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. 24, 2002
Filed:
Sep. 22, 2000
Applicant:
Inventors:
Kentaro Yano, Shimane-ken, JP;
Noboru Hanai, Tottori-ken, JP;
Assignee:
Hitachi Metals, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 1/501 ; C23C 1/400 ; C21D 9/46 ;
U.S. Cl.
CPC ...
B32B 1/501 ; C23C 1/400 ; C21D 9/46 ;
Abstract
A method for producing a laminated metal ribbon comprises the steps of (a) vapor-depositing a third metal layer on at least one welding surface of a first metal ribbon and a second metal ribbon in a vacuum chamber , the third metal being the same as or different from a metal or an alloy of the first and second metal ribbons ; (b) pressure-welding the first metal ribbon to the second metal ribbon ; and (c) subjecting the resultant laminate to a heat treatment for thermal diffusion.