Electron guns using field-emission, photo-emission, or secondary-emission electron source

Industry

CPC
H01J29/481

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Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00

Current Industry

H01J29/481Electron guns using field-emission, photo-emission, or secondary-emission electron source

Industries

Patents Grantslast 30 patents

Information Patent Grant
Regulated charged particle beam emitter systems and methods
- Patent number 11,899,159
- Issue date Feb 13, 2024
- Schlumberger Technology Corporation
- Jani Reijonen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron source and electron source unit
- Patent number 11,476,075
- Issue date Oct 18, 2022
- Japan Aerospace Exploration Agency
- Yasushi Ohkawa
- 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
Information Patent Grant
Thruster device
- Patent number 11,187,213
- Issue date Nov 30, 2021
- Ankur Bhatt
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun and apparatus incorporating the same
- Patent number 10,916,399
- Issue date Feb 9, 2021
- City University of Hong Kong
- Fu-Rong Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Radial radio frequency (RF) electron guns
- Patent number 10,854,417
- Issue date Dec 1, 2020
- Triad National Security, LLC
- John Lewellen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Image intensifier sensor as well as an imaging device comprising su...
- Patent number 10,790,109
- Issue date Sep 29, 2020
- Photonis Netherlands B.V.
- Bjorn Pluis
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Tunable quantum confinement and quantum dot photocathode
- Patent number 10,395,882
- Issue date Aug 27, 2019
- Triad National Security, LLC
- Nathan Moody
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Compact modular cathode
- Patent number 10,319,554
- Issue date Jun 11, 2019
- Massachusetts Institute of Technology
- Akintunde I. Akinwande
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Charged particles accelerator apparatus, charged particle gun and m...
- Patent number 10,304,651
- Issue date May 28, 2019
- Deutsches Elektronen-Synchrotron DESY
- Arya Fallahi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Emitter, electron gun using emitter, electronic apparatus using ele...
- Patent number 10,026,585
- Issue date Jul 17, 2018
- National Institute for Materials Science
- Jie Tang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Variable field emission device
- Patent number 9,824,845
- Issue date Nov 21, 2017
- Elwha LLC
- Jesse R. Cheatham
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron emission device and transistor provided with the same
- Patent number 9,779,906
- Issue date Oct 3, 2017
- Kabushiki Kaisha Toyota Chuo Kenkyusho
- Tsuyoshi Ishikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron gun, charged particle gun, and charged particle beam appar...
- Patent number 9,570,268
- Issue date Feb 14, 2017
- Hitachi High-Technologies Corporation
- Yuta Imai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Performance optimization of a field emission device
- Patent number 9,384,933
- Issue date Jul 5, 2016
- Elwha LLC
- Roderick A. Hyde
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Field emission device with AC output
- Patent number 9,349,562
- Issue date May 24, 2016
- Elwha LLC
- Jesse R. Cheatham
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Photocathode high-frequency electron-gun cavity apparatus
- Patent number 9,224,571
- Issue date Dec 29, 2015
- INTER-UNIVERSITY RESEARCH INSTITUTE CORPORATION
- Junji Urakawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Variable field emission device
- Patent number 9,171,690
- Issue date Oct 27, 2015
- Elwha LLC
- Jesse R. Cheatham
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Field emission X-ray tube and method of focusing electron beam usin...
- Patent number 9,105,437
- Issue date Aug 11, 2015
- Electronics and Telecommunications Research Institute
- Sungyoul Choi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Performance optimization of a field emission device
- Patent number 9,018,861
- Issue date Apr 28, 2015
- Elwha LLC
- Roderick A. Hyde
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Materials and configurations of a field emission device
- Patent number 8,969,848
- Issue date Mar 3, 2015
- Elwha LLC
- Jesse R. Cheatham
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Time-varying field emission device
- Patent number 8,970,113
- Issue date Mar 3, 2015
- Elwha LLC
- Jesse R. Cheatham
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Anode with suppressor grid
- Patent number 8,946,992
- Issue date Feb 3, 2015
- Elwha LLC
- Jesse R. Cheatham
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dielectric-free triode field emission display device based on doubl...
- Patent number 8,890,430
- Issue date Nov 18, 2014
- Tailiang Guo
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Addressable array of field emission devices
- Patent number 8,810,161
- Issue date Aug 19, 2014
- Elwha LLC
- Jesse R. Cheatham
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Field emission device with AC output
- Patent number 8,810,131
- Issue date Aug 19, 2014
- Elwha LLC
- Jesse R. Cheatham
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Field emission device
- Patent number 8,803,435
- Issue date Aug 12, 2014
- Elwha LLC
- Roderick A. Hyde
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Materials and configurations of a field emission device
- Patent number 8,692,226
- Issue date Apr 8, 2014
- Elwha LLC
- Jesse R. Cheatham
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Field emission device
- Patent number 8,575,842
- Issue date Nov 5, 2013
- Elwha LLC
- Roderick A. Hyde
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron emission element and imaging device having the same
- Patent number 8,436,332
- Issue date May 7, 2013
- Pioneer Corporation
- Masaki Yoshinari
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Electron emission methods to generate electron beams with a narrow...
- Publication number 20240145204
- Publication date May 2, 2024
- The Regents of the University of California
- Alexander Stibor
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER SUPPLY CIRCUIT AND FIELD EMISSION ELECTRON SOURCE
- Publication number 20230036712
- Publication date Feb 2, 2023
- NuRay Technology Co., Ltd.
- Huaping TANG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRON SOURCE AND ELECTRON SOURCE UNIT
- Publication number 20220157551
- Publication date May 19, 2022
- JAPAN AEROSPACE EXPLORATION AGENCY
- Yasushi OHKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FIELD EMISSION DEVICE
- Publication number 20210305002
- Publication date Sep 30, 2021
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Jae-Woo KIM
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
THRUSTER DEVICE
- Publication number 20200332780
- Publication date Oct 22, 2020
- Ankur BHATT
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Regulated Charged Particle Beam Emitter Systems and Methods
- Publication number 20200321182
- Publication date Oct 8, 2020
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Jani Reijonen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Emitter, Electron Gun Using Emitter, Electronic Apparatus Using Ele...
- Publication number 20180019091
- Publication date Jan 18, 2018
- National Institute for Materials Science
- Jie Tang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COMPACT MODULAR CATHODE
- Publication number 20170365438
- Publication date Dec 21, 2017
- Massachusetts Institute of Technology
- Akintunde I. Akinwande
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CHARGED PARTICLES ACCELERATOR APPARATUS, CHARGED PARTICLE GUN AND M...
- Publication number 20170263410
- Publication date Sep 14, 2017
- DEUTSCHES ELEKTRONEN-SYNCHROTRON DESY
- Arya FALLAHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
IMAGE INTENSIFIER SENSOR AS WELL AS AN IMAGING DEVICE COMPRISING SU...
- Publication number 20170250049
- Publication date Aug 31, 2017
- PHOTONIS NETHERLANDS B.V.
- Bjorn Pluis
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRON EMISSION DEVICE AND TRANSISTOR PROVIDED WITH THE SAME
- Publication number 20170243712
- Publication date Aug 24, 2017
- KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO
- Tsuyoshi ISHIKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FIELD EMISSION DEVICE
- Publication number 20160148776
- Publication date May 26, 2016
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Jin Woo JEONG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRON GUN, CHARGED PARTICLE GUN, AND CHARGED PARTICLE BEAM APPAR...
- Publication number 20160104597
- Publication date Apr 14, 2016
- Hitachi High-Technologies Corporation
- Yuta IMAI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cathode arrangement, electron gun, and lithography system comprisin...
- Publication number 20150187533
- Publication date Jul 2, 2015
- MAPPER LITHOGRAPHY IP BV
- Laura DINU-GÜRTLER
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FIELD EMISSION DEVICE
- Publication number 20140361242
- Publication date Dec 11, 2014
- Roderick A. Hyde
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FIELD EMISSION DEVICE WITH AC OUTPUT
- Publication number 20140333213
- Publication date Nov 13, 2014
- Jesse R. Cheatham
- B82 - NANO-TECHNOLOGY
Information Patent Application
Low power laser CRT and projection system based on parallel flow el...
- Publication number 20140232994
- Publication date Aug 21, 2014
- Zhongping Xia
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MATERIALS AND CONFIGURATIONS OF A FIELD EMISSION DEVICE
- Publication number 20140159590
- Publication date Jun 12, 2014
- Jesse R. Cheatham
- B82 - NANO-TECHNOLOGY
Information Patent Application
symmetric quadrupole structured field emission display without spacer
- Publication number 20140111083
- Publication date Apr 24, 2014
- Tailiang Guo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FIELD EMISSION DEVICE
- Publication number 20140091716
- Publication date Apr 3, 2014
- Elwha LLC, a limited liability company of the State of Delaware
- Roderick A. Hyde
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TIME-VARYING FIELD EMISSION DEVICE
- Publication number 20140070696
- Publication date Mar 13, 2014
- Elwha LLC
- Jesse R. Cheatham
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FIELD EMISSION X-RAY TUBE AND METHOD OF FOCUSING ELECTRON BEAM USIN...
- Publication number 20130336459
- Publication date Dec 19, 2013
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Sungyoul CHOI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
dielectric-free triode field emission display device based on doubl...
- Publication number 20130241434
- Publication date Sep 19, 2013
- Tailiang Guo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VARIABLE FIELD EMISSION DEVICE
- Publication number 20130229105
- Publication date Sep 5, 2013
- Elwha LLC
- Jesse R. Cheatham
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ADDRESSABLE ARRAY OF FIELD EMISSION DEVICES
- Publication number 20130229133
- Publication date Sep 5, 2013
- Elwha LLC,a limited liability company of the State of Delaware
- Jesse R. Cheatham
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FIELD EMISSION DEVICE WITH AC OUTPUT
- Publication number 20130221843
- Publication date Aug 29, 2013
- Jesse R. Cheatham
- B82 - NANO-TECHNOLOGY
Information Patent Application
PHOTOCATHODE HIGH-FREQUENCY ELECTRON-GUN CAVITY APPARATUS
- Publication number 20130187541
- Publication date Jul 25, 2013
- Junji Urakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ANODE WITH SUPPRESSOR GRID
- Publication number 20130169108
- Publication date Jul 4, 2013
- Elwha LLC
- Jesse R. Cheatham
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MATERIALS AND CONFIGURATIONS OF A FIELD EMISSION DEVICE
- Publication number 20130168635
- Publication date Jul 4, 2013
- Elwha LLC, a limited liability company of the State of Delaware
- Jesse R. Cheatham
- B82 - NANO-TECHNOLOGY
Information Patent Application
Field emission device
- Publication number 20130169156
- Publication date Jul 4, 2013
- Elwha LLC, a limited liability company of the State of Delaware
- Roderick A. Hyde
- H01 - BASIC ELECTRIC ELEMENTS

Electron guns using field-emission, photo-emission, or secondary-emission electron source

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Regulated charged particle beam emitter systems and methods

Electron source and electron source unit

Field emission device

Thruster device

Electron gun and apparatus incorporating the same

Radial radio frequency (RF) electron guns

Image intensifier sensor as well as an imaging device comprising su...

Tunable quantum confinement and quantum dot photocathode

Compact modular cathode

Charged particles accelerator apparatus, charged particle gun and m...

Emitter, electron gun using emitter, electronic apparatus using ele...

Variable field emission device

Electron emission device and transistor provided with the same

Electron gun, charged particle gun, and charged particle beam appar...

Performance optimization of a field emission device

Field emission device with AC output

Photocathode high-frequency electron-gun cavity apparatus

Variable field emission device

Field emission X-ray tube and method of focusing electron beam usin...

Performance optimization of a field emission device

Materials and configurations of a field emission device

Time-varying field emission device

Anode with suppressor grid

Dielectric-free triode field emission display device based on doubl...

Addressable array of field emission devices

Field emission device with AC output

Field emission device

Materials and configurations of a field emission device

Field emission device

Electron emission element and imaging device having the same

Patents Applicationslast 30 patents

Electron emission methods to generate electron beams with a narrow...

POWER SUPPLY CIRCUIT AND FIELD EMISSION ELECTRON SOURCE

ELECTRON SOURCE AND ELECTRON SOURCE UNIT

FIELD EMISSION DEVICE

THRUSTER DEVICE

Regulated Charged Particle Beam Emitter Systems and Methods

Emitter, Electron Gun Using Emitter, Electronic Apparatus Using Ele...

COMPACT MODULAR CATHODE

CHARGED PARTICLES ACCELERATOR APPARATUS, CHARGED PARTICLE GUN AND M...

IMAGE INTENSIFIER SENSOR AS WELL AS AN IMAGING DEVICE COMPRISING SU...

ELECTRON EMISSION DEVICE AND TRANSISTOR PROVIDED WITH THE SAME

FIELD EMISSION DEVICE

ELECTRON GUN, CHARGED PARTICLE GUN, AND CHARGED PARTICLE BEAM APPAR...

Cathode arrangement, electron gun, and lithography system comprisin...

FIELD EMISSION DEVICE

FIELD EMISSION DEVICE WITH AC OUTPUT

Low power laser CRT and projection system based on parallel flow el...

MATERIALS AND CONFIGURATIONS OF A FIELD EMISSION DEVICE

symmetric quadrupole structured field emission display without spacer

FIELD EMISSION DEVICE

TIME-VARYING FIELD EMISSION DEVICE

FIELD EMISSION X-RAY TUBE AND METHOD OF FOCUSING ELECTRON BEAM USIN...

dielectric-free triode field emission display device based on doubl...

VARIABLE FIELD EMISSION DEVICE

ADDRESSABLE ARRAY OF FIELD EMISSION DEVICES

FIELD EMISSION DEVICE WITH AC OUTPUT

PHOTOCATHODE HIGH-FREQUENCY ELECTRON-GUN CAVITY APPARATUS

ANODE WITH SUPPRESSOR GRID

MATERIALS AND CONFIGURATIONS OF A FIELD EMISSION DEVICE

Field emission device