Solid thermionic cathodes

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CPC
H01J1/13

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Parent Industries

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

Current Industry

H01J1/13Solid thermionic cathodes

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Method for tuning work function using surface photo voltage and pro...
- Patent number 12,046,439
- Issue date Jul 23, 2024
- The Board of Trustees of the Leland Stanford Junior University
- Daniel Riley
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Charged particle beam device
- Patent number 11,348,758
- Issue date May 31, 2022
- HITACHI HIGH-TECH CORPORATION
- Anoru Suga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for tuning work function using surface photovoltage and prod...
- Patent number 11,205,554
- Issue date Dec 21, 2021
- The Board of Trustees of the Leland Stanford Junior University
- Daniel Riley
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Estimation of cathode space current for a thermionic vacuum tube us...
- Patent number 11,152,181
- Issue date Oct 19, 2021
- Panayotis Tsambos
- Panayotis Tsambos
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus for generating electron radiation and three-dimensional p...
- Patent number 10,994,365
- Issue date May 4, 2021
- Vitalij Lissotschenko
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Ion generation device and ion detection device
- Patent number 9,881,763
- Issue date Jan 30, 2018
- Ricoh Company, Ltd.
- Katsuya Ujimoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Impregnated yttric or gadolinium-containing Barium-aluminum-scandat...
- Patent number 9,349,561
- Issue date May 24, 2016
- Beijing University of Technology
- Jinshu Wang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of making and use of an automatic system to increase the ope...
- Patent number 9,275,818
- Issue date Mar 1, 2016
- Mark A. Zeh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High frequency cathode heater supply for a microwave source
- Patent number 8,976,542
- Issue date Mar 10, 2015
- E2V Technologies (UK) Limited
- Robert Richardson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode selection method
- Patent number 8,968,045
- Issue date Mar 3, 2015
- NuFlare Technology, Inc.
- Kenichi Saito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron beam focusing electrode and electron gun using the same
- Patent number 8,912,505
- Issue date Dec 16, 2014
- Samsung Electronics Co., Ltd.
- Chan Wook Baik
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Apparatus and methods for capacitively coupled plasma vapor process...
- Patent number 8,910,591
- Issue date Dec 16, 2014
- Micron Technology, Inc.
- Mark Kiehlbauch
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode heating device of magnetron, microwave generating device an...
- Patent number 8,664,860
- Issue date Mar 4, 2014
- Furuno Electric Company, Limited
- Dai Takemoto
- G01 - MEASURING TESTING
Information Patent Grant
Micro-cone targets for producing high energy and low divergence par...
- Patent number 8,530,852
- Issue date Sep 10, 2013
- Board of Regents of the Nevada System of Higher Education, on Behalf of the U...
- Nathalie Le Galloudec
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus and methods for capacitively coupled plasma vapor process...
- Patent number 8,375,890
- Issue date Feb 19, 2013
- Micron Technology, Inc.
- Mark Kiehlbauch
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron beam focusing electrode and electron gun using the same
- Patent number 8,304,743
- Issue date Nov 6, 2012
- Samsung Electronics Co., Ltd.
- Chan Wook Baik
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Thermionic electron emitter and X-ray source including same
- Patent number 8,254,526
- Issue date Aug 28, 2012
- Koninklijke Philips Electronics N.V.
- Stefan Hauttmann
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thermionic electron emitter, method for preparing same and X-ray so...
- Patent number 8,183,756
- Issue date May 22, 2012
- Koninklijke Philips Electronics N.V.
- Zoryana Terletska
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thermal electron emitter and thermal electron emission device using...
- Patent number 8,084,927
- Issue date Dec 27, 2011
- Tsinghua University
- Lin Xiao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of producing a high voltage stable cathode for an X-ray tube
- Patent number 8,040,035
- Issue date Oct 18, 2011
- General Electric Company
- Sergio Lemaitre
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Power supply unit, high-frequency circuit system and heater voltage...
- Patent number 7,800,311
- Issue date Sep 21, 2010
- Netcomsec Co. Ltd.
- Akira Chiba
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Thermionic emission device
- Patent number 7,772,755
- Issue date Aug 10, 2010
- Tsinghua University
- Peng Liu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High voltage stable cathode for x-ray tube
- Patent number 7,576,481
- Issue date Aug 18, 2009
- General Electric Co.
- Sergio Lemaitre
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Filament assembly having reduced electron beam time constant
- Patent number 7,539,286
- Issue date May 26, 2009
- Varian Medical Systems, Inc.
- Steve Bandy
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Solid state vacuum devices
- Patent number 7,397,175
- Issue date Jul 8, 2008
- Ruey-Jen Hwu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thermoelectric control for field emission display
- Patent number 7,268,004
- Issue date Sep 11, 2007
- Micron Technology, Inc.
- John K. Lee
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Solid state vacuum devices and method for making the same
- Patent number 6,995,502
- Issue date Feb 7, 2006
- InnoSys, Inc.
- Ruey-Jen Hwu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power supply for a hot-filament cathode
- Patent number 6,911,789
- Issue date Jun 28, 2005
- Kaufman & Robinson, Inc.
- Steven J. Geissler
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Multiple stage depressed collector (MSDC) klystron based amplifier...
- Patent number 6,870,318
- Issue date Mar 22, 2005
- Communications and Power Industries, SATCOM division
- Michael J. Cascone
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Fluorescent luminous tube
- Patent number 6,812,643
- Issue date Nov 2, 2004
- FUTABA CORPORATION
- Hiroaki Kawasaki
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ELECTRON BEAM GENERATOR, ELECTRON BEAM EMISSION DEVICE AND X-RAY EM...
- Publication number 20230147125
- Publication date May 11, 2023
- Hamamatsu Photonics K.K.
- Dai HARAGUCHI
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
Method For Tuning Work Function Using Surface Photo Voltage and Pro...
- Publication number 20220093357
- Publication date Mar 24, 2022
- Daniel Riley
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ESTIMATION OF CATHODE SPACE CURRENT FOR A THERMIONIC VACUUM TUBE US...
- Publication number 20190362926
- Publication date Nov 28, 2019
- Panayotis Tsambos
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CATHODE SELECTION METHOD
- Publication number 20140117839
- Publication date May 1, 2014
- NuFlare Technology, Inc.
- Kenichi SAITO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRON BEAM FOCUSING ELECTRODE AND ELECTRON GUN USING THE SAME
- Publication number 20130193340
- Publication date Aug 1, 2013
- Seoul National University Industry Foundation
- Chan Wook BAIK
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
ARC DEVICES AND MOVING ARC COUPLES
- Publication number 20130162136
- Publication date Jun 27, 2013
- David A. Baldwin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
APPARATUS AND METHODS FOR CAPACITIVELY COUPLED PLASMA VAPOR PROCESS...
- Publication number 20130154479
- Publication date Jun 20, 2013
- Micron Technology, Inc.
- Mark Kiehlbauch
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Impregnated Yttric or Gadolinium-Containing Barium-Aluminum-Scandat...
- Publication number 20130105742
- Publication date May 2, 2013
- BEIJING UNIVERSITY OF TECHNOLOGY
- Jinshu Wang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRODE FOR HOT CATHODE FLUORESCENT LAMP AND HOT CATHODE FLUORESC...
- Publication number 20130088141
- Publication date Apr 11, 2013
- Naomichi MIYAKAWA
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
HIGH FREQUENCY CATHODE HEATER SUPPLY FOR A MICROWAVE SOURCE
- Publication number 20120280619
- Publication date Nov 8, 2012
- E2V TECNOLOGIES (UK) LIMITED
- Robert Richardson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CATHODE HEATING DEVICE OF MAGNETRON, MICROWAVE GENERATING DEVICE AN...
- Publication number 20110221345
- Publication date Sep 15, 2011
- Dai TAKEMOTO
- G01 - MEASURING TESTING
Information Patent Application
MICRO-CONE TARGETS FOR PRODUCING HIGH ENERGY AND LOW DIVERGENCE PAR...
- Publication number 20110147607
- Publication date Jun 23, 2011
- BOARD OF REGENTS OF THE NEVADA SYSTEM OF HIGHER EDUCATION, ON BEHALF OF THE U...
- Nathalie Le Galloudec
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
THERMIONIC ELECTRON EMITTER, METHOD FOR PREPARING SAME AND X-RAY SO...
- Publication number 20100207508
- Publication date Aug 19, 2010
- Koninklijke Philips Electronics N.V.
- Zoryana Terletska
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
THERMIONIC ELECTRON EMITTER AND X-RAY SOUCE INCLUDING SAME
- Publication number 20100195797
- Publication date Aug 5, 2010
- Koninklijke Philips Electronics N.V.
- Stefan Hauttmann
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BRAZING MATERIAL, ELECTRON TUBES, MAGNETRON AND METHOD FOR BRAZING
- Publication number 20100052501
- Publication date Mar 4, 2010
- Toshiba Hokuto Electronics Corporation
- Makoto Ueda
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Electron beam focusing electrode and electron gun using the same
- Publication number 20090289542
- Publication date Nov 26, 2009
- SAMSUNG ELECTRONICS CO., LTD. and SEOUL NATIONAL UNIVERSITY INDUSTRY FOUNDAT...
- Chan Wook Baik
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
METHOD OF PRODUCING A HIGH VOLTAGE STABLE CATHODE FOR AN X-RAY TUBE
- Publication number 20090260233
- Publication date Oct 22, 2009
- GENERAL ELECTRIC COMPANY
- Sergio Lemaitre
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Thermal electron emitter and thermal electron emission device using...
- Publication number 20090256135
- Publication date Oct 15, 2009
- Tsinghua University
- Lin Xiao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Thermionic emission device
- Publication number 20090167136
- Publication date Jul 2, 2009
- Tsinghua University
- Peng Liu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRONIC TUBE
- Publication number 20090167133
- Publication date Jul 2, 2009
- Oliver Heuermann
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FILAMENT ASSEMBLY HAVING REDUCED ELECTRON BEAM TIME CONSTANT
- Publication number 20090129550
- Publication date May 21, 2009
- Varian Medical Systems Technologies, Inc.
- Steve G. Bandy
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER SUPPLY UNIT, HIGH-FREQUENCY CIRCUIT SYSTEM AND HEATER VOLTAGE...
- Publication number 20080231197
- Publication date Sep 25, 2008
- NEC Microwave Tube, Ltd.
- Akira CHIBA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
APPARATUS AND METHODS FOR CAPACITIVELY COUPLED PLASMA VAPOR PROCESS...
- Publication number 20080230377
- Publication date Sep 25, 2008
- Micron Technology, Inc.
- Mark Kiehlbauch
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HIGH VOLTAGE STABLE CATHODE FOR X-RAY TUBE
- Publication number 20070003018
- Publication date Jan 4, 2007
- GENERAL ELECTRIC COMPANY
- Sergio Lemaitre
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Stabilized emitter and method for stabilizing same
- Publication number 20060226753
- Publication date Oct 12, 2006
- Pavel Adamec
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Solid state vacuum devices and method for making the same
- Publication number 20060125368
- Publication date Jun 15, 2006
- Ruey-Jen Hwu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electron emission material and electron emission element using the...
- Publication number 20050179024
- Publication date Aug 18, 2005
- Matsushita Electric Industrial Co., Ltd.
- Motoshi Shibata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Power supply for a hot-filament cathode
- Publication number 20040183470
- Publication date Sep 23, 2004
- Steven J. Geissler
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CATHODE RAY TUBE FILAMENT VOLTAGE CONTROL WITH A MULTIFREQUENCY DEF...
- Publication number 20030197695
- Publication date Oct 23, 2003
- David Ross Jackson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Multiple stage depressed collector (MSDC) klystron based amplifier...
- Publication number 20030168986
- Publication date Sep 11, 2003
- Michael J. Cascone
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Solid thermionic cathodes

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for tuning work function using surface photo voltage and pro...

Charged particle beam device

Method for tuning work function using surface photovoltage and prod...

Estimation of cathode space current for a thermionic vacuum tube us...

Apparatus for generating electron radiation and three-dimensional p...

Ion generation device and ion detection device

Impregnated yttric or gadolinium-containing Barium-aluminum-scandat...

Method of making and use of an automatic system to increase the ope...

High frequency cathode heater supply for a microwave source

Cathode selection method

Electron beam focusing electrode and electron gun using the same

Apparatus and methods for capacitively coupled plasma vapor process...

Cathode heating device of magnetron, microwave generating device an...

Micro-cone targets for producing high energy and low divergence par...

Apparatus and methods for capacitively coupled plasma vapor process...

Electron beam focusing electrode and electron gun using the same

Thermionic electron emitter and X-ray source including same

Thermionic electron emitter, method for preparing same and X-ray so...

Thermal electron emitter and thermal electron emission device using...

Method of producing a high voltage stable cathode for an X-ray tube

Power supply unit, high-frequency circuit system and heater voltage...

Thermionic emission device

High voltage stable cathode for x-ray tube

Filament assembly having reduced electron beam time constant

Solid state vacuum devices

Thermoelectric control for field emission display

Solid state vacuum devices and method for making the same

Power supply for a hot-filament cathode

Multiple stage depressed collector (MSDC) klystron based amplifier...

Fluorescent luminous tube

Patents Applicationslast 30 patents

ELECTRON BEAM GENERATOR, ELECTRON BEAM EMISSION DEVICE AND X-RAY EM...

Method For Tuning Work Function Using Surface Photo Voltage and Pro...

ESTIMATION OF CATHODE SPACE CURRENT FOR A THERMIONIC VACUUM TUBE US...

CATHODE SELECTION METHOD

ELECTRON BEAM FOCUSING ELECTRODE AND ELECTRON GUN USING THE SAME

ARC DEVICES AND MOVING ARC COUPLES

APPARATUS AND METHODS FOR CAPACITIVELY COUPLED PLASMA VAPOR PROCESS...

Impregnated Yttric or Gadolinium-Containing Barium-Aluminum-Scandat...

ELECTRODE FOR HOT CATHODE FLUORESCENT LAMP AND HOT CATHODE FLUORESC...

HIGH FREQUENCY CATHODE HEATER SUPPLY FOR A MICROWAVE SOURCE

CATHODE HEATING DEVICE OF MAGNETRON, MICROWAVE GENERATING DEVICE AN...

MICRO-CONE TARGETS FOR PRODUCING HIGH ENERGY AND LOW DIVERGENCE PAR...

THERMIONIC ELECTRON EMITTER, METHOD FOR PREPARING SAME AND X-RAY SO...

THERMIONIC ELECTRON EMITTER AND X-RAY SOUCE INCLUDING SAME

BRAZING MATERIAL, ELECTRON TUBES, MAGNETRON AND METHOD FOR BRAZING

Electron beam focusing electrode and electron gun using the same

METHOD OF PRODUCING A HIGH VOLTAGE STABLE CATHODE FOR AN X-RAY TUBE

Thermal electron emitter and thermal electron emission device using...

Thermionic emission device

ELECTRONIC TUBE

FILAMENT ASSEMBLY HAVING REDUCED ELECTRON BEAM TIME CONSTANT

POWER SUPPLY UNIT, HIGH-FREQUENCY CIRCUIT SYSTEM AND HEATER VOLTAGE...

APPARATUS AND METHODS FOR CAPACITIVELY COUPLED PLASMA VAPOR PROCESS...

HIGH VOLTAGE STABLE CATHODE FOR X-RAY TUBE

Stabilized emitter and method for stabilizing same

Solid state vacuum devices and method for making the same

Electron emission material and electron emission element using the...

Power supply for a hot-filament cathode

CATHODE RAY TUBE FILAMENT VOLTAGE CONTROL WITH A MULTIFREQUENCY DEF...

Multiple stage depressed collector (MSDC) klystron based amplifier...