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. 03, 1998
Filed:
Dec. 18, 1996
Applicant:
Inventors:
Kazumi Higashi, Osaka, JP;
Amane Mochizuki, Osaka, JP;
Assignee:
Nitto Denko Corporation, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
428215 ; 428334 ; 428335 ; 428337 ; 428339 ; 428458 ; 4284735 ;
Abstract
A polyimide-metal foil composite film comprising a conductive metal foil having directly laminated on at least one surface thereof a polyimide resin layer which comprises repeating units represented by formulae (1) and (2) as described hereinabove. The polyimide-metal foil composite film can be used as a circuit substrate having excellent dimensional stability under high temperature.