ClassID:

204466

H01J1/3042 - 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 microengineered, e.g. Spindt-type

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

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

#2
20210166908
2021-06-03

Vacuum channel transistor structures with sub-10 nanometer nanogaps and layered metal electrodes

#3
20200357595
2020-11-12

3D-printed field emission sources for compact systems

#4
20200098534
2020-03-26

Vacuum channel transistor structures with sub-10 nanometer nanogaps and layered metal electrodes

#5
20190378674
2019-12-12

LIGHT EMITTING DIODES, FAST PHOTO-ELECTRON SOURCE AND PHOTODETECTORS WITH SCALED NANOSTRUCTURES AND NANOSCALE METALLIC PHOTONIC CAVITY AND ANTENNA, AND METHOD OF MAKING THE SAME

#6
20190221398
2019-07-18

Electron emitting construct configured with ion bombardment resistant

#7
20190189383
2019-06-20

Devices having an electron emitting structure

#8
20180294131
2018-10-11

Two-dimensional graphene cold cathode, anode, and grid

#9
20170365438
2017-12-21

Compact modular cathode

#10
20170323754
2017-11-09

Two-dimensional graphene cold cathode, anode, and grid

#11
20170004949
2017-01-05

Electron emitting construct configured with ion bombardment resistant

#12
20160372295
2016-12-22

Emitter with deep structuring on front and rear surfaces

#13
20160217962
2016-07-28

Selective synthesis of nanotubes without inhibitor

#14
20160133424
2016-05-12

Photo-electron source assembly with scaled nanostructures and nanoscale metallic photonic resonant cavity, and method of making same

#15
20150092923
2015-04-02

Devices having an electron emitting structure

#16
20150022076
2015-01-22

Electron-emitting cold cathode device

#17
20140292181
2014-10-02

Electron emission element and method for manufacturing the same

#18
20140097741
2014-04-10

Field emission electron source and field emission device

#19
20140037895
2014-02-06

Composite carbon nanotube structure

#20
20130299773
2013-11-14

Low voltage nanoscale vacuum electronic devices

#21
20130280830
2013-10-24

Method for manufacturing a carbon nanotube field emission device with overhanging gate

#22
20130214244
2013-08-22

Carbon nanotube field emission devices and methods of making same

#23
20130113359
2013-05-09

Field emission devices including nanotubes or other nanoscale articles

#24
20120164375
2012-06-28

Method for fabricating composite carbon nanotube structure

#25
20110057164
2011-03-10

CARBON NANOTUBE FIELD EMISSION DEVICE WITH OVERHANGING GATE

#26
20090180946
2009-07-16

FIBER CONTAINING CARBON, SUBSTRATE AND ELECTRON EMISSION DEVICE USING FIBER CONTAINING CARBON, ELECTRON SOURCE USING THE ELECTRON EMISSION DEVICE, DISPLAY PANEL USING THE ELECTRON SOURCE, AND INFORMATION DISPLAYING/PLAYING APPARATUS USING THE DISPLAY PANEL, AND A METHOD OF MANUFACTURING THEREOF

#27
20090072750
2009-03-19

Dense array of field emitters using vertical ballasting structures

#28
20080315746
2008-12-25

Method of Manufacturing Fine Structure, Fine Structure, Display Unit, Method of Manufacturing Recoding Device, and Recoding Device

#29
20080290777
2008-11-27

Electron emitter structure and associated method of producing field emission displays

#30
20080095315
2008-04-24

Method of operating and process for fabricating an electron source

#31
20070221624
2007-09-27

ELECTRON EMISSION DEVICE, METHOD OF MANUFACTURING THE ELECTRON EMISSION DEVICE, AND ELECTRON EMISSION DISPLAY USING THE ELECTRON EMISSION DEVICE

#32
20070096619
2007-05-03

Electron emission source comprising carbon-based material and photoelectric element, method of preparing the same, electron emission device and electron emission display device comprising the electron emission source

#33
20070052339
2007-03-08

Electron emitters with dopant gradient

#34
20070013286
2007-01-18

Method and structure of converging electron-emission source of field-emission display

#35
20060237812
2006-10-26

Electronic emitters with dopant gradient

#36
20060226765
2006-10-12

Electronic emitters with dopant gradient

#37
20060202701
2006-09-14

Vacuum measuring gauge

#38
20060145582
2006-07-06

Planar gated field emission devices

#39
20060103288
2006-05-18

Field emission cathode with field emitters on curved carrier and field emission device using the same

#40
20060103287
2006-05-18

CARBON-NANOTUBE COLD CATHODE AND METHOD FOR FABRICATING THE SAME

#41
20060076867
2006-04-13

Individually electrically addressable carbon nanofibers on insulating substrates

#42
20060074441
2006-04-06

Rotational thrombectomy device

#43
20060049737
2006-03-09

Method and structure of converging electron-emission source of field-emission display

#44
20060049393
2006-03-09

Field emission-type electron source and method of producing the same

#45
20060022569
2006-02-02

Electron emission device with improved electron emission structure for increasing emission efficiency and lowering driving voltage

#46
20060017363
2006-01-26

Field emission device and method for making the same

#47
20050287898
2005-12-29

Method of forming a monolithic base plate for a field emission display (FED) device

#48
20050282301
2005-12-22

Structure and method for field emitter tips

#49
20050236964
2005-10-27

Cathode panel for a cold cathode field emission display and cold cathode field emission display, and method of producing cathode panel for a cold cathode field emission display

#50
20050236953
2005-10-27

Field emission device (FED)

#51
20050179397
2005-08-18

Field emission display utilizing a cathode frame-type gate and anode with alignment method

#52
20050151456
2005-07-14

Electron-beam inspection apparatus and methods of inspecting through-holes using clustered nanotube arrays

#53
20050134161
2005-06-23

Fiber containing carbon, substrate and electron emission device using fiber containing carbon, electron source using the electron emission device, display panel using the electron source, and information displaying/playing apparatus using the display panel, and a method of manufacturing thereof

#54
20050129858
2005-06-16

Forming carbon nanotube emitter

#55
20050090176
2005-04-28

Field emission display and methods of forming a field emission display

#56
20050067937
2005-03-31

Carbon nanotube field emitter array and method for fabricating the same

#57
20050062389
2005-03-24

Diamond triode devices with a diamond microtip emitter

#58
20050046358
2005-03-03

System and method for controlling emission by a micro-fabricated charge-emission device

#59
20050023951
2005-02-03

Electron emitters with dopant gradient

#60
20050020176
2005-01-27

Field emission device fabrication methods, field emission base plates, and field emission display devices

#61
16661141
2020-10-20

Carbon nanotube field emitter and preparation method thereof

#62
16655676
2020-07-14

Carbon nanotube fiber carpet structure

#63
13105249
2014-07-01

Carbon nanotube fiber cathode