H01J 37/301 Arrangements enabling beams to pass between regions of different pressure
Introduced: January 1980
Full Title
Full titles differ between systems:
Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof > Electron-beam or ion-beam tubes for localised treatment of objects > Arrangements enabling beams to pass between regions of different pressure
Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof (H01J33/00, H01J40/00, H01J41/00, H01J47/00, H01J49/00 take precedence) > Electron-beam or ion-beam tubes for localised treatment of objects > Arrangements enabling beams to pass between regions of different pressure
No child classifications to compare. This is a leaf node in both IPC and CPC.