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. 29, 2011
Filed:
Oct. 20, 2005
Applicants:
Junya Kusunoki, Tokyo, JP;
Takashi Hirano, Tokyo, JP;
Inventors:
Junya Kusunoki, Tokyo, JP;
Takashi Hirano, Tokyo, JP;
Assignee:
Sumitomo Bakelite Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a semiconductor wafer which is characterized in that a resin layer composed of a resin composition containing a cyclic olefin resin (A) having an epoxy group and a photoacid generator (B) is arranged on a surface on which a circuit element is formed, and the residual stress of the resin layer after curing is 1-20 MPa. Also disclosed is a semiconductor device comprising such a semiconductor wafer.