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:
Jun. 03, 2008
Filed:
Jun. 02, 2005
Kazuyoshi Akiyama, Mishima, JP;
Takahisa Taniguchi, Mishima, JP;
Kazuyoshi Akiyama, Mishima, JP;
Takahisa Taniguchi, Mishima, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An electrophotographic photosensitive member is disclosed having a first area layer and a second area layer on a substrate. The first area layer and the second area layer are formed by deposition using different methods, and an intermediate layer is provided therebetween. The intermediate layer is changed continuously in composition in such a manner that the composition at the surface in contact with the first area layer is approximately the same as the composition of the first area layer and that the composition at the surface in contact with the second area layer is approximately the same as the composition of the second area layer, whereby the various characteristics of the electrophotographic photosensitive member is prevented from deteriorating.