H01J1/308 - CPC Classification Index

ClassID:

204470 ⎘

H01J1/308 - 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 Semiconductor cathodes, e.g. cathodes with PN junction layers

Recent Application in this class:

20250364204

2025-11-27

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

20250364199

2025-11-27

ELECTRON SOURCE

20240145202

2024-05-02

SUBSTRATE STACK EPITAXIES FOR PHOTOCATHODES FOR EXTENDED WAVELENGTHS

20220216026

2022-07-07

Electron emission device and electron microscope

20220139660

2022-05-05

Electron emitting element and power generation element

20210375571

2021-12-02

Vacuum channel field effect transistor, producing method thereof, and semiconductor device

20200027683

2020-01-23

Diamond semiconductor device

20190080870

2019-03-14

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

20180198027

2018-07-12

ELECTRON EMITTER AND LIGHT EMITTING APPARATUS COMPRISING SAME

#10

20180040449

2018-02-08

Microstructured surface with low work function

#11

20170365507

2017-12-21

Field emission devices and methods of making thereof

#12

20170170363

2017-06-15

Methods for producing composite GaN nanocolumns and light emitting structures made from the methods

#13

20170117112

2017-04-27

Nanoparticle-templated lithographic patterning of nanoscale electronic components

#14

20160343532

2016-11-24

Photocathode including field emitter array on a silicon substrate with boron layer

#15

20160307722

2016-10-20

Nano vacuum gap device with a gate-all-around cathode

#16

20160181051

2016-06-23

Nanoparticle-templated lithographic patterning of nanoscale electronic components

#17

20150206692

2015-07-23

Electron emission device and electron emission display

#18

20150206691

2015-07-23

Electron emission device and electron emission display

#19

20150206689

2015-07-23

Electron emission source

#20

20150170864

2015-06-18

THREE ELECTRODE CIRCUIT ELEMENT

#21

20150060758

2015-03-05

Field emission devices and methods of manufacturing emitters thereof

#22

20150060757

2015-03-05

FIELD EMISSION DEVICES AND METHODS OF MANUFACTURING GATE ELECTRODES THEREOF

#23

20140361242

2014-12-11

Field emission device

#24

20140326943

2014-11-06

Semiconductor device for electron emission in a vacuum

#25

20140028192

2014-01-30

Field emission devices and methods of making thereof

#26

20130248815

2013-09-26

Semiconductor photocathode and method for manufacturing the same

#27

20130169156

2013-07-04

Field emission device

#28

20120175641

2012-07-12

DIAMOND N-TYPE SEMICONDUCTOR, METHOD OF MANUFACTURING THE SAME, SEMICONDUCTOR DEVICE, AND ELECTRON EMITTING DEVICE

#29

20080042144

2008-02-21

Electron emitting device with projection comprising base portion and electron emission portion

#30

20070272929

2007-11-29

Diamond N-Type Semiconductor, Method of Manufacturing the Same, Semiconductor Device, and Electron Emitting Device

#31

20070117251

2007-05-24

Display device, flat lamp and method of fabricating the display device and flat lamp

#32

20070080626

2007-04-12

Light emitting device using electron emission and flat display apparatus using the same

#33

20060290291

2006-12-28

Method and apparatus for modifying object with electrons generated from cold cathode electron emitter

#34

20060244352

2006-11-02

Diamond electron emitter and electron beam source using same

#35

20060169969

2006-08-03

Bandgap cascade cold cathode

#36

20060017049

2006-01-26

Large area electron emission system for application in mask-based lithography, maskless lithography II and microscopy

#37

20050264157

2005-12-01

Discharge lamp and discharge electrode having an electron-emitting layer including a plurality of protrusions separated by grooves

#38

20050159071

2005-07-21

Fabrication process for planer electron emitters

#39

20050156500

2005-07-21

Storage apparatus having a planar electron emitter

#40

20050133735

2005-06-23

Electron emitting device with projection comprising base portion and electron emission portion

#41

20050040383

2005-02-24

Data storage device

#42

20050029920

2005-02-10

Electron emitter device for data storage applications and method of manufacture

#43

15013699

2017-01-03

Microstructured surface with low work function

#44

14340012

2015-12-01

Fully integrated and encapsulated micro-fabricated vacuum diode and method of manufacturing same