H01J3/028 - CPC Classification Index

ClassID:

204515 ⎘

H01J3/028 - CPC Classification

Classification description:

Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps; Electron guns Replacing parts of the gun; Relative adjustment

Recent Application in this class:

20210370098

2021-12-02

METHOD FOR USE WITH A RADIOTHERAPY DEVICE

20180190464

2018-07-05

Electron gun and X-ray source and CT device having the electron gun

20180124910

2018-05-03

Compact system for coupling RF power directly into RF LINACS

20120288800

2012-11-15

ELECTRON BEAM DRAWING APPARATUS AND METHOD OF MANUFACTURING DEVICE

20060071175

2006-04-06

Extractor for an microcolumn, an alignment method for an extractor aperture to an electron emitter, and a measuring method and an alignment method using thereof