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:
Jan. 16, 2024
Filed:
Oct. 02, 2019
Applicant:
Hutchinson Technology Incorporated, Hutchinson, MN (US);
Inventors:
Douglas P. Riemer, Waconia, MN (US);
Peter F. Ladwig, Hutchinson, MN (US);
Assignee:
Hutchinson Technology Incorporated, Hutchinson, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23F 1/16 (2006.01); H05K 1/02 (2006.01); H05K 3/06 (2006.01); C09K 13/06 (2006.01); G11B 5/48 (2006.01); C23F 1/02 (2006.01);
U.S. Cl.
CPC ...
C23F 1/16 (2013.01); C09K 13/06 (2013.01); C23F 1/02 (2013.01); G11B 5/484 (2013.01); H05K 1/0277 (2013.01); H05K 3/067 (2013.01); H05K 2203/0779 (2013.01);
Abstract
An etch chemistry solution for treating metallic surfaces in which the etch chemistry solution includes an oxidizing agent and gluconic acid. The etch chemistry solution may also include an oxidizing agent and a short-chained polyethylene polymer glycol or a short-chained polyethylene copolymer glycol. The metallic surfaces are usually used in circuits such as flexible circuits.