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:
Oct. 07, 1997
Filed:
May. 08, 1995
Applicant:
Inventors:
Assignee:
Mitsui Mining Smelting Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
428344 ;
Abstract
An adhesive for copper foils which comprises 40-70% by weight of an epoxy resin, 20-50% by weight of a polyvinyl acetal resin and 0.1-20% weight of a melamine or urethane resin, all of said resins totalling 100% by weight, with the proviso that 5-80% by weight of said epoxy resin is a rubber-modified epoxy resin; and An adhesive-applied copper foil having said adhesive attached onto its one face.