The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 04, 1989
Filed:
Feb. 26, 1987
Shigeru Shirai, Shiga, JP;
Keishi Saito, Shiga, JP;
Takayoshi Arai, Shiga, JP;
Minoru Kato, Shiga, JP;
Yasushi Fujioka, Shiga, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
There is provided an improved light receiving member for use in electrophotography comprising a substrate for electrophotography and a light receiving layer constituted by an absorption layer for light of long wavelength formed of a polycrystal material containing silicon atoms and germanium atoms, a photoconductive layer formed of an amorphous material containing silicon atoms as the main constituent atoms and a surface layer formed of an amorphous material containing silicon atoms, carbon atoms and hydrogen atoms, the amount of the hydrogen atoms contained in the surface layer being in the range of from 1.times.10.sup.-3 to 40 atomic %. The light receiving layer may have a charge injection inhibition layer or/and a contact layer.