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:
Jun. 10, 2025
Filed:
Mar. 13, 2023
Applicant:
Nan Ya Plastics Corporation, Taipei, TW;
Inventors:
Assignee:
NAN YA PLASTICS CORPORATION, Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25F 3/22 (2006.01); C23G 1/10 (2006.01);
U.S. Cl.
CPC ...
C25F 3/22 (2013.01); C23G 1/103 (2013.01);
Abstract
A method for smoothing surfaces of a copper foil and the copper foil obtained are provided, wherein the method for smoothing surfaces of the copper foil includes the following steps. Supplied with a copper foil. A first electropolishing process is performed on the copper foil. The copper foil is subjected to a pickling process. A second electropolishing process is performed on the copper foil.