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:
Mar. 10, 2015
Filed:
Dec. 02, 2011
Applicants:
Hyou Takahashi, Kunitachi, JP;
Masako Shimomura, Yokohama, JP;
Ken Ikegame, Ebina, JP;
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/004 (2006.01); G03F 7/038 (2006.01); B41J 2/16 (2006.01);
U.S. Cl.
CPC ...
G03F 7/004 (2013.01); G03F 7/038 (2013.01); G03F 7/0045 (2013.01); G03F 7/0046 (2013.01); B41J 2/1623 (2013.01); B41J 2/1631 (2013.01); B41J 2/1628 (2013.01);
Abstract
The invention provides a photosensitive negative resin composition containing (a) an epoxy-group-containing compound, (b) a first onium salt containing a cation portion structure represented by (b1) and an anion portion structure represented by (b2), and (c) a second onium salt containing a cation portion structure represented by (c1) and an anion portion structure represented by (c2).