公开(公告)号：US20190191565A1

公开(公告)日：2019-06-20

申请号：US16283858

申请日：2019-02-25

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Takahiro Oka ,  Yuki Takemori ,  Kazuo Kishida ,  Hiromichi Kawakami ,  Yukio Yamamoto ,  Kensuke Otake

IPC: H05K1/18 ,  H01L23/13 ,  H01L23/15 ,  H01L23/498 ,  H05K1/11 ,  H05K1/03 ,  H05K3/34

CPC classification number: H05K1/181 ,  H01L21/4857 ,  H01L21/486 ,  H01L21/4864 ,  H01L21/4867 ,  H01L23/13 ,  H01L23/15 ,  H01L23/49822 ,  H01L24/13 ,  H01L24/14 ,  H01L24/16 ,  H01L24/81 ,  H01L2224/13017 ,  H01L2224/13147 ,  H01L2224/1357 ,  H01L2224/1403 ,  H01L2224/16227 ,  H01L2224/16237 ,  H01L2924/014 ,  H05K1/0306 ,  H05K1/111 ,  H05K1/18 ,  H05K3/1216 ,  H05K3/26 ,  H05K3/34 ,  H05K3/3436 ,  H05K3/4007 ,  H05K3/4061 ,  H05K3/4644 ,  H05K2201/09472 ,  H05K2201/10795 ,  H05K2201/1081

Abstract: An electronic device that includes an electronic component mounted on a multilayer ceramic substrate. The electronic component includes a connection terminal on the mounting surface side thereof, the connection terminal having an end with a rounded convex shape when viewed in cross section. The multilayer ceramic substrate includes a recessed portion at a position corresponding to the connection terminal, the recessed portion having a rounded concave shape when viewed in cross section, and a surface electrode disposed on at least part of the recessed portion and electrically connected to the connection terminal.