H01J29/39 - CPC Classification

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

• H01J29/395 » {charge-storage grids exhibiting triode effect} 1
• H01J29/41 » using secondary emission, e.g. for supericonoscope 0
• H01J29/43 » using photo-emissive mosaic, e.g. for orthicon, for iconoscope 1
• H01J29/44 » exhibiting internal electric effects caused by particle radiation, e.g. bombardment-induced conductivity 0
• H01J29/45 » exhibiting internal electric effects caused by electromagnetic radiation, e.g. photo-conductive screen, photo-dielectric screen, photovoltaic screen 0

Recent Application in this class: