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:
Sep. 06, 1983
Filed:
Apr. 03, 1981
Applicant:
Inventors:
Otto Schweingruber, Glashutten, DE;
Werner Hafner, Buchen-Hainstadt, DE;
Assignee:
Braun Aktiengesellschaft, Kronberg, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K / ;
U.S. Cl.
CPC ...
29832 ; 174 685 ; 264104 ; 361401 ; 29848 ; 29829 ;
Abstract
A circuit board is fabricated by injection molding a support of an insulating material. The support is provided with channels in the pattern of conductive paths. The channels are filled by injection with electrically conductive plastic, and electrically conductive metal is precipitated galvanoplastically on the plastic.