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. 21, 1992

Filed:

Mar. 26, 1991
Applicant:
Inventors:

Shinji Takemura, Aichi, JP;

Yoshitami Saitou, Aichi, JP;

Assignee:

Aisin Seiki K.K., Aichi, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K / ;
U.S. Cl.
CPC ...
361409 ; 361400 ; 174260 ;
Abstract

A printed circuit board includes a substrate, a printed electric circuit pattern formed on the surface of the substrate, a plurality of land patterns formed on end portions of the printed electric circuit pattern, an isolation layer formed on the surface of the substrate and printed electric circuit pattern, an opening formed in the isolation layer about each land pattern, a plurality of electrical devices arranged on the land patterns and a plurality of markers printed on the surface of the isolation layer enclosing corresponding electrical devices.


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