H01J2201/30492 - CPC Classification Index

ClassID:

205807 ⎘

H01J2201/30492 - CPC Classification

Classification description:

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

Recent Application in this class:

20250357069

2025-11-20

JUNCTION BETWEEN HEXABORIDE-CONTAINING AND TANTALUM-CONTAINING COMPONENTS

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

20180005791

2018-01-04

High brightness boron-containing electron beam emitters for use in a vacuum environment

20160181051

2016-06-23

Nanoparticle-templated lithographic patterning of nanoscale electronic components

20130200776

2013-08-08

Field emission cathode

20110175038

2011-07-21

COATED CARBON NANOFLAKES

20100136869

2010-06-03

Method of fabricating electron-emitting device and method of manufacturing image display apparatus

#10

20100134313

2010-06-03

Electron-emitting device and display panel including the same

#11

20100053126

2010-03-04

ELECTRON EMISSION DEVICE AND IMAGE DISPLAY PANEL USING THE SAME, AND IMAGE DISPLAY APPARATUS AND INFORMATION DISPLAY APPARATUS

#12

20090146547

2009-06-11

Field electron emission source

#13

18665386

2025-08-12

Electrode and filament coupled by adapter