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:
Apr. 28, 1987
Filed:
Dec. 31, 1984
Applicant:
Inventors:
Yoshihiro Suzuki, Hitachi, JP;
Nobuhiro Satoh, Mito, JP;
Motoyo Wajima, Hitachi, JP;
Toshikazu Narahara, Ibaraki, JP;
Takeshi Shimazaki, Hadano, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428607 ; 428612 ; 428626 ; 428675 ;
Abstract
A composite of metal and resin comprising a resin layer and a metal layer having a surface roughness of a degree giving a lusterless appearance and a color of olive brown to black closely adhered through said surface to the resin layer is excellent in adhesive strength between the metal and resin layers, the metal layer being excellent in acid resistance, and is suitable for producing printed circuit boards.