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:
Jul. 09, 2024
Filed:
Nov. 08, 2019
Mitsubishi Materials Corporation, Tokyo, JP;
Nobuyuki Terasaki, Saitama, JP;
MITSUBISHI MATERIALS CORPORATION, Tokyo, JP;
Abstract
A bonded body includes an aluminum member made of an aluminum alloy and a copper member made of copper or a copper alloy, in which the aluminum member is made of an Al—Mn-based alloy containing Mn, an Mn concentration Cof the entire aluminum member is in a range of 0.4 mass % or more and 1.5 mass % or less, and, when an Mn concentration in a region excluding a precipitate in the aluminum member is defined as an Mn solid solution concentration Cand a value obtained by subtracting the Mn solid solution concentration Cfrom the Mn concentration Cof the entire aluminum member is defined as an Mn precipitate concentration C, a ratio C/Cof the Mn solid solution concentration Cto the Mn precipitate concentration Cis in a range of 0.1 or more and 2.7 or less.