Electrophotographic photosensitive sensor
 An electrophotographic photosensitive sensor comprises a blocking layer, a photoconductive layer and a surface layer made mainly of microcrystalline or amorphous silicon and/or germanium and formed on a conductive substrate. At least one of the layers including the blocking layer, the photoconductive layer or the surface layer includes a multilayer which includes a plurality of constituent thin layers having different optical energy band gaps. 
Sanyo Electric Co., Ltd.
G G
G03G G03G
inventional inventional
Shoichi Kenichiro Yukinori Kazuhiko Takeo Kazuyuki Masaru
Nakano Wakisaka Kuwano Honma Fukatsu Gotoh Takeuchi