Arrangements of electrodes and associated parts for generating or controlling the ray

Official title: Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement {(transit time tubes H01J23/00, H01J25/00; X-ray tubes H01J35/00; beam tubes for examining ions, e.g. electron or ion microscopes, or processing of objects or materials, e.g. electron or ion beam tubes H01J37/04; electron multipliers H01J43/04; handling of radiation or particles, e.g. focusing, deviating, not otherwise provided for G21K1/00)}

H01J29/46 (Arrangements of electrodes and associated parts for generating or controlling the ray) appears on 2,528 US grants and 832 published applications in this corpus.