公开(公告)号：US11161197B2

公开(公告)日：2021-11-02

申请号：US16245159

申请日：2019-01-10

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Takayuki Hirose ,  Yasushi Taniguchi ,  Seiji Kumazawa ,  Takayuki Ashida

IPC: B23K20/10 ,  B29C65/08 ,  B29C65/00 ,  B32B3/02 ,  B32B15/01 ,  H01M4/13 ,  H01M4/02 ,  B29L31/34 ,  B29L9/00

Abstract: A highly reliable joined structure and joining method by suppressing peeling at joined portions in the joined structure formed by joining metals together is provided. A joined structure includes a plurality of metals laminated and joined together. The plurality of metals are shaped to include a plurality of convex portions arranged on a surface positioned in a lamination direction, and flat portions arranged between the plural convex portions. Tip ends of the plurality of convex portions are formed as curved surfaces.