ClassID:

204469

H01J1/3048 - CPC Classification

Classification description:

Details 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; Main electrodes; Cold cathodes, e.g. field-emissive cathode; Field-emissive cathodes Distributed particle emitters

Recent Application in this class:
#1
20250379018
2025-12-11

CATHODES HAVING CARBON NANOTUBE (CNT) FIBERS WOUND ONTO GRAPHITE SUBSTRATES OR FRAMEWORKS

#2
20250191870
2025-06-12

HYDROGEN ACTIVATION/IONIZATION ACCELERATING APPARATUS HAVING FINGERPRINT-TYPE PANEL STACK STRUCTURE

#3
20240079197
2024-03-07

Method and system for cleaning a field emission cathode device

#4
20230411104
2023-12-21

METHOD OF FORMING FIELD EMISSION CATHODES BY CO-ELECTRODEPOSITION

#5
20200388459
2020-12-10

SILICON FIELD EFFECT EMITTER

#6
20190304731
2019-10-03

Electron emission source and method for fabricating the same

#7
20190157033
2019-05-23

Electron emission element, electrification apparatus, and image forming apparatus

#8
20190080870
2019-03-14

Electron emission device, method for manufacturing same, and method for manufacturing electronic device

#9
20190045617
2019-02-07

Target structure for enhanced electron screening

#10
20180294131
2018-10-11

Two-dimensional graphene cold cathode, anode, and grid

#11
20170245814
2017-08-31

Method of designing an X-ray emitter panel

#12
20150047079
2015-02-12

Iridium tip, gas field ion source, focused ion beam apparatus, electron source, electron microscope, electron beam applied analysis apparatus, ion-electron multi-beam apparatus, scanning probe microscope, and mask repair apparatus

#13
20130187123
2013-07-25

Field emission device and method of fabricating the same

#14
20120308716
2012-12-06

Manufacturing method of CNT emitter with density controlled carbon nanotube

#15
20110007874
2011-01-13

Multiple energy X-ray source

#16
20100320439
2010-12-23

Carbon nanotube structure and method of vertically aligning carbon nanotubes

#17
20100254886
2010-10-07

Carbon nanotube particulates, compositions and use thereof

#18
20100219744
2010-09-02

Field emission electrode, manufacturing method thereof, and electronic device

#19
20090310742
2009-12-17

X-ray system for dental diagnosis and oral cancer therapy based on nano-material and method thereof

#20
20090185661
2009-07-23

Virtual matrix control scheme for multiple spot X-ray source

#21
20090185660
2009-07-23

Field emitter based electron source for multiple spot X-ray

#22
20090104834
2009-04-23

Process for improving the emission of electron field emitters

#23
20080299864
2008-12-04

Process for improving the emission of electron field emitters

#24
20080278059
2008-11-13

Electron-emitting device, electron source, image display apparatus and method for manufacturing electron-emitting device

#25
20080260937
2008-10-23

Luminescent Screen

#26
20080197766
2008-08-21

Method for making nanostructures

#27
20080194168
2008-08-14

Method for making an emissive cathode

#28
20080174229
2008-07-24

Composition for forming electron emission sources, method of manufacturing the same, and electron emission sources and electron emission device manufactured using the method

#29
20080070468
2008-03-20

Method for manufacturing electron-emitting device

#30
20080029145
2008-02-07

Diamond-like carbon thermoelectric conversion devices and methods for the use and manufacture thereof

#31
20080004380
2008-01-03

Composition and method for preparing electron emitter, electron emitter prepared therefrom, and flat panel display comprising the same

#32
20070222364
2007-09-27

Field emission plane light source and method for making the same

#33
20070209192
2007-09-13

Electron-emitting device manufacturing method, electron source manufacturing method, image-forming apparatus manufacturing method, and information displaying and playing apparatus manufacturing method

#34
20070200477
2007-08-30

NANOFABRICATION

#35
20070160758
2007-07-12

Process for improving the emissions of electron field emitters

#36
20070132363
2007-06-14

Light source for projection system

#37
20070126312
2007-06-07

DLC field emission with nano-diamond impregnated metals

#38
20070082426
2007-04-12

Carbon nanotube structure and method of vertically aligning carbon nanotubes

#39
20060276099
2006-12-07

Method of manufacturing a field emitting electrode

#40
20060261719
2006-11-23

Field emitter device

#41
20060228977
2006-10-12

Electron emitting device using carbon fiber; electron source; image display device; method of manufacturing the electron emitting device; method of manufacturing electron source using the electron emitting device; and method of manufacturing image display device

#42
20060226763
2006-10-12

Display device with electron emitters and method for making the same

#43
20060113891
2006-06-01

Field emission electrode, manufacturing method thereof, and electronic device

#44
20060082278
2006-04-20

Composition for preparing electron emission source, method for preparing electron emission source using the composition, and electron emission source

#45
20060066199
2006-03-30

Electron-emitting device and manufacturing method thereof

#46
20060061257
2006-03-23

Field emission cold cathode device of lateral type

#47
20060049743
2006-03-09

Flat panel display

#48
20060049741
2006-03-09

Process for improving the emission of electron field emitters

#49
20050269928
2005-12-08

Long life-time field emitter for field emission device and method for fabricating the same

#50
20050248250
2005-11-10

Cathode structure for explosive electron emission and method of forming the same

#51
20050231091
2005-10-20

Process for improving the emission of electron field emitters

#52
20050225228
2005-10-13

Field electron emission materials and devices

#53
20050168122
2005-08-04

Heterodiamondoid-containing field emission devices

#54
20050153619
2005-07-14

Method of manufacturing an electron emitting device with carbon nanotubes

#55
20050153618
2005-07-14

Spray with carbon nanotubes and method to spray the same

#56
20050116602
2005-06-02

Field electron emitting device

#57
20050116601
2005-06-02

Electron-emitting device manufacturing method, electron source manufacturing method, image-forming apparatus manufacturing method, and information displaying and playing apparatus manufacturing method

#58
20050104506
2005-05-19

Triode Field Emission Cold Cathode Devices with Random Distribution and Method

#59
20050059311
2005-03-17

Flexible display panel method

#60
20050023950
2005-02-03

Composition for forming an electron emission source for a flat panel display device and the electron emission source fabricated therefrom

#61
20050019576
2005-01-27

Nucleation of diamond films using higher diamondoids

#62
20050002851
2005-01-06

Carbon nanotube particulates, compositions and use thereof

#63
20050001529
2005-01-06

Barrier metal layer for a carbon nanotube flat panel display

#64
18680888
2025-06-17

Process for fabricating high current field emission cathode containing nanomaterials

#65
13485721
2014-09-16

Copper nanowire production for interconnect applications