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:
Jul. 02, 2019
Filed:
Sep. 04, 2018
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Yukihiro Abe, Kashiwa, JP;
Jun Ohira, Moriya, JP;
Kazunari Ooyama, Toride, JP;
Takanori Ueno, Nagareyama, JP;
Hironori Owaki, Kashiwa, JP;
Yasuo Kojima, Abiko, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 5/00 (2006.01); G03G 5/147 (2006.01); G03G 5/082 (2006.01); G03G 5/14 (2006.01); G03G 15/00 (2006.01);
U.S. Cl.
CPC ...
G03G 5/14704 (2013.01); G03G 5/082 (2013.01); G03G 5/08214 (2013.01); G03G 5/08278 (2013.01); G03G 5/08285 (2013.01); G03G 5/144 (2013.01); G03G 15/75 (2013.01);
Abstract
An average value of a hydrogen content ratio of a surface layer made of hydrogenated amorphous carbon is set to be 0.40 or less and a maximum value of an spbonding ratio in an outermost surface region of the surface layer made of the hydrogenated amorphous carbon is set to be 0.50 or less.