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:
May. 20, 2025
Filed:
Oct. 31, 2024
Applicant:
Swcc Corporation, Kanagawa, JP;
Inventors:
Assignee:
SWCC Corporation, Kanagawa, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C22F 1/08 (2006.01); B22D 11/00 (2006.01); C22C 9/00 (2006.01); G01N 27/30 (2006.01);
U.S. Cl.
CPC ...
C22F 1/08 (2013.01); B22D 11/004 (2013.01); C22C 9/00 (2013.01); G01N 27/30 (2013.01);
Abstract
A method of manufacturing sheet material made of copper-silver alloy, the method comprising the steps of: (a) casting continuously copper-silver alloy so as to obtain base material having a thickness or diameter within a range of 6 to 30 mm; (b) rolling the base material at least once so as to obtain sheet material having a thickness within a range of 0.01 to 0.10 mm; and (c) annealing the sheet material, wherein the sheet material having undergone operation in the step (c) has a Vickers hardness of 280 HV or higher.