Cathodes having impregnated bodies

Industry

CPC
H01J9/047

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Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J9/00Apparatus or processes specially adapted to the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof Recovery of material from discharge tubes or lamps

Current Industry

H01J9/047Cathodes having impregnated bodies

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Low work function electron beam filament assembly
- Patent number 10,796,876
- Issue date Oct 6, 2020
- Colorado State University Research Foundation
- Bao Gia Nguyen
- B22 - CASTING POWDER METALLURGY
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 emissive body for an impregnated cathode of an electron tube
- Patent number 6,979,942
- Issue date Dec 27, 2005
- Thomson Licensing
- Jean-Claude Pruvost
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode design
- Patent number 6,771,014
- Issue date Aug 3, 2004
- The Boeing Company
- Robert T. Longo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of assembling an emissive cathode for electron gun
- Patent number 6,705,915
- Issue date Mar 16, 2004
- Thomson Licensing S.A.
- Jean-Luc Ricaud
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing impregnated cathode having a cathode pellet
- Patent number 6,705,913
- Issue date Mar 16, 2004
- Matsushita Electric Industrial Co., Ltd.
- Satoru Nakagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Impregnated cathode and method for manufacturing the same
- Patent number 6,376,975
- Issue date Apr 23, 2002
- Matsushita Electric Industrial Co., Ltd.
- Satoru Nakagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Impregnated cathode and method for manufacturing the same
- Patent number 6,306,003
- Issue date Oct 23, 2001
- Matsushita Electric Industrial Co., Ltd.
- Satoru Nakagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Impregnated cathode structure for a CRT and its manufacturing method
- Patent number 6,252,342
- Issue date Jun 26, 2001
- Orion Electric Co., Ltd.
- Seung Yul Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Methods of making thermionic cathode using oxygen deficient and ful...
- Patent number 5,951,352
- Issue date Sep 14, 1999
- The United States of America as represented by the Secretary of the Army
- Louis E. Branovich
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing a dispenser cathode
- Patent number 5,890,941
- Issue date Apr 6, 1999
- U.S. Philips Corporation
- Jacobus A. J. M. Deckers
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thermionic cathode using oxygen deficient and fully oxidized materi...
- Patent number 5,828,164
- Issue date Oct 27, 1998
- The United States of America as represented by the Secretary of the Army
- Louis E. Branovich
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Direct heating cathode and process for producing such
- Patent number 5,773,922
- Issue date Jun 30, 1998
- Samsung Display Devices, Co., Ltd.
- Kwang-Min Lee
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Dispenser cathode and method of manufacturing a dispenser cathode
- Patent number 5,666,022
- Issue date Sep 9, 1997
- U.S. Philips Corporation
- Jacobus A. J. M. Deckers
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Impregnated cathode structure
- Patent number 5,459,372
- Issue date Oct 17, 1995
- Samsung Electron Devices Co., Ltd.
- Hwanchul Roh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Impregnated pellet for a cathode structure and method of producing...
- Patent number 5,451,831
- Issue date Sep 19, 1995
- Goldstar Co., Ltd.
- Kyung S. Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing an impregnation type cathode
- Patent number 5,417,600
- Issue date May 23, 1995
- Mitsubishi Denki Kabushiki Kaisha
- Takeyuki Maegawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dispenser cathode and process for preparing it
- Patent number 5,318,468
- Issue date Jun 7, 1994
- Licentia Patent-Verwaltungs- GmbH
- Rolf Lotthammer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of preparing an impregnated cathode with an enhanced thermio...
- Patent number 5,298,830
- Issue date Mar 29, 1994
- The United States of America as represented by the Secretary of the Army
- Louis E. Branovich
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Scandate cathode
- Patent number 5,261,845
- Issue date Nov 16, 1993
- U.S. Philips Corporation
- Johannes Van Esdonk
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing an impregnated cathode structure
- Patent number 5,236,382
- Issue date Aug 17, 1993
- Samsung Electron Devices Co., Ltd.
- Jong-ho Oh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing impregnated cathodes
- Patent number 5,171,180
- Issue date Dec 15, 1992
- Gold Star Co., Ltd.
- Kyung S. Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing impregnated cathodes
- Patent number 5,132,081
- Issue date Jul 21, 1992
- Goldstar Co., Ltd.
- Kyung S. Lee
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Impregnated cathodes with a controlled porosity
- Patent number 5,118,317
- Issue date Jun 2, 1992
- U.S. Philips Corporation
- Jan F. C. M. Wijnen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Manufacturing method for dispenser code
- Patent number 5,092,805
- Issue date Mar 3, 1992
- Samsung Electron Devices Co., Ltd.
- Kyung-cheon Shon
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sputtered scandate coatings for dispenser cathodes
- Patent number 5,065,070
- Issue date Nov 12, 1991
- Hughes Aircraft Company
- Robert T. Longo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing scandate cathode with scandium oxide film
- Patent number 5,064,397
- Issue date Nov 12, 1991
- U.S. Philips Corporation
- Jan Hasker
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of producing an electron beam emission cathode
- Patent number 5,061,357
- Issue date Oct 29, 1991
- Midwest Research Technologies, Inc.
- Susan J. Kerber
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Sputtered scandate coatings for dispenser cathodes and methods for...
- Patent number 5,041,757
- Issue date Aug 20, 1991
- Hughes Aircraft Company
- Robert T. Longo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of making a cathode from tungsten and iridium powders using...
- Patent number 5,007,874
- Issue date Apr 16, 1991
- The United States of America as represented by the Secretary of the Army
- Louis E. Branovich
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

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
Cathode emissive body for an impregnated cathode of an electron tube
- Publication number 20040032195
- Publication date Feb 19, 2004
- Jean-Claude Pruvost
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cathode design
- Publication number 20030048066
- Publication date Mar 13, 2003
- Robert T. Longo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Impregnated cathode structure and method of manufacturing the struc...
- Publication number 20030034724
- Publication date Feb 20, 2003
- Daichi Imabayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method of manufacturing a dispenser cathode for a cathode ray tube
- Publication number 20020193041
- Publication date Dec 19, 2002
- Georg Friedrich Gaertner
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Process for assembling a cathode-ray tube
- Publication number 20020187712
- Publication date Dec 12, 2002
- Jean-Luc Ricaud
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electrode for discharge tube, and discharge tube using it
- Publication number 20010050536
- Publication date Dec 13, 2001
- Hamamatsu Photonics K.K.
- Nobuharu Harada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Impregnated cathode and method for manufacturing the same
- Publication number 20010019239
- Publication date Sep 6, 2001
- Matsushita Electronics Corporation
- Satoru Nakagawa
- H01 - BASIC ELECTRIC ELEMENTS

Cathodes having impregnated bodies

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Low work function electron beam filament assembly

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

Cathode emissive body for an impregnated cathode of an electron tube

Cathode design

Method of assembling an emissive cathode for electron gun

Method for manufacturing impregnated cathode having a cathode pellet

Impregnated cathode and method for manufacturing the same

Impregnated cathode and method for manufacturing the same

Impregnated cathode structure for a CRT and its manufacturing method

Methods of making thermionic cathode using oxygen deficient and ful...

Method of manufacturing a dispenser cathode

Thermionic cathode using oxygen deficient and fully oxidized materi...

Direct heating cathode and process for producing such

Dispenser cathode and method of manufacturing a dispenser cathode

Impregnated cathode structure

Impregnated pellet for a cathode structure and method of producing...

Method of manufacturing an impregnation type cathode

Dispenser cathode and process for preparing it

Method of preparing an impregnated cathode with an enhanced thermio...

Scandate cathode

Method for manufacturing an impregnated cathode structure

Method for manufacturing impregnated cathodes

Method for manufacturing impregnated cathodes

Impregnated cathodes with a controlled porosity

Manufacturing method for dispenser code

Sputtered scandate coatings for dispenser cathodes

Method of manufacturing scandate cathode with scandium oxide film

Method of producing an electron beam emission cathode

Sputtered scandate coatings for dispenser cathodes and methods for...

Method of making a cathode from tungsten and iridium powders using...

Patents Applicationslast 30 patents

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

Cathode emissive body for an impregnated cathode of an electron tube

Cathode design

Impregnated cathode structure and method of manufacturing the struc...

Method of manufacturing a dispenser cathode for a cathode ray tube

Process for assembling a cathode-ray tube

Electrode for discharge tube, and discharge tube using it

Impregnated cathode and method for manufacturing the same