公开(公告)号：US20220344520A1

公开(公告)日：2022-10-27

申请号：US17762847

申请日：2020-08-28

Applicant: HAMAMATSU PHOTONICS K.K.

Inventor： Masaharu MURAMATSU ,  Yasuhito YONETA ,  Hiroya KOBAYASHI ,  Tetsuya ABE ,  Kenichiro TANIGUCHI

IPC: H01L31/02 ,  H01L27/146 ,  H01L31/0203

Abstract: The photodetector includes a light receiving element and a package. The package has an accommodation member formed of a ceramic, a wiring including a pad connected to a terminal of the light receiving element by a wire, and a light transmitting member. A bottom wall of the accommodation member has a placement surface to which the light receiving element is attached by an adhesive member. The bottom wall or a side wall of the accommodation member has a pad surface on which the pad is disposed, the pad surface positioned on an opening side of the accommodation member with respect to the placement surface. The side wall has a through hole. At least a portion of an inner end portion of the through hole is positioned on the opening side with respect to a surface of the light receiving element on the opening side.