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. 13, 2024
Filed:
Sep. 20, 2021
Applicant:
Hutchinson Technology Incorporated, Hutchinson, MN (US);
Inventors:
Paul V. Pesavento, Hutchinson, MN (US);
Collin M. Grove, Eau Claire, WI (US);
Douglas P. Riemer, Waconia, MN (US);
Assignee:
Hutchinson Technology Incorporated, Hutchinson, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25D 5/36 (2006.01); C23F 17/00 (2006.01); C23F 1/28 (2006.01); C25D 3/48 (2006.01);
U.S. Cl.
CPC ...
C25D 5/36 (2013.01); C23F 1/28 (2013.01); C23F 17/00 (2013.01); C25D 3/48 (2013.01);
Abstract
Treatment solutions and methods for improving adhesion of gold electroplating onto metal surfaces are provided herein. More specifically, the disclosure relates to micro-etching stainless steel surfaces using to remove any organic contamination and chromium oxide formed on the surface, neutralize and strip the surface of any iron content, and repassivate the surface with a thin chromium oxide layer, prior to gold electroplating of the stainless steel surfaces.