H01J1/26 - CPC Classification Index

ClassID:

204462 ⎘

H01J1/26 - 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; Solid thermionic cathodes; Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment Supports for the emissive material

Recent Application in this class:

20250157775

FIXED POSITION FILAMENT

20170296844

Beam position monitors for medical radiation machines

20140055025

Electron gun and electron beam device

20110188637

X-ray cathode and method of manufacture thereof

20100090581

Electron source

20060158086

Oxide cathode for electron gun with a differentially doped metallic substrate

20060012283

Oxide cathode

20050231093

Method of reducing fluctuation in cut-off voltage, cathode for electron tube, and method for manufacturing cathode for electronic tube