PROCESS OF MANUFACTURE OF PIN-PHOTODIODE TARGET OF VIDICON Russian patent published in 1994 - IPC

FIELD: manufacture of picture tubes. SUBSTANCE: process of manufacture of pin-photodiode target of vidicon involves thermal evaporation of material based on lead oxide containing halogens, red lead and carbon-containing impurities in mixture of oxygen and water vapors and subsequent treatment of manufactured layer with hydrogen sulfide and ions of oxygen Description specifies dependence of minimal concentration of red lead on concentration of halogens and carbon-containing impurities. EFFECT: facilitated manufacture, improved operational characteristics.