ClassID:

206237

H01J2235/062 - CPC Classification

Classification description:

X-ray tubes; Cathode assembly Cold cathodes

Recent Application in this class:
#1
20260081090
2026-03-19

MULTI-DIRECTIONAL CONNECTION HUB AND COLD CATHODE X-RAY TUBE THAT CAN EASILY CHANGE ITS CHARACTERISTICS AND ITS CONNECTION METHOD

#2
20260038762
2026-02-05

CATHODE DEVICE WITH IMPROVED ELECTRON EMITTER CONTACTING

#3
20250379020
2025-12-11

FIELD EFFECT EMITTER MICROSTRUCTURE HAVING A REDUCED GATE CURRENT

#4
20250364204
2025-11-27

FIELD EMISSION DEVICE, AND X-RAY GENERATION DEVICE USING SAME

#5
20250246394
2025-07-31

CATHODE DEVICE WITH IMPROVED ELECTRON EMITTER CONTACTING

#6
20250191871
2025-06-12

FIELD EMISSION X-RAY SOURCE DEVICE

#7
20250140507
2025-05-01

METHOD FOR PRODUCING AN ANODE FOR A COLD CATHODE X-RAY SOURCE

#8
20230197395
2023-06-22

Field emission device, field emission method and positioning and fixing method

#9
20220246383
2022-08-04

CNT X-ray source apparatus including cathode electrode, emitter, gate electrode, focusing electrode and base portion having groove for accommodating cathode electrode

#10
20210375572
2021-12-02

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

#11
20210239629
2021-08-05

Semiconductor metrology and inspection based on an x-ray source with an electron emitter array

#12
20210151272
2021-05-20

Electron emission structure and X-ray tube including the same

#13
20210082653
2021-03-18

Electron-emission device

#14
20200312601
2020-10-01

MBFEX tube

#15
20200161075
2020-05-21

Integrated X-ray source

#16
20190341218
2019-11-07

Electric field radiation device and regeneration processing method

#17
20190221398
2019-07-18

Electron emitting construct configured with ion bombardment resistant

#18
20190214215
2019-07-11

Field emission device and reforming treatment method

#19
20190206652
2019-07-04

Nanoscale X-ray tomosynthesis for rapid analysis of integrated circuit (IC) dies

#20
20180247787
2018-08-30

Vacuum closed tube and X-ray source including the same

#21
20180158640
2018-06-07

Field emission apparatus

#22
20180068821
2018-03-08

Multi-cathode EUV and soft x-ray source

#23
20180005796
2018-01-04

X-ray tube and a controller thereof

#24
20170345611
2017-11-30

Metal jet x-ray tube

#25
20170162359
2017-06-08

Electron source, X-ray source and device using the X-ray source

#26
20170148607
2017-05-25

Field-emission X-ray source

#27
20170111984
2017-04-20

Cartridge-type X-ray source apparatus and X-ray emission apparatus using same

#28
20170004949
2017-01-05

Electron emitting construct configured with ion bombardment resistant

#29
20160206261
2016-07-21

Handheld x-ray device by cold cathode

#30
20160181053
2016-06-23

X-ray imaging systems and devices

#31
20160089102
2016-03-31

COMPACT MEDICAL X-RAY IMAGING APPARATUS

#32
20150332887
2015-11-19

Digital X-ray source

#33
20150312998
2015-10-29

X-ray computed tomography apparatus and photon counting CT apparatus

#34
20150179390
2015-06-25

Radiation generator adjusting beam focusing based upon a diagnostic electrode

#35
20150146848
2015-05-28

Method for coded-source phase contrast X-ray imaging

#36
20150124934
2015-05-07

Distributed, field emission-based X-ray source for phase contrast imaging

#37
20150078509
2015-03-19

X-ray apparatus and a CT device having the same

#38
20140376698
2014-12-25

Stereo X-ray generating device

#39
20140313500
2014-10-23

Lithographic apparatus, device manufacturing method, and method of applying a pattern to a substrate

#40
20140247919
2014-09-04

Image guided radiotherapy with dual source and dual detector arrays tetrahedron beam computed tomography

#41
20140226791
2014-08-14

X-ray tube

#42
20140010347
2014-01-09

Mesh electrode adhesion structure, electron emission device and electronic apparatus including the electron emission device

#43
20130294580
2013-11-07

X-ray generator, X-ray imaging apparatus, and control methods therefor

#44
20120257723
2012-10-11

ELECTRON BEAM GENERATOR AND X-RAY GENERATOR INCLUDING THE SAME

#45
20120201353
2012-08-09

X-ray generating apparatus and X-ray imaging system having the same

#46
20120163531
2012-06-28

Tetrahedron beam computed tomography with multiple detectors and/or source arrays

#47
20120140895
2012-06-07

Multi X-ray generator and multi X-ray imaging apparatus

#48
20120057669
2012-03-08

X-ray source with a plurality of electron emitters

#49
20120027181
2012-02-02

X-ray generator and composite device using the same and X-ray generating method

#50
20120027177
2012-02-02

Industrial X-ray tube

#51
20120027173
2012-02-02

STRUCTURED ELECTRON EMITTER FOR CODED SOURCE IMAGING WITH AN X-RAY TUBE

#52
20110305312
2011-12-15

X-RAY SOURCE COMPRISING A FIELD EMISSION CATHODE

#53
20110286581
2011-11-24

Multibeam x-ray source with intelligent electronic control systems and related methods

#54
20110268341
2011-11-03

Method for increasing updating rate of reconstruction of a current three-dimensional image dataset of an object during a monitoring process and X-ray device

#55
20110255664
2011-10-20

X-ray source and X-ray photographing apparatus including the source

#56
20110254432
2011-10-20

SUBSTRATE FOR A FIELD EMITTER, AND METHOD TO PRODUCE THE SUBSTRATE

#57
20110249802
2011-10-13

Multi X-ray generating apparatus and X-ray imaging apparatus

#58
20110249796
2011-10-13

Multi X-ray imaging apparatus and control method therefor

#59
20110188634
2011-08-04

X-ray generation device and cathode thereof

#60
20110170663
2011-07-14

Medical X-ray imaging system

#61
20110142204
2011-06-16

Apparatus for modifying electron beam aspect ratio for X-ray generation

#62
20110116603
2011-05-19

Microminiature X-ray tube with triode structure using a nano emitter

#63
20110115363
2011-05-19

Electron emitter and field emission device provided with electron emitter

#64
20110090476
2011-04-21

Lithographic apparatus and device manufacturing method of applying a pattern to a substrate using sensor and alignment mark

#65
20110085641
2011-04-14

Multi X-ray generator and multi X-ray imaging apparatus

#66
20110075809
2011-03-31

Method and device for recording a projection dataset of an object using a plurality of X-ray sources

#67
20110075804
2011-03-31

X-ray imaging method and x-ray imaging system

#68
20110075802
2011-03-31

FIELD EMISSION X-RAY SOURCE WITH MAGNETIC FOCAL SPOT SCREENING

#69
20110058651
2011-03-10

DEVICE AND METHOD FOR X-RAY EXAMINATION OF AN OBJECT FOR MATERIAL DEFECTS BY MEANS OF X-RAYS

#70
20110038465
2011-02-17

Carbon nanotube array for focused field emission

#71
20110007874
2011-01-13

Multiple energy X-ray source

#72
20110002442
2011-01-06

CIRCULAR TOMOSYNTHESIS X-RAY TUBE

#73
20110002439
2011-01-06

Tetrahedron beam computed tomography

#74
20100329429
2010-12-30

Multi X-ray generator and multi X-ray imaging apparatus

#75
20100310051
2010-12-09

X-ray generator, X-ray imaging apparatus, and control methods therefor

#76
20100290593
2010-11-18

X-rays source comprising at least one electron source combined with a photoelectric control device

#77
20100289577
2010-11-18

Cascade voltage amplifier and method of activating cascaded electron tubes

#78
20100266097
2010-10-21

Multi X-ray imaging apparatus and control method therefor

#79
20100246766
2010-09-30

Miniature X-ray source device for effecting radiation therapy

#80
20100226479
2010-09-09

Multicathode X-ray tube

#81
20100195801
2010-08-05

Miniature, low-power X-ray tube using a microchannel electron generator electron source

#82
20100195796
2010-08-05

Radiographic apparatus

#83
20100189223
2010-07-29

DIGITALLY ADDRESSED FLAT PANEL X-RAY SOURCES

#84
20100181894
2010-07-22

Field electron emitter including nucleic acid-coated carbon nanotube and method of manufacturing the same

#85
20100067651
2010-03-18

Methods and apparatus for x-ray imaging with focal spot deflection

#86
20100034450
2010-02-11

METHOD AND DEVICE FOR PRODUCING A TOMOSYNTHETIC 3D X-RAY IMAGE

#87
20090316860
2009-12-24

Multi X-ray generator and multi X-ray imaging apparatus

#88
20090285362
2009-11-19

Flash X-ray irradiator

#89
20090272915
2009-11-05

Soft X-ray generation apparatus and static elimination apparatus

#90
20090245468
2009-10-01

Field emitter based electron source with minimized beam emittance growth

#91
20090232279
2009-09-17

X-RAY SOURCE WITH NONPARALLEL GEOMETRY

#92
20090232270
2009-09-17

Multi X-ray generating apparatus and X-ray imaging apparatus

#93
20090185661
2009-07-23

Virtual matrix control scheme for multiple spot X-ray source

#94
20090185660
2009-07-23

Field emitter based electron source for multiple spot X-ray

#95
20090167140
2009-07-02

Carbon based field emission cathode and method of manufacturing the same

#96
20090134127
2009-05-28

Electron beam heating system having carbon nanotubes

#97
20090086918
2009-04-02

X-ray tube with transmission anode

#98
20090060137
2009-03-05

Electron source

#99
20080187093
2008-08-07

X-RAY GENERATION USING SECONDARY EMISSION ELECTRON SOURCE

#100
20080069420
2008-03-20

Methods, systems, and computer program products for binary multiplexing x-ray radiography

#101
20080043920
2008-02-21

Micro-focus field emission x-ray sources and related methods

#102
20080008294
2008-01-10

X-ray source with nonparallel geometry

#103
20070280408
2007-12-06

Tetrahedron beam computed tomography

#104
20070274454
2007-11-29

X-RAY RADIATOR WITH A THERMIONIC PHOTOCATHODE

#105
20070274453
2007-11-29

X-ray radiator with a photocathode irradiated with a deflected laser beam

#106
20070237300
2007-10-11

X-ray tube system with disassembled carbon nanotube substrate for generating micro focusing level electron-beam

#107
20070237296
2007-10-11

Decontamination using planar X-ray sources

#108
20070206726
2007-09-06

Systems and methods for x-ray imaging and scanning of objects

#109
20070086571
2007-04-19

Device for generation of x-ray radiation with a cold electron source

#110
20070064872
2007-03-22

X-ray radiator with thermionic emission of electrons from a laser-irradiated cathode

#111
20060284121
2006-12-21

Cold electron emitter

#112
20060274889
2006-12-07

Method and apparatus for controlling electron beam current

#113
20060169969
2006-08-03

Bandgap cascade cold cathode

#114
20060098783
2006-05-11

Electron emitter assembly and method for adjusting a power level of electron beams

#115
20050281379
2005-12-22

Devices and methods for producing multiple x-ray beams from multiple locations

#116
20050276382
2005-12-15

X-ray source with nonparallel geometry