Construction of guns or parts thereof (H01J37/067 - H01J37/077 take precedence)

Full Title

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) > Details > Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement > Electron sources; Electron guns > Construction of guns or parts thereof (H01J37/067 - H01J37/077 take precedence)