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:
Aug. 31, 2021
Filed:
Feb. 26, 2019
Applicant:
Hutchinson Technology Incorporated, Hutchinson, MN (US);
Inventors:
Douglas P. Riemer, Waconia, MN (US);
Kurt F. Fischer, Eau Claire, WI (US);
Assignee:
Hutchinson Technology Incorporated, Hutchinson, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23C 18/38 (2006.01); C23C 18/32 (2006.01); H05K 3/46 (2006.01); H05K 3/24 (2006.01);
U.S. Cl.
CPC ...
H05K 3/4661 (2013.01); C23C 18/32 (2013.01); C23C 18/38 (2013.01); H05K 3/244 (2013.01);
Abstract
A method of initiating and controlling electroless nickel plating on copper substrates carried into a plating bath on a continuous stainless steel web where the copper is electrically bussed or in physical contact with the steel is described. A bias current is applied to the plating bath and a feedback loop is established to determine initiation of plating as well as to ramp down the biasing current to prevent electro- or electroless plating of the web.