with alkaline-earth metal oxides, or such oxides used in conjunction with reducing agents, as an emissive material

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H01J1/142

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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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H01J1/142with alkaline-earth metal oxides, or such oxides used in conjunction with reducing agents, as an emissive material

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Patents Grantslast 30 patents

Information Patent Grant
Thermionic tungsten/scandate cathodes and method of making the same
- Patent number 11,075,049
- Issue date Jul 27, 2021
- The Government of the United States of America, as represented by the Secreta...
- Boris N. Feigelson
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of fabricating tungsten scandate nano-composite powder for c...
- Patent number 10,714,292
- Issue date Jul 14, 2020
- The Regents of the University of California
- Neville C. Luhmann
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Thermionic cathode with a graphene sealing layer and method of maki...
- Patent number 10,679,816
- Issue date Jun 9, 2020
- Triad National Security, LLC
- Nathan Moody
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Carburized lutetium oxide doped molybdenum cathode and its fabricat...
- Patent number 9,646,796
- Issue date May 9, 2017
- Beijing University of Technology
- Jin-Shu Wang
- 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
Cathode for electron tube and method for manufacturing the same
- Patent number 7,138,754
- Issue date Nov 21, 2006
- Samsung SDI Co., Ltd.
- Seung-Kwon Han
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Oxide cathode for an electron gun, having a denser and thinner emis...
- Patent number 6,917,148
- Issue date Jul 12, 2005
- THOMSON Licensing S.A.
- Jean-Luc Ricaud
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube comprising a cathode of a composite material
- Patent number 6,833,659
- Issue date Dec 21, 2004
- Koninklijke Philips Electronics N.V.
- Georg Friedrich Gaertner
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode-ray tube cathode and alloy therefor
- Patent number 6,798,128
- Issue date Sep 28, 2004
- Thomson Licensing S.A.
- Jean-Michel Roquais
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode in cathode ray tube
- Patent number 6,686,682
- Issue date Feb 3, 2004
- LG. Philips Displays Korea Co., Ltd.
- Byung Mook Weon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of making a cathode for an electron tube
- Patent number 6,641,450
- Issue date Nov 4, 2003
- Samsung SDI Co., Ltd.
- Sung-hwan Moon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode coating for thermionic arc discharge lamp cathodes
- Patent number 6,603,250
- Issue date Aug 5, 2003
- Osram Sylvania Inc.
- John W. Shaffer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube comprising a doped oxide cathode
- Patent number 6,600,257
- Issue date Jul 29, 2003
- Koninklijke Philips Electronics N.V.
- Georg Friedrich Gaertner
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Low work function materials for microminiature energy conversion an...
- Patent number 6,563,256
- Issue date May 13, 2003
- Sandia Corporation
- Kevin R. Zavadil
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode for electron tube
- Patent number 6,545,397
- Issue date Apr 8, 2003
- Mitsubishi Denki Kabushiki Kaisha
- Takuya Ohira
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube having an improved cathode
- Patent number 6,504,293
- Issue date Jan 7, 2003
- Hitachi, Ltd.
- Sachio Koizumi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron tube cathode
- Patent number 6,495,949
- Issue date Dec 17, 2002
- Orion Electric Co., Ltd.
- Jae Dong Park
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrode
- Patent number 6,432,325
- Issue date Aug 13, 2002
- TDK Corporation
- Munemitsu Hamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing an electron gun including a metal layer be...
- Patent number 6,390,877
- Issue date May 21, 2002
- SamSung SDI Co., Ltd.
- Yoon-Chang Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron-emitting material and preparing process
- Patent number 6,383,416
- Issue date May 7, 2002
- TDK Corporation
- Munemitsu Hamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode-ray tube having oxide cathode and method for producing the...
- Patent number 6,376,976
- Issue date Apr 23, 2002
- Mitsubishi Denki Kabushiki Kaisha
- Kiyoshi Saitoh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Two-layer cathode for electron gun
- Patent number 6,362,563
- Issue date Mar 26, 2002
- Chunghwa Picture Tubes, Ltd.
- Kuo-Ching Chou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun cathode with a metal layer having a recess
- Patent number 6,255,764
- Issue date Jul 3, 2001
- Samsung Display Devices Co., Ltd.
- Jong-Seo Choi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode with an electron emitting layer for a cathode ray tube
- Patent number 6,232,708
- Issue date May 15, 2001
- Samsung Display Devices Co., Ltd.
- Suk-ki Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Emitter material for cathode ray tube having at least one alkaline...
- Patent number 6,222,308
- Issue date Apr 24, 2001
- Matsushita Electronics Corporation
- Tetsuro Ozawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron emission materials and components
- Patent number 6,190,579
- Issue date Feb 20, 2001
- Integrated Thermal Sciences, Inc.
- Garth W. Billings
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Cathode in electron tube with actinoid metal(s) or compound(s) thereof
- Patent number 6,181,058
- Issue date Jan 30, 2001
- LG Electronics, Inc.
- Gyeong Sang Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode for an electron gun
- Patent number 6,140,753
- Issue date Oct 31, 2000
- Samsung Display Devices Co., Ltd.
- Gyu-Nam Joo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron tube cathode
- Patent number 6,124,666
- Issue date Sep 26, 2000
- Mitsubishi Denki Kabushiki Kaisha
- Masato Saito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode for an electron tube
- Patent number 6,091,189
- Issue date Jul 18, 2000
- Mitsubishi Denki Kabushiki Kaisha
- Takashi Shinjo
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Thermionic Tungsten/Scandate Cathodes and Method of Making The Same
- Publication number 20200043691
- Publication date Feb 6, 2020
- The Government of the United States of America, as represented by the Secreta...
- Boris N. Feigelson
- B22 - CASTING POWDER METALLURGY
Information Patent Application
TARGET FOR BARIUM-SCANDATE DISPENSER CATHODE
- Publication number 20180158639
- Publication date Jun 7, 2018
- Koninklijke Philips N.V.
- Georg Friedrich Gaertner
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
TARGET FOR BARIUM-SCANDATE DISPENSER CATHODE
- Publication number 20140174913
- Publication date Jun 26, 2014
- Koninklijke Philips N.V.
- Georg Friedrich Gaertner
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
LIGHT EMITTING DEVICE WITH ELECTRODE COMPRISING A CERAMIC MATERIAL
- Publication number 20090015128
- Publication date Jan 15, 2009
- Koninklijke Philips Electronics, N.V.
- Uwe Chittka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Vacuum tube with oxide cathode
- Publication number 20060076871
- Publication date Apr 13, 2006
- KONINLIJKE PHILIPS ELECTRONICS N.V.
- George Gaertner
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cathode for cathode ray tube
- Publication number 20050007004
- Publication date Jan 13, 2005
- Gyeong Sang Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cathode ray tube
- Publication number 20040007954
- Publication date Jan 15, 2004
- Sachio Koizumi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Oxide cathode for an electron gun, having a denser and thinner emis...
- Publication number 20030201705
- Publication date Oct 30, 2003
- Jean-Luc Ricaud
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cathode for electron tube and method for manufacturing the same
- Publication number 20030178927
- Publication date Sep 25, 2003
- Seung-Kwon Han
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cathode-ray tube cathode and alloy therefor
- Publication number 20030164668
- Publication date Sep 4, 2003
- Jean-Michel Roquais
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cathode in cathode ray tube
- Publication number 20030127962
- Publication date Jul 10, 2003
- Byung Mook Weon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cathode coating for thermionic arc discharge lamp cathodes
- Publication number 20030048058
- Publication date Mar 13, 2003
- John W. Shaffer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cathode ray tube comprising a cathode of a composite material
- Publication number 20020074921
- Publication date Jun 20, 2002
- Georg Friedrich Gaertner
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cathode ray tube comprising a doped oxide cathode
- Publication number 20020070651
- Publication date Jun 13, 2002
- Georg Friedrich Gaertner
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cathode for electron tube
- Publication number 20020008453
- Publication date Jan 24, 2002
- Mitsubishi Denki Kabushiki Kaisha
- Takuya Ohira
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method for manufacturing an electron gun including a metal layer be...
- Publication number 20010026117
- Publication date Oct 4, 2001
- Yoon-Chang Kim
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cathode for electron tube and preparing method therefor
- Publication number 20010024081
- Publication date Sep 27, 2001
- Sung-Hwan Moon
- H01 - BASIC ELECTRIC ELEMENTS

with alkaline-earth metal oxides, or such oxides used in conjunction with reducing agents, as an emissive material

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Thermionic tungsten/scandate cathodes and method of making the same

Method of fabricating tungsten scandate nano-composite powder for c...

Thermionic cathode with a graphene sealing layer and method of maki...

Carburized lutetium oxide doped molybdenum cathode and its fabricat...

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

Cathode for electron tube and method for manufacturing the same

Oxide cathode for an electron gun, having a denser and thinner emis...

Cathode ray tube comprising a cathode of a composite material

Cathode-ray tube cathode and alloy therefor

Cathode in cathode ray tube

Method of making a cathode for an electron tube

Cathode coating for thermionic arc discharge lamp cathodes

Cathode ray tube comprising a doped oxide cathode

Low work function materials for microminiature energy conversion an...

Cathode for electron tube

Cathode ray tube having an improved cathode

Electron tube cathode

Electrode

Method for manufacturing an electron gun including a metal layer be...

Electron-emitting material and preparing process

Cathode-ray tube having oxide cathode and method for producing the...

Two-layer cathode for electron gun

Electron gun cathode with a metal layer having a recess

Cathode with an electron emitting layer for a cathode ray tube

Emitter material for cathode ray tube having at least one alkaline...

Electron emission materials and components

Cathode in electron tube with actinoid metal(s) or compound(s) thereof

Cathode for an electron gun

Electron tube cathode

Cathode for an electron tube

Patents Applicationslast 30 patents

Thermionic Tungsten/Scandate Cathodes and Method of Making The Same

TARGET FOR BARIUM-SCANDATE DISPENSER CATHODE

TARGET FOR BARIUM-SCANDATE DISPENSER CATHODE

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

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

LIGHT EMITTING DEVICE WITH ELECTRODE COMPRISING A CERAMIC MATERIAL

Vacuum tube with oxide cathode

Cathode for cathode ray tube

Cathode ray tube

Oxide cathode for an electron gun, having a denser and thinner emis...

Cathode for electron tube and method for manufacturing the same

Cathode-ray tube cathode and alloy therefor

Cathode in cathode ray tube

Cathode coating for thermionic arc discharge lamp cathodes

Cathode ray tube comprising a cathode of a composite material

Cathode ray tube comprising a doped oxide cathode

Cathode for electron tube

Method for manufacturing an electron gun including a metal layer be...

Cathode for electron tube and preparing method therefor