H01J2203/02 - CPC Classification Index

ClassID:

205827 ⎘

H01J2203/02 - CPC Classification

Classification description:

Electron or ion optical arrangements common to discharge tubes or lamps Electron guns

Sub-classes:

H01J2203/0204 » using cold cathodes, e.g. field emission cathodes 6
H01J2203/0296 » Spin-polarised beams 2

Recent Application in this class:

20240128042

Electron gun cathode mount

20220319795

Power supply module and charged particle beam device

20110084590

ELECTRON-EMITTING DEVICE, ELECTRON BEAM APPARATUS AND IMAGE DISPLAY APPARATUS