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.

Date of Patent:
Jul. 26, 1988

Filed:

Dec. 16, 1986
Applicant:
Inventors:

Kohichi Saruwatari, Tokyo, JP;

Takeshi Saito, Numazu, JP;

Akira Okazato, Tokyo, JP;

Kozo Kounosu, Shimofusa, JP;

Tadashi Inoue, Shimofusa, JP;

Takanori Hita, Shimofusa, JP;

Masatsugu Maejima, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C / ;
U.S. Cl.
CPC ...
148-627 ; 174127 ; 1741 / ; 174130 ; 427118 ; 427120 ;
Abstract

The surface of an aluminum conductor is roughened, for example, by blasting. A hydrophilic film such as a boehmite film, an anodic oxide film and a chemical conversion film is formed on the roughened surface. A protective film made of a wetting agent or a hydrophilic resin is formed on the hydrophilic film. The conductor may comprise a compressed aluminum conductor.


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