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:
Aug. 05, 2008
Filed:
Apr. 25, 2005
Applicants:
Hideo Senoo, Kawaguchi, JP;
Takashi Sugino, Kawaguchi, JP;
Osamu Yamazaki, Saitama, JP;
Inventors:
Assignee:
Lintec Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/12 (2006.01); H01L 23/053 (2006.01);
U.S. Cl.
CPC ...
Abstract
A sheet to form a protective film for chips includes a release sheet and a protective film forming layer formed on a detachable surface of the release sheet. The protective film forming layer includes a thermosetting and/or energy ray-curable component and a binder polymer component.