US 12,169,143 B2
Light detection device
Takashi Kasahara, Hamamatsu (JP); Katsumi Shibayama, Hamamatsu (JP); Kei Tabata, Hamamatsu (JP); Masaki Hirose, Hamamatsu (JP); Hiroki Oyama, Hamamatsu (JP); and Yumi Kuramoto, Hamamatsu (JP)
Assigned to HAMAMATSU PHOTONICS K.K., Hamamatsu (JP)
Filed by HAMAMATSU PHOTONICS K.K., Hamamatsu (JP)
Filed on Jul. 18, 2023, as Appl. No. 18/223,209.
Application 18/223,209 is a continuation of application No. 17/634,280, granted, now 11,796,391, previously published as PCT/JP2020/037874, filed on Oct. 6, 2020.
Claims priority of application No. 2019-186080 (JP), filed on Oct. 9, 2019.
Prior Publication US 2023/0358610 A1, Nov. 9, 2023
Int. Cl. G01J 3/26 (2006.01); G01J 3/02 (2006.01); G01J 3/45 (2006.01); G02B 5/28 (2006.01); G02B 26/00 (2006.01)
CPC G01J 3/26 (2013.01) [G01J 3/0297 (2013.01); G01J 3/45 (2013.01); G02B 5/281 (2013.01); G02B 26/001 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A light detection device comprising:
a wiring board including a first wiring;
a first support part disposed on a mounting surface of the wiring board;
a Fabry-Perot interference filter disposed on the first support part, and having a first mirror part and a second mirror part between which a distance is variable; and
a light detector disposed on the mounting surface to face the first mirror part and the second mirror part on one side of the first support part, wherein
the first wiring includes:
a first mounting portion provided on the mounting surface, and electrically connected to the light detector,
a first electrode pad provided on the mounting surface, and
a first connecting portion provided on the mounting surface, and connecting the first mounting portion and the first electrode pad, wherein
at least a portion of the first wiring on a side of the first electrode pad is disposed outside the Fabry-Perot interference filter when seen in a first direction perpendicular to the mounting surface.