H01J2229/481 - CPC Classification Index

ClassID:

206087 ⎘

H01J2229/481 - CPC Classification

Classification description:

Details of cathode ray tubes or electron beam tubes; Electron guns; Electrodes Focusing electrodes

Sub-classes:

H01J2229/4813 » Pre-focusing 2

Recent Application in this class:

20230154717

2023-05-18

Precision alignment system for millimeter wave sources

20230122253

2023-04-20

EXTREME-ULTRAVIOLET LIGHT SOURCE DEVICE USING ELECTRON BEAMS

20210241990

2021-08-05

Method of operating a charged particle gun, charged particle gun, and charged particle beam device

20180233316

2018-08-16

ELECTRON BEAM PROJECTOR WITH LINEAR THERMAL CATHODE

20160314935

2016-10-27

Focusing electrode for cathode arrangement, electron gun, and lithography system comprising such electron gun

20150187541

2015-07-02

Cathode arrangement, electron gun, and lithography system comprising such electron gun

20150187533

2015-07-02

Cathode arrangement, electron gun, and lithography system comprising such electron gun

20150117617

2015-04-30

X-ray tube

20070188071

2007-08-16

ELECTRON GUN, CATHODE RAY TUBE, AND PROJECTOR

#10

20060250068

2006-11-09

Focusing lens structure for a cathode ray tube electron gun

#11

20050258731

2005-11-24

Color cathode ray tube apparatus

#12

20050248253

2005-11-10

Cathode ray tube

#13

20050218779

2005-10-06

Electron gun assembly for cathode ray tube

#14

16777276

2020-12-08

Method of operating a charged particle gun, charged particle gun, and charged particle beam device

#15

14977110

2016-11-22

Electron beam gun with kinematic coupling for high power RF vacuum devices