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:
Oct. 06, 1992
Filed:
Nov. 20, 1990
Applicant:
Inventor:
Jan A Schutyser, Dieren, NL;
Assignee:
Akzo nv, Arnhem, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427 97 ; 427 98 ; 427305 ; 427306 ; 4274431 ; 427316 ; 427322 ; 427384 ;
Abstract
A process for the manufacture of a multilayer printed circuit board including the step of depositing a noble metal onto an electrically non-conducting substrate. The substrate is first coated with a layer of polyamine polymer modified by being contacted with a compound containing at least two functional groups reactive to amino groups. The coated substrate is then contacted with noble metal ions.