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:
Mar. 17, 2026
Filed:
Aug. 01, 2023
Applicant:
Mitsui Kinzoku Company, Limited, Tokyo, JP;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 18/00 (2006.01); C25D 3/22 (2006.01); C25D 7/06 (2006.01);
U.S. Cl.
CPC ...
C22C 18/00 (2013.01); C25D 3/22 (2013.01); C25D 7/0614 (2013.01);
Abstract
Provided is a zinc foil including a core portion containing zinc as a base metal and containing substantially no bismuth and a cladding portion located on at least one side of the core portion and containing zinc as a base metal and containing bismuth, wherein the core portion and the cladding portion are inseparably bonded to each other. It is preferable that the average zinc crystal grain size in the core portion is larger than the average zinc crystal grain size in the cladding portion. It is also preferable that the average zinc crystal grain size in the cladding portion is 0.2 μm or more and less than 24 μm.