Application of Phosphor Type Materials to Electrostatic Electrophotography Open PDF Document Details Document Type Technical Report Publication Date Apr 20, 1951 Accession Number ADA800289 Entities People Eugene Wainer Tags DTIC Thesaurus Topics Cameras Compound Semiconductors Conduction Bands Dielectric Permittivity Electromagnetic Fields Energy Bands Equations Films Frequency Hydrogen Sulfides Light Sources Luminescence Materials Phosphors Photographs Photography Sodium Compounds