H01J2201/30403 - CPC Classification Index

ClassID:

205784 ⎘

H01J2201/30403 - CPC Classification

Classification description:

Electrodes common to discharge tubes; Cold cathodes; Field emission cathodes characterised by the emitter shape

Sub-classes:

H01J2201/30407 » Micro-engineered point emitters 15
H01J2201/30419 » Pillar shaped emitters 5
H01J2201/30423 » Micro-engineered edge emitters 22
H01J2201/30426 » Coatings on the emitter surface, e.g. with low work function materials 16
H01J2201/3043 » Fibres 12
H01J2201/30434 » Nanotubes 26
H01J2201/30438 » Particles 0
H01J2201/30442 » Whiskers 0

Recent Application in this class:

20220189725

2022-06-16

Electron emitter and method of fabricating same

20210142975

2021-05-13

Electron emitter and method of fabricating same

20190172674

2019-06-06

Electron emitter and method of fabricating same

20180012721

2018-01-11

Electron emitting device using graphite adhesive material and manufacturing method for the same

20120090986

2012-04-19

Method of fabricating composite field emission source

20110101847

2011-05-05

FIELD EMISSION CATHODE PLATE AND METHOD FOR FABRICATING THE SAME

20100314989

2010-12-16

Patterning a thick film paste in surface features

20100123382

2010-05-20

Field emission cathode plate and method for fabricating the same

20100119825

2010-05-13

Crystalline nanostructures

#10

20090167147

2009-07-02

Composite field emission source

#11

20090134766

2009-05-28

ELECTRON EMISSION SOURCE, ELECTRON EMISSION DEVICE, ELECTRON EMISSION TYPE BACKLIGHT UNIT AND ELECTRON EMISSION DISPLAY DEVICE

#12

20090015133

2009-01-15

FIELD EMISSION DEVICE AND ELECTRODE STRUCTURE THEREOF

#13

20080095315

2008-04-24

Method of operating and process for fabricating an electron source

#14

20080074031

2008-03-27

Field emission display and method for manufacturing same

#15

20070052339

2007-03-08

Electron emitters with dopant gradient

#16

20060244364

2006-11-02

Field emission type cold cathode device, manufacturing method thereof and vacuum micro device

#17

20060237812

2006-10-26

Electronic emitters with dopant gradient

#18

20060226765

2006-10-12

Electronic emitters with dopant gradient

#19

20050282301

2005-12-22

Structure and method for field emitter tips

#20

20050040752

2005-02-24

Triode structure field emission display device using carbon nanotubes and method of fabricating the same

#21

20050023951

2005-02-03

Electron emitters with dopant gradient

#22

20050001536

2005-01-06

Field emission source with plural emitters in an opening