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:
Feb. 14, 2012
Filed:
Dec. 03, 2007
Applicants:
Yoji Wakayama, Tokyo, JP;
Yosuke Sato, Tokyo, JP;
Naoki Taya, Tokyo, JP;
Inventors:
Assignee:
LINTEC Corporation, Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/40 (2006.01); B23K 26/00 (2006.01); C08G 18/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
An object of the present invention is to provide a laser dicing sheet which is capable of preventing cutting of dicing sheet by laser beam, damage of the chuck table and fusion of the dicing sheet to the chuck table. A laser dicing sheet according to the present invention comprising a base material comprising a polyurethane acrylate; and an adhesive layer formed on one surface thereof.