Field-emissive cathodes

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CPC
H01J1/304

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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

Current Industry

H01J1/304Field-emissive cathodes

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Field emission-type tomosynthesis system, emitter for field emissio...
- Patent number 12,087,540
- Issue date Sep 10, 2024
- CAT BEAM TECH CO., LTD.
- Jehwang Ryu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Field emission cathode device and method of forming a field emissio...
- Patent number 12,020,890
- Issue date Jun 25, 2024
- NCX Corporation
- Jian Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and system for cleaning a field emission cathode device
- Patent number 11,996,282
- Issue date May 28, 2024
- NCX Corporation
- Jian Zhang
- B08 - CLEANING
Information Patent Grant
Field emission device, field emission method and positioning and fi...
- Patent number 11,990,308
- Issue date May 21, 2024
- Meidensha Corporation
- Takumi Hayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Field emission cathode device and method of forming a field emissio...
- Patent number 11,967,479
- Issue date Apr 23, 2024
- NCX Corporation
- Jian Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Field-emission type electron source and charged particle beam devic...
- Patent number 11,935,720
- Issue date Mar 19, 2024
- Dazhi Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Carbon nanotube yarn cathode using textile manufacturing methods
- Patent number 11,913,146
- Issue date Feb 27, 2024
- United States of America as represented by the Secretary of the Air Force
- Steven B. Fairchild
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Passive and active diamond-based electron emitters and ionizers
- Patent number 11,875,964
- Issue date Jan 16, 2024
- Physical Sciences, Inc.
- Jonathan D. Rameau
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Composite, electrochemical active material composite using the comp...
- Patent number 11,870,060
- Issue date Jan 9, 2024
- Samsung Electronics Co., Ltd.
- Inhyuk Son
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Field-emission type electron source and charged particle beam devic...
- Patent number 11,848,169
- Issue date Dec 19, 2023
- Dazhi Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Composite, electrochemical active material composite using the comp...
- Patent number 11,837,714
- Issue date Dec 5, 2023
- Samsung Electronics Co., Ltd.
- Inhyuk Son
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Cathode-in-cathode high-power microwave (HPM) vacuum tube source an...
- Patent number 11,798,769
- Issue date Oct 24, 2023
- Raytheon Company
- Eric Alan Berry
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Emitter with excellent structural stability and enhanced efficiency...
- Patent number 11,798,773
- Issue date Oct 24, 2023
- AweXome Ray, Inc.
- Se Hoon Gihm
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3D-printed field emission sources for compact systems
- Patent number 11,791,121
- Issue date Oct 17, 2023
- Massachusetts Institute of Technology
- Luis Fernando Velásquez-García
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Systems, methods and apparatus for fabricating and utilizing a cathode
- Patent number 11,749,486
- Issue date Sep 5, 2023
- Government of the United States as represented by the Secretary of the Air Force
- Brad Winston Hoff
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light modulated electron source
- Patent number 11,715,615
- Issue date Aug 1, 2023
- KLA Corporation
- Edgardo Garcia Berrios
- 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
Method of producing microrods for electron emitters, and associated...
- Patent number 11,651,924
- Issue date May 16, 2023
- FEI Company
- Kun Liu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum channel transistor structures with sub-10 nanometer nanogaps...
- Patent number 11,651,925
- Issue date May 16, 2023
- International Business Machines Corporation
- Joshua T. Smith
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Emitter with excellent structural stability and enhanced efficiency...
- Patent number 11,600,462
- Issue date Mar 7, 2023
- AweXome Ray, Inc.
- Se Hoon Gihm
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Compact electrostatic ion pump
- Patent number 11,569,077
- Issue date Jan 31, 2023
- SRI International
- Sterling Eduardo McBride
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Carbon nanotube field emitter and preparation method thereof
- Patent number 11,542,163
- Issue date Jan 3, 2023
- Tsinghua University
- Peng Liu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Emitter with excellent structural stability and enhanced efficiency...
- Patent number 11,532,453
- Issue date Dec 20, 2022
- AweXome Ray, Inc.
- Se Hoon Gihm
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Carbon-metal structure and method for manufacturing carbon-metal st...
- Patent number 11,527,378
- Issue date Dec 13, 2022
- Waseda University
- Suguru Noda
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Emitter with excellent structural stability and enhanced efficiency...
- Patent number 11,456,145
- Issue date Sep 27, 2022
- AweXome Ray, Inc.
- Se Hoon Gihm
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Electron source operating method
- Patent number 11,430,625
- Issue date Aug 30, 2022
- 38th Research Institute, China Electronics Technology Group Corporation
- Huarong Liu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Emitter, electron gun in which same is used, electronic device in w...
- Patent number 11,417,491
- Issue date Aug 16, 2022
- National Institute for Materials Science
- Jie Tang
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Light modulated electron source
- Patent number 11,417,492
- Issue date Aug 16, 2022
- KLA Corporation
- Edgardo Garcia Berrios
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Systems, methods and apparatus for fabricating and utilizing a cathode
- Patent number 11,373,833
- Issue date Jun 28, 2022
- Government of the United States, as Represented by the Secretary of the Air F...
- Brad Winston Hoff
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Field emission device
- Patent number 11,342,153
- Issue date May 24, 2022
- Electronics and Telecommunications Research Institute
- Jae-Woo Kim
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
CATHODE BASED ON THE MATERIAL C12A7: E (ELECTRIDE) FOR THERMIONIC E...
- Publication number 20240339280
- Publication date Oct 10, 2024
- Advanced Thermal Devices S.L.
- Jose Fabian Plaza Fernandez
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
EMITTER, FIELD EMISSION ASSEMBLY AND ELECTROMAGNETIC WAVE GENERATOR...
- Publication number 20240234074
- Publication date Jul 11, 2024
- AweXome Ray, Inc.
- Hong Soo CHOI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
EMITTER, FIELD EMISSION ASSEMBLY AND ELECTROMAGNETIC WAVE GENERATOR...
- Publication number 20240136142
- Publication date Apr 25, 2024
- AweXome Ray, Inc.
- Hong Soo CHOI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FIELD EMISSION CATHODE DEVICE AND METHOD OF FORMING A FIELD EMISSIO...
- Publication number 20240079196
- Publication date Mar 7, 2024
- NCX Corporation
- Jian ZHANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD AND SYSTEM FOR CLEANING A FIELD EMISSION CATHODE DEVICE
- Publication number 20240079197
- Publication date Mar 7, 2024
- NCX Corporation
- Jian ZHANG
- B08 - CLEANING
Information Patent Application
METHOD OF FORMING FIELD EMISSION CATHODES BY CO-ELECTRODEPOSITION
- Publication number 20230411104
- Publication date Dec 21, 2023
- NCX Corporation
- Cheng QIAN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FIELD EMISSION CATHODE DEVICE AND METHOD FOR FORMING A FIELD EMISSI...
- Publication number 20230369000
- Publication date Nov 16, 2023
- NCX Corporation
- Jian ZHANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FIELD EMISSION CATHODE DEVICE AND METHOD OF FORMING A FIELD EMISSIO...
- Publication number 20230369002
- Publication date Nov 16, 2023
- NCX Corporation
- Jian ZHANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PASSIVE AND ACTIVE DIAMOND-BASED ELECTRON EMITTERS AND IONIZERS
- Publication number 20230005694
- Publication date Jan 5, 2023
- Physical Sciences, Inc.
- Jonathan D. Rameau
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
EMITTER WITH EXCELLENT STRUCTURAL STABILITY AND ENHANCED EFFICIENCY...
- Publication number 20220392730
- Publication date Dec 8, 2022
- AweXome Ray, Inc.
- Se Hoon Gihm
- B82 - NANO-TECHNOLOGY
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
Light Modulated Electron Source
- Publication number 20220336180
- Publication date Oct 20, 2022
- KLA Corporation
- Edgardo Garcia Berrios
- 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
PASSIVE AND ACTIVE DIAMOND-BASED ELECTRON EMITTERS AND IONIZERS
- Publication number 20220037104
- Publication date Feb 3, 2022
- Physical Sciences, Inc.
- Jonathan D. Rameau
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FIELD EMISSION-TYPE TOMOSYNTHESIS SYSTEM, EMITTER FOR FIELD EMISSIO...
- Publication number 20220028644
- Publication date Jan 27, 2022
- UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG-HEE UNIVERSITY
- Jehwang RYU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Thermally Enhanced Compound Field Emitter
- Publication number 20210407758
- Publication date Dec 30, 2021
- The Government of the United States of America, as represented by the Secreta...
- Kevin Jensen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CARBON-METAL STRUCTURE AND METHOD FOR MANUFACTURING CARBON-METAL ST...
- Publication number 20210375572
- Publication date Dec 2, 2021
- WASEDA UNIVERSITY
- Suguru NODA
- B82 - NANO-TECHNOLOGY
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
CHARGED PARTICLE BEAM SOURCE AND A METHOD FOR ASSEMBLING A CHARGED...
- Publication number 20210175040
- Publication date Jun 10, 2021
- APPLIED MATERIALS ISRAEL LTD.
- Itay Asulin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VACUUM CHANNEL TRANSISTOR STRUCTURES WITH SUB-10 NANOMETER NANOGAPS...
- Publication number 20210166908
- Publication date Jun 3, 2021
- International Business Machines Corporation
- Joshua T. Smith
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CATHODE STRUCTURE FOR COLD FIELD ELECTRON EMISSION AND METHOD OF FA...
- Publication number 20210159038
- Publication date May 27, 2021
- National University of Singapore
- Anjam KHURSHEED
- 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
LIGHT MODULATED ELECTRON SOURCE
- Publication number 20210098222
- Publication date Apr 1, 2021
- KLA Corporation
- Edgardo Garcia Berrios
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CARBON NANOTUBE FIELD EMITTER AND PREPARATION METHOD THEREOF
- Publication number 20210094827
- Publication date Apr 1, 2021
- TSINGHUA UNIVERSITY
- PENG LIU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COMPOSITE, ELECTROCHEMICAL ACTIVE MATERIAL COMPOSITE USING THE COMP...
- Publication number 20210057729
- Publication date Feb 25, 2021
- Samsung Electronics Co., Ltd.
- Inhyuk SON
- B82 - NANO-TECHNOLOGY
Information Patent Application
COMPOSITE, ELECTROCHEMICAL ACTIVE MATERIAL COMPOSITE USING THE COMP...
- Publication number 20210050590
- Publication date Feb 18, 2021
- Samsung Electronics Co., Ltd.
- Inhyuk SON
- B82 - NANO-TECHNOLOGY
Information Patent Application
ELECTRON SOURCE OPERATING METHOD
- Publication number 20210050172
- Publication date Feb 18, 2021
- 38th Research Institute, China Electronics Technology Corporation
- Huarong LIU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRON SOURCE REGENERATION METHOD
- Publication number 20210050173
- Publication date Feb 18, 2021
- 38th Research Institute, China Electronics Technology Group Corporation
- Xuehui WANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FIELD EMISSION APPARATUS WITH SUPERIOR STRUCTURAL STABILITY AND X-R...
- Publication number 20210027969
- Publication date Jan 28, 2021
- aweXomeRay Co., Ltd.
- Hong Soo Choi
- B82 - NANO-TECHNOLOGY
Information Patent Application
CARBON NANOTUBE FIELD EMITTER AND PREPARATION METHOD THEREOF
- Publication number 20210017027
- Publication date Jan 21, 2021
- TSINGHUA UNIVERSITY
- PENG LIU
- C01 - INORGANIC CHEMISTRY

Field-emissive cathodes

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Field emission-type tomosynthesis system, emitter for field emissio...

Field emission cathode device and method of forming a field emissio...

Method and system for cleaning a field emission cathode device

Field emission device, field emission method and positioning and fi...

Field emission cathode device and method of forming a field emissio...

Field-emission type electron source and charged particle beam devic...

Carbon nanotube yarn cathode using textile manufacturing methods

Passive and active diamond-based electron emitters and ionizers

Composite, electrochemical active material composite using the comp...

Field-emission type electron source and charged particle beam devic...

Composite, electrochemical active material composite using the comp...

Cathode-in-cathode high-power microwave (HPM) vacuum tube source an...

Emitter with excellent structural stability and enhanced efficiency...

3D-printed field emission sources for compact systems

Systems, methods and apparatus for fabricating and utilizing a cathode

Light modulated electron source

Electron emitter and method of fabricating same

Method of producing microrods for electron emitters, and associated...

Vacuum channel transistor structures with sub-10 nanometer nanogaps...

Emitter with excellent structural stability and enhanced efficiency...

Compact electrostatic ion pump

Carbon nanotube field emitter and preparation method thereof

Emitter with excellent structural stability and enhanced efficiency...

Carbon-metal structure and method for manufacturing carbon-metal st...

Emitter with excellent structural stability and enhanced efficiency...

Electron source operating method

Emitter, electron gun in which same is used, electronic device in w...

Light modulated electron source

Systems, methods and apparatus for fabricating and utilizing a cathode

Field emission device

Patents Applicationslast 30 patents

CATHODE BASED ON THE MATERIAL C12A7: E (ELECTRIDE) FOR THERMIONIC E...

EMITTER, FIELD EMISSION ASSEMBLY AND ELECTROMAGNETIC WAVE GENERATOR...

EMITTER, FIELD EMISSION ASSEMBLY AND ELECTROMAGNETIC WAVE GENERATOR...

FIELD EMISSION CATHODE DEVICE AND METHOD OF FORMING A FIELD EMISSIO...

METHOD AND SYSTEM FOR CLEANING A FIELD EMISSION CATHODE DEVICE

METHOD OF FORMING FIELD EMISSION CATHODES BY CO-ELECTRODEPOSITION

FIELD EMISSION CATHODE DEVICE AND METHOD FOR FORMING A FIELD EMISSI...

FIELD EMISSION CATHODE DEVICE AND METHOD OF FORMING A FIELD EMISSIO...

PASSIVE AND ACTIVE DIAMOND-BASED ELECTRON EMITTERS AND IONIZERS

EMITTER WITH EXCELLENT STRUCTURAL STABILITY AND ENHANCED EFFICIENCY...

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

Light Modulated Electron Source

ELECTRON EMITTER AND METHOD OF FABRICATING SAME

PASSIVE AND ACTIVE DIAMOND-BASED ELECTRON EMITTERS AND IONIZERS

FIELD EMISSION-TYPE TOMOSYNTHESIS SYSTEM, EMITTER FOR FIELD EMISSIO...

Thermally Enhanced Compound Field Emitter

CARBON-METAL STRUCTURE AND METHOD FOR MANUFACTURING CARBON-METAL ST...

THERMIONIC EMISSION DEVICE AND METHOD FOR MAKING THE SAME

CHARGED PARTICLE BEAM SOURCE AND A METHOD FOR ASSEMBLING A CHARGED...

VACUUM CHANNEL TRANSISTOR STRUCTURES WITH SUB-10 NANOMETER NANOGAPS...

CATHODE STRUCTURE FOR COLD FIELD ELECTRON EMISSION AND METHOD OF FA...

ELECTRON EMITTER AND METHOD OF FABRICATING SAME

LIGHT MODULATED ELECTRON SOURCE

CARBON NANOTUBE FIELD EMITTER AND PREPARATION METHOD THEREOF

COMPOSITE, ELECTROCHEMICAL ACTIVE MATERIAL COMPOSITE USING THE COMP...

COMPOSITE, ELECTROCHEMICAL ACTIVE MATERIAL COMPOSITE USING THE COMP...

ELECTRON SOURCE OPERATING METHOD

ELECTRON SOURCE REGENERATION METHOD

FIELD EMISSION APPARATUS WITH SUPERIOR STRUCTURAL STABILITY AND X-R...

CARBON NANOTUBE FIELD EMITTER AND PREPARATION METHOD THEREOF