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. 04, 1995
Filed:
Jan. 19, 1993
Applicant:
Inventors:
Friedrich Jonas, Aachen, DE;
Gerhard-Dieter Wolf, Dormagen, DE;
Assignee:
Bayer AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25D / ; C25D / ; C25D / ;
U.S. Cl.
CPC ...
205125 ; 205185 ; 427 97 ;
Abstract
A process for through-hole plating of two-layer circuit boards and multilayers using polythiophenes as a conductive agent on the side walls of through-holes for the direct through-hole plating and to the circuit boards and multilayers thus produced.