ClassID:

205013

H01J29/435 - CPC Classification

Classification description:

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; Charge-storage screens using photo-emissive mosaic, e.g. for orthicon, for iconoscope with a matrix of conductors traversing the target