Manufacture, activation of the emissive part

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CPC
H01J9/042

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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

H01J9/042Manufacture, activation of the emissive part

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for preparing cathode material
- Patent number 12,263,635
- Issue date Apr 1, 2025
- WUHAN UNITED IMAGING HEALTHCARE CO., LTD.
- Sang Liu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Monolithic heater for thermionic electron cathode
- Patent number 12,237,138
- Issue date Feb 25, 2025
- Applied Physics Technologies, Inc.
- Gerald G. Magera
- 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
High-temperature component
- Patent number 12,227,829
- Issue date Feb 18, 2025
- Plansee SE
- Bernhard Mayr-Schmoelzer
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Monolithic heater for thermionic electron cathode
- Patent number 11,948,769
- Issue date Apr 2, 2024
- Applied Physics Technologies, Inc.
- Gerald G. Magera
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron source, method for manufacturing same, emitter, and device...
- Patent number 11,915,921
- Issue date Feb 27, 2024
- DENKA COMPANY LIMITED
- Dai Tsukada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron emitter and method of fabricating same
- Patent number 11,688,579
- Issue date Jun 27, 2023
- ASML Netherlands B.V.
- Juying Dou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus including thermal energy harvesting thermionic device int...
- Patent number 11,417,506
- Issue date Aug 16, 2022
- Birmingham Technologies, Inc.
- Joseph Birmingham
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron emitter and method of fabricating same
- Patent number 11,201,032
- Issue date Dec 14, 2021
- ASML Netherlands B.V.
- Juying Dou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thermionic emission device and method for making the same
- Patent number 11,195,686
- Issue date Dec 7, 2021
- Tsinghua University
- Xin-He Yang
- 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
Emitter structures for enhanced thermionic emission
- Patent number 11,094,493
- Issue date Aug 17, 2021
- Lockheed Martin Corporation
- Frans Hendrik Ebersohn
- H01 - BASIC ELECTRIC ELEMENTS
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
Planar gate-insulated vacuum channel transistor
- Patent number 10,840,052
- Issue date Nov 17, 2020
- International Business Machines Corporation
- Injo Ok
- H01 - BASIC ELECTRIC ELEMENTS
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
Electron emitter and method of fabricating same
- Patent number 10,784,071
- Issue date Sep 22, 2020
- ASML Netherlands B.V.
- Juying Dou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
X-ray tube and method of manufacturing the same
- Patent number 10,763,069
- Issue date Sep 1, 2020
- Canon Electron Tubes & Devices Co., Ltd.
- Hiroyuki Kumadaki
- H01 - BASIC ELECTRIC ELEMENTS
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
Thermionic tungsten/scandate cathodes and methods of making the same
- Patent number 10,497,530
- Issue date Dec 3, 2019
- The Government of the United States of America, as represented by the Secreta...
- Boris N. Feigelson
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Carburized La2O3 and Lu2O3 co-doped Mo filament cathode
- Patent number 10,388,484
- Issue date Aug 20, 2019
- Beijing University of Technology
- Jinshu Wang
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Ion pump noble gas stability using small grain sized cathode material
- Patent number 10,121,627
- Issue date Nov 6, 2018
- Edwards Vacuum LLC
- Anthony Wynohrad
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing electron source
- Patent number 10,074,506
- Issue date Sep 11, 2018
- Hitachi High-Technologies Corporation
- Takashi Ichimura
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Thermionic emission filament, quadrupole mass spectrometer and resi...
- Patent number 10,026,582
- Issue date Jul 17, 2018
- Horiba Stec, Co., Ltd.
- Kohei Sasai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Flexible flat emitter for X-ray tubes
- Patent number 9,953,797
- Issue date Apr 24, 2018
- General Electric Company
- Xi Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode filament assembly
- Patent number 9,916,959
- Issue date Mar 13, 2018
- Koninklijke Philips N.V.
- Marcus Walter Foellmer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of reducing work function in carbon coated LaB6 cathodes
- Patent number 9,790,620
- Issue date Oct 17, 2017
- NuFlare Technology, Inc.
- Victor Katsap
- C30 - CRYSTAL GROWTH
Information Patent Grant
X-ray tube having a dual grid and dual filament cathode
- Patent number 9,779,907
- Issue date Oct 3, 2017
- Varex Imaging Corporation
- Bradley D. Canfield
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Array of carbon nanotube micro-tip structures
- Patent number 9,734,976
- Issue date Aug 15, 2017
- Tsinghua University
- Yang Wei
- 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
Filament for X-ray cathode
- Patent number 9,472,371
- Issue date Oct 18, 2016
- Varian Medical Systems, Inc.
- Gary F. Virshup
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
MONOLITHIC HEATER FOR THERMIONIC ELECTRON CATHODE
- Publication number 20240212964
- Publication date Jun 27, 2024
- Applied Physics Technologies, Inc.
- Gerald G. MAGERA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MONOLITHIC HEATER FOR THERMIONIC ELECTRON CATHODE
- Publication number 20240055213
- Publication date Feb 15, 2024
- Applied Physics Technologies, Inc.
- Gerald G. MAGERA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HIGH-TEMPERATURE COMPONENT
- Publication number 20230235442
- Publication date Jul 27, 2023
- PLANSEE SE
- Bernhard Mayr-Schmoelzer
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
ELECTRON SOURCE, METHOD FOR MANUFACTURING SAME, EMITTER, AND DEVICE...
- Publication number 20230215679
- Publication date Jul 6, 2023
- Denka Company Limited
- Dai TSUKADA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CATHODE MEMBER FOR ELECTRON BEAM GENERATION, AND METHOD FOR MANUFAC...
- Publication number 20220336179
- Publication date Oct 20, 2022
- KOBELCO RESEARCH INSTITUTE, INC.
- Kenji KOGA
- B22 - CASTING POWDER METALLURGY
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
ELECTRON EMITTER AND METHOD OF FABRICATING SAME
- Publication number 20220189725
- Publication date Jun 16, 2022
- ASML NETHERLANDS B.V.
- Juying DOU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
THERMIONIC EMISSION DEVICE AND METHOD FOR MAKING THE SAME
- Publication number 20210217572
- Publication date Jul 15, 2021
- TSINGHUA UNIVERSITY
- XIN-HE YANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRON EMITTER AND METHOD OF FABRICATING SAME
- Publication number 20210142975
- Publication date May 13, 2021
- ASML NETHERLANDS B.V.
- Juying Dou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Emitter Structures for Enhanced Thermionic Emission
- Publication number 20210035765
- Publication date Feb 4, 2021
- Lockheed Martin Corporation
- Frans Hendrik Ebersohn
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CATHODES WITH CONFORMAL CATHODE SURFACES, VACUUM ELECTRONIC DEVICES...
- Publication number 20200066474
- Publication date Feb 27, 2020
- Modern Electron, LLC
- John J. Lorr
- H01 - BASIC ELECTRIC ELEMENTS
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
PLANAR GATE-INSULATED VACUUM CHANNEL TRANSISTOR
- Publication number 20190393012
- Publication date Dec 26, 2019
- International Business Machines Corporation
- INJO OK
- 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
ELECTRON EMITTER AND METHOD OF FABRICATING SAME
- Publication number 20190172674
- Publication date Jun 6, 2019
- ASML Netherlands B.V.
- Juying DOU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LOW WORK FUNCTION ELECTRON BEAM FILAMENT ASSEMBLY
- Publication number 20180269024
- Publication date Sep 20, 2018
- Colorado State University Research Foundation
- Bao Gia Nguyen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Carburized La2O3 and Lu2O3 co-doped Mo filament cathode and its fab...
- Publication number 20180254164
- Publication date Sep 6, 2018
- BEIJING UNIVERSITY OF TECHNOLOGY
- JINSHU WANG
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
X-RAY TUBE AND METHOD OF MANUFACTURING THE SAME
- Publication number 20180197712
- Publication date Jul 12, 2018
- Toshiba Electron Tubes & Devices Co.,Ltd.
- Hiroyuki KUMADAKI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
THERMIONIC EMISSION FILAMENT, QUADRUPOLE MASS SPECTROMETER AND RESI...
- Publication number 20170169981
- Publication date Jun 15, 2017
- Horiba Stec, Co., Ltd.
- Kohei SASAI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FLEXIBLE FLAT EMITTER FOR X-RAY TUBES
- Publication number 20170092456
- Publication date Mar 30, 2017
- GENERAL ELECTRIC COMPANY
- Xi Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ARRAY OF CARBON NANOTUBE MICRO-TIP STRUCTURES
- Publication number 20160329184
- Publication date Nov 10, 2016
- TSINGHUA UNIVERSITY
- Yang Wei
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Thermionic Tungsten/Scandate Cathodes and Methods of Making the Same
- Publication number 20160300684
- Publication date Oct 13, 2016
- The Government of the United States of America, as represented by the Secreta...
- Boris N. Feigelson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
X-RAY TUBE HAVING A DUAL GRID AND DUAL FILAMENT CATHODE
- Publication number 20160217965
- Publication date Jul 28, 2016
- Varian Medical Systems, Inc.
- Bradley D. Canfield
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FLAT EMITTER COATED WITH LOW WORK FUNCTION MATERIAL
- Publication number 20160093462
- Publication date Mar 31, 2016
- Varian Medical Systems, Inc.
- Gary F. Virshup
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method for Producing an Electrode for a High-Pressure Discharge Lam...
- Publication number 20130221842
- Publication date Aug 29, 2013
- Wolfgang Seitz
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
INCREASED WEIGHT OF EMISSION MATERIALS ON FLUORESCENT LAMP ELECTRODES
- Publication number 20130169150
- Publication date Jul 4, 2013
- István Deme
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRODE FOR DISCHARGE LAMP AND METHOD FOR MANUFACTURING SAME
- Publication number 20120319558
- Publication date Dec 20, 2012
- IWASAKI ELECTRIC CO., LTD.
- Kouji Komata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MANUFACTURING METHOD OF CNT EMITTER WITH DENSITY CONTROLLED CARBON...
- Publication number 20120308716
- Publication date Dec 6, 2012
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Jin Woo JEONG
- B82 - NANO-TECHNOLOGY
Information Patent Application
ELECTRODE FOR DISCHARGE LAMP AND MANUFACTURING METHOD THEREOF
- Publication number 20120153805
- Publication date Jun 21, 2012
- ASAHI GLASS COMPANY, LIMITED
- Satoru WATANABE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRODE FOR DISCHARGE LAMP AND MANUFACTURING METHOD THEREOF
- Publication number 20120153807
- Publication date Jun 21, 2012
- ASAHI GLASS COMPANY, LIMITED
- Shigeo Mikoshiba
- H01 - BASIC ELECTRIC ELEMENTS

Manufacture, activation of the emissive part

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method and system for preparing cathode material

Monolithic heater for thermionic electron cathode

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

High-temperature component

Monolithic heater for thermionic electron cathode

Electron source, method for manufacturing same, emitter, and device...

Electron emitter and method of fabricating same

Apparatus including thermal energy harvesting thermionic device int...

Electron emitter and method of fabricating same

Thermionic emission device and method for making the same

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

Emitter structures for enhanced thermionic emission

Thermionic tungsten/scandate cathodes and method of making the same

Planar gate-insulated vacuum channel transistor

Low work function electron beam filament assembly

Electron emitter and method of fabricating same

X-ray tube and method of manufacturing the same

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

Thermionic tungsten/scandate cathodes and methods of making the same

Carburized La2O3 and Lu2O3 co-doped Mo filament cathode

Ion pump noble gas stability using small grain sized cathode material

Method for manufacturing electron source

Thermionic emission filament, quadrupole mass spectrometer and resi...

Flexible flat emitter for X-ray tubes

Cathode filament assembly

Method of reducing work function in carbon coated LaB6 cathodes

X-ray tube having a dual grid and dual filament cathode

Array of carbon nanotube micro-tip structures

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

Filament for X-ray cathode

Patents Applicationslast 30 patents

MONOLITHIC HEATER FOR THERMIONIC ELECTRON CATHODE

MONOLITHIC HEATER FOR THERMIONIC ELECTRON CATHODE

HIGH-TEMPERATURE COMPONENT

ELECTRON SOURCE, METHOD FOR MANUFACTURING SAME, EMITTER, AND DEVICE...

CATHODE MEMBER FOR ELECTRON BEAM GENERATION, AND METHOD FOR MANUFAC...

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

ELECTRON EMITTER AND METHOD OF FABRICATING SAME

THERMIONIC EMISSION DEVICE AND METHOD FOR MAKING THE SAME

ELECTRON EMITTER AND METHOD OF FABRICATING SAME

Emitter Structures for Enhanced Thermionic Emission

CATHODES WITH CONFORMAL CATHODE SURFACES, VACUUM ELECTRONIC DEVICES...

Thermionic Tungsten/Scandate Cathodes and Method of Making The Same

PLANAR GATE-INSULATED VACUUM CHANNEL TRANSISTOR

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

ELECTRON EMITTER AND METHOD OF FABRICATING SAME

LOW WORK FUNCTION ELECTRON BEAM FILAMENT ASSEMBLY

Carburized La2O3 and Lu2O3 co-doped Mo filament cathode and its fab...

X-RAY TUBE AND METHOD OF MANUFACTURING THE SAME

THERMIONIC EMISSION FILAMENT, QUADRUPOLE MASS SPECTROMETER AND RESI...

FLEXIBLE FLAT EMITTER FOR X-RAY TUBES

ARRAY OF CARBON NANOTUBE MICRO-TIP STRUCTURES

Thermionic Tungsten/Scandate Cathodes and Methods of Making the Same

X-RAY TUBE HAVING A DUAL GRID AND DUAL FILAMENT CATHODE

FLAT EMITTER COATED WITH LOW WORK FUNCTION MATERIAL

Method for Producing an Electrode for a High-Pressure Discharge Lam...

INCREASED WEIGHT OF EMISSION MATERIALS ON FLUORESCENT LAMP ELECTRODES

ELECTRODE FOR DISCHARGE LAMP AND METHOD FOR MANUFACTURING SAME

MANUFACTURING METHOD OF CNT EMITTER WITH DENSITY CONTROLLED CARBON...

ELECTRODE FOR DISCHARGE LAMP AND MANUFACTURING METHOD THEREOF

ELECTRODE FOR DISCHARGE LAMP AND MANUFACTURING METHOD THEREOF