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:
Dec. 21, 2004
Filed:
Jan. 04, 2000
Applicant:
Inventor:
Junji Kodemura, Kanagawa, JP;
Assignee:
Nippon Zeon Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/00 ; B32B 2/704 ; C09J 5/06 ;
U.S. Cl.
CPC ...
B32B 3/00 ; B32B 2/704 ; C09J 5/06 ;
Abstract
An adhesive for semiconductor parts, comprising, as a base polymer, at least one cyclic structure-containing thermoplastic polymer selected from the group consisting of (a) a cycloolefin polymer and (b) an aromatic-condensed polymer having a repeating unit of an aromatic ring in its main chain, and having a number average molecular weight of 1,000 to 500,000, an adhesive sheet formed of the adhesive, a semiconductor part package making use of the adhesive, and a production process of the package.