公开(公告)号：US20240072239A1

公开(公告)日：2024-02-29

申请号：US18268394

申请日：2021-12-13

Applicant: TDK CORPORATION

Inventor： Yuhei HORIKAWA ,  Makoto ENDO ,  Takuya KAKIUCHI ,  Miyuki YANAGIDA ,  Yuki NAITO ,  Takahiro TASHIRO

IPC: H01M4/134 ,  H01M4/66 ,  H01M10/0525

CPC classification number: H01M4/134 ,  H01M4/661 ,  H01M10/0525

Abstract: A laminated body contains a first metal layer containing copper and a second metal layer containing nickel and directly laminated on the first metal layer. A full width at half maximum of an X-ray diffraction peak having the maximum intensity among at least one X-ray diffraction peak derived from a nickel-containing crystal in the second metal layer is 0.3° or more and 1.2° or less.

公开(公告)号：US20240047695A1

公开(公告)日：2024-02-08

申请号：US18268643

申请日：2021-12-16

Applicant: TDK CORPORATION

Inventor： Yuhei HORIKAWA ,  Makoto ENDO ,  Takuya KAKIUCHI ,  Miyuki YANAGIDA ,  Yuki NAITO ,  Takahiro TASHIRO

IPC: H01M4/66 ,  H01M10/0525 ,  H01M4/38

CPC classification number: H01M4/667 ,  H01M10/0525 ,  H01M4/386 ,  H01M4/661 ,  H01M2004/027

Abstract: A laminated body contains a first metal layer containing copper; and a second metal layer containing nickel and laminated directly on the first metal layer. A first surface of the second metal layer is a surface in contact with the first metal layer. A second surface of the second metal layer is a reverse face of the first surface. A thickness direction of the second metal layer is a direction approximately perpendicular to the first surface and oriented from the first surface toward the second surface. A unit of a content of nickel in the second metal layer is % by mass. The content of nickel in the second metal layer 2 decreases along the thickness direction D.

公开(公告)号：US20240047694A1

公开(公告)日：2024-02-08

申请号：US18268640

申请日：2021-12-16

Applicant: TDK CORPORATION

Inventor： Yuhei HORIKAWA ,  Makoto ENDO ,  Takuya KAKIUCHI ,  Miyuki YANAGIDA ,  Yuki NAITO ,  Takahiro TASHIRO

IPC: H01M4/66 ,  H01M4/134

CPC classification number: H01M4/667 ,  H01M4/662 ,  H01M4/134 ,  H01M2004/027

Abstract: A laminated body contains a first metal layer containing copper and a second metal layer containing nickel and laminated directly on the first metal layer. A first surface of the second metal layer is a surface in contact with the first metal layer. A second surface of the second metal layer is a reverse surface of the first surface. A thickness direction of the second metal layer is a direction approximately perpendicular to the first surface and oriented from the first surface toward the second surface. A unit of a content of nickel in the second metal layer is % by mass. The content of nickel in the second metal layer increases along the thickness direction.