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:
May. 05, 2026
Filed:
Aug. 28, 2020
Hamamatsu Photonics K.k., Hamamatsu, JP;
Masaharu Muramatsu, Hamamatsu, JP;
Yasuhito Yoneta, Hamamatsu, JP;
Hiroya Kobayashi, Hamamatsu, JP;
Tetsuya Abe, Hamamatsu, JP;
Kenichiro Taniguchi, Hamamatsu, JP;
HAMAMATSU PHOTONICS K.K., Hamamatsu, JP;
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.