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:
Sep. 19, 2000
Filed:
Jun. 26, 1998
Applicant:
Inventors:
Shigeaki Tokutake, Takatsuki, JP;
Teiko Yamaguchi, Kawanishi, JP;
Keiichi Inagaki, Itami, JP;
Mitsutoshi Sakamoto, Osaka, JP;
Assignee:
Minolta Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ; B32B / ;
U.S. Cl.
CPC ...
430 65 ; 430 56 ; 430 67 ; 430 69 ; 430127 ; 430131 ; 399159 ; 4284722 ; 205204 ; 148275 ; 148276 ; 148283 ;
Abstract
An electrophotographic photosensitive member is provided which does not involve any image noise occurrence, such as black spot or white spot under any environment. The electrophotographic photosensitive member comprises a photoreceptor substrate including an anodized layer formed on the surface of an aluminum or aluminum alloy base, the anodized layer having been sealed by a low temperature sealing treatment and a high temperature sealing treatment, and at least one photosensitive layer formed on the photoreceptor substrate.