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. 07, 1987
Filed:
Oct. 09, 1985
Applicant:
Inventors:
William J Amelio, Binghamton, NY (US);
Peter G Bartolotta, Endicott, NY (US);
Voya Markovich, Endwell, NY (US);
Ralph E Parsons, Endicott, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C / ;
U.S. Cl.
CPC ...
106-123 ; 106-126 ; 4274431 ;
Abstract
An electroless copper plating bath having improved stability which contains a cationic polymer from acrylamide and/or methacrylamide. The plating bath also contains a cupric ion source, a reducing agent for the cupric ion source, and a complexing agent for the cupric ion.