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:
Jul. 19, 1988
Filed:
Dec. 10, 1985
Applicant:
Inventors:
Hiroyoshi Sekine, Hitachi, JP;
Hiroshi Suzuki, Hitachi, JP;
Hidetaka Sato, Hitachi, JP;
Shun-ichiro Uchimura, Hitachi, JP;
Daisuke Makino, Mito, JP;
Assignee:
Hitachi Chemical Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; C08G / ;
U.S. Cl.
CPC ...
4284735 ; 428429 ; 428432 ; 428450 ; 428458 ; 428929 ; 528 26 ;
Abstract
A polyimide precursor resin composition comprising (a) a poly(amic acid) containing siloxane linkages, (b) an aminosilane, and (c) a solvent for both the components (a) and (b), can form a polyimide film excellent in adhesiveness and heat resistance and is suitable for producing a semiconductor device having high reliability.