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Electron gun

Method and apparatus for reducing the work function of polycrystall...

Microplasma-based heaterless, insertless cathode

Hollow cathode, an apparatus including a hollow cathode for manufac...

Heaters for hollow cathodes

Stepped indirectly heated cathode with improved shielding

High efficiency hollow cathode and cathode system applying same

Partially insulated cathode

Partially insulated cathode

12CaO-7Al2O3 electride hollow cathode

Laser-sustained plasma light source

Laser-sustained plasma light source

12CaO-7Al2O3 electride hollow cathode

Electrode for dielectric barrier discharge treatment of a substrate

Systems and methods for enhancing electrical discharge

Method of making arrays of thin sheet microdischarge devices

Compact high current rare-earth emitter hollow cathode for hall eff...

Apparatus and process for generating, accelerating and propagating...

Industrial hollow cathode

Industrial hollow cathode with radiation shield structure

Roll to roll method of making microdischarge devices and arrays

Metal/dielectric multilayer microdischarge devices and arrays

AC-excited microcavity discharge device and method

Channel spark source for generating a stable focused electron beam

Field emission assisted microdischarge devices

Discharge lamps using hollow cathodes with integrated getters and m...

Microdischarge devices and arrays

Design and manufacturing processes of long-life hollow cathode asse...

Process for testing a xenon gas feed system of a hollow cathode ass...

Microdischarge devices and arrays

Patents Applicationslast 30 patents

ELECTRON GUN

ELECTRON GUN

METHOD AND APPARATUS FOR REDUCING THE WORK FUNCTION OF POLYCRYSTALL...

STEPPED INDIRECTLY HEATED CATHODE WITH IMPROVED SHIELDING

HOLLOW CATHODE, AN APPARATUS INCLUDING A HOLLOW CATHODE FOR MANUFAC...

HOLLOW CATHODE, AN APPARATUS INCLUDING A HOLLOW CATHODE FOR MANUFAC...

High Efficiency Hollow Cathode and Cathode System Applying Same

12CaO-7Al2O3 ELECTRIDE HOLLOW CATHODE

PARTIALLY INSULATED CATHODE

ELECTRODE FOR DIELECTRIC BARRIER DISCHARGE TREATMENT OF A SUBSTRATE

12CaO-7Al2O3 ELECTRIDE HOLLOW CATHODE

SYSTEMS AND METHODS FOR ENHANCING ELECTRICAL DISCHARGE

ELECTRODES

Apparatus and Process for Generating, Accelerating and Propagating...

COMPACT HIGH CURRENT RARE-EARTH EMITTER HOLLOW CATHODE FOR HALL EFF...

AC-EXCITED MICROCAVITY DISCHARGE DEVICE AND METHOD

Method of making arrays of thin sheet microdischarge devices

Industrial hollow cathode

Industrial hollow cathode with radiation shield structure

Metal/dielectric multilayer microdischarge devices and arrays

Field emission assisted microdischarge devices

Microdischarge devices and arrays

Hollow cathodes with getter layers on inner and outer surfaces

Channel spark source for generating a stable focussed electron beam

Discharge lamps using hollow cathodes with integrated getters and m...

Microdischarge devices and arrays

Industrial hollow cathode

Discharge lamps using hollow cathodes with integrated getters and m...

Microdischarge devices and arrays

Discharge device having cathode with micro hollow array