CPC Subgroup
H01J 29/58 Arrangements for focusing or reflecting ray or beam
Full Title
Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00 > Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement > Arrangements for focusing or reflecting ray or beam
4 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- H01J 29/60 Mirrors
- H01J 29/62 Electrostatic lenses
- H01J 29/64 Magnetic lenses