Patents-Review.com
ClassID:

205028 ⎘

H01J29/488 - CPC Classification

Classification description:

Details of cathode-ray tubes or of electron-beam tubes of the types covered by group; Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement; Electron guns Schematic arrangements of the electrodes for beam forming; Place and form of the elecrodes

Recent Application in this class:
#1
20220270842
2022-08-25

Cathode mechanism of electron gun, electron gun, and electron beam writing apparatus

 #2
20210398768
2021-12-23

Electron photoinjector

 #3
20200083014
2020-03-12

Electron photoinjector

 #4
20190027335
2019-01-24

Electron gun capable of suppressing the influence of electron emission from the cathode side surface

 #5
20180233316
2018-08-16

ELECTRON BEAM PROJECTOR WITH LINEAR THERMAL CATHODE

 #6
20180192981
2018-07-12

Combination of an X-ray tube and a source grating with electron beam manipulation

 #7
20170213685
2017-07-27

X-ray tube including hybrid electron emission source

 #8
20160056007
2016-02-25

Triode hollow cathode electron gun for linear particle accelerators

 #9
20160056006
2016-02-25

Systems and methods utilizing a triode hollow cathode electron gun for linear particle accelerators

 #10
20130336459
2013-12-19

Field emission X-ray tube and method of focusing electron beam using the same

 #11
20130140977
2013-06-06

Charged particle beam radiation apparatus

 #12
20130134324
2013-05-30

Compact high-voltage electron gun

 #13
20110175517
2011-07-21

High-definition cathode ray tube and electron gun

 #14
20090180192
2009-07-16

Method and apparatus for imaging

 #15
20070085760
2007-04-19

Electron gun with a multi-media monitor

 #16
20070026756
2007-02-01

High-definition cathode ray tube and electron gun with lower power consumption

 #17
20060202602
2006-09-14

Electron gun for cathode ray tube

 #18
20060202601
2006-09-14

Electron gun for cathode ray tube and cathode ray tube with the same

 #19
20060163997
2006-07-27

Electron gun having a main lens

 #20
20060108909
2006-05-25

Color cathode ray tube and electron gun used therein

 #21
20060066204
2006-03-30

Triode structure for cathode ray tube electron gun

 #22
20060055306
2006-03-16

Cathode-ray tube having an electron gun with an improved main focus lens

 #23
20060001349
2006-01-05

Electron gun for cathode-ray tube and color cathode-ray tube equipped with the same

 #24
20050258731
2005-11-24

Color cathode ray tube apparatus

 #25
20050231094
2005-10-20

Color Braun tube apparatus with non-circular electron beam passage aperture

 #26
20050189862
2005-09-01

Electron gun for cathode ray tube having SVM coil and cathode ray tube having the electron gun

 #27
20050077832
2005-04-14

Projection type cathode ray tube having improved focus characteristics

 #28
20050073259
2005-04-07

High-definition cathode ray tube and electron gun

 #29
20050057196
2005-03-17

Cathode-ray tube apparatus

 #30
20050001552
2005-01-06

Cathode-ray tube