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:
Feb. 03, 1981
Filed:
Jul. 23, 1979
Applicant:
Inventors:
Godefridus H Heijnen, Eindhoven, NL;
Arian Molenaar, Eindhoven, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C / ;
U.S. Cl.
CPC ...
106-123 ; 106-126 ; 427437 ;
Abstract
A copper-plating bath suitable for reprographic uses and for making electrically conducting metal patterns with one of the redox pairs V.sup.2+ /V.sup.3+, Ti.sup.2+ /Ti.sup.3+, or Cr.sup.2+ /Cr.sup.3+ as a reducing agent, ascorbic acid with an acid acceptor, or the redox pair Fe.sup.2+ /Fe.sup.3+ together with an organic carboxylic acid and a complexing agent for cuprous ions.