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:
May. 11, 2021
Filed:
Dec. 15, 2015
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Shiori Yonezawa, Tokyo, JP;
Toshiki Ito, Kawasaki, JP;
Tomonori Otani, Iruma, JP;
Kazumi Iwashita, Kobe, JP;
Takeshi Honma, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/00 (2006.01); C08F 2/50 (2006.01); G02B 5/18 (2006.01); H01L 21/033 (2006.01); H01L 21/027 (2006.01);
U.S. Cl.
CPC ...
G03F 7/0002 (2013.01); C08F 2/50 (2013.01); G02B 5/1857 (2013.01); H01L 21/0337 (2013.01); H01L 21/0271 (2013.01);
Abstract
A photocurable composition for imprint at least has a polymerizable compound (A) and a photopolymerization initiator (B), in which the polymerizable compound (A) contains 20% by weight or more of a multifunctional (meth)acrylic monomer and the glass transition temperature of a photocured substance of the photocurable composition is 90° C. or more.