205006 ⎘
Details of cathode-ray tubes or of electron-beam tubes of the types covered by group; Electrodes; Screens; Mounting, supporting, spacing or insulating thereof; Screens on or from which an image or pattern is formed, picked up, converted or stored; Photoelectric screens; Charge-storage screens not using charge storage, e.g. photo-emissive screen, extended cathode
Sub-classes:DESIGN OF LATTICE MATCHED PHOTOCATHODES FOR EXTENDED WAVELENGTHS
#2Lattice matched photocathodes for extended wavelengths
#3Photoelectric surface, photoelectric conversion tube, image intensifier, and photomultiplier tube
#4Photodetector