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:
Sep. 16, 2025
Filed:
Oct. 12, 2021
Applicant:
A.l.m.t. Corp., Tokyo, JP;
Inventor:
Naoya Matsuta, Toyama, JP;
Assignee:
A.L.M.T. Corp., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B32B 15/01 (2006.01); C22C 9/06 (2006.01); C22C 19/03 (2006.01); C22C 27/04 (2006.01);
U.S. Cl.
CPC ...
B32B 15/013 (2013.01); C22C 9/06 (2013.01); C22C 19/03 (2013.01); B32B 2307/732 (2013.01); C22C 27/04 (2013.01); Y10T 428/1284 (2015.01);
Abstract
A composite material includes: an iron-based alloy layer; an intermediate layer provided on the iron-based alloy layer; and a tungsten-containing layer provided on the intermediate layer, wherein the intermediate layer is composed of pure nickel or is an alloy that contains at least one selected from a group consisting of copper, cobalt, and iron at more than 0 mass % and less than or equal to 71 mass % in total, and that contains nickel at more than or equal to 29 mass % and less than 100 mass %.