Title:
分光器
Document Type and Number:
Japanese Patent JP6395389
Kind Code:
B2
Abstract:
A spectrometer 1A includes a package 2 having a stem 4 and a cap 5, an optical unit 10A disposed on the stem 4, and a lead pin 3 for securing the optical unit 10A to the stem 4. The optical unit 10A includes a dispersive part 21 for dispersing and reflecting light entering from a light entrance part 6 of the cap 5, a light detection element 30 having a light detection part 31 for detecting the light dispersed and reflected by the dispersive part 21, a support 40 for supporting the light detection element 30 such that a space is formed between the dispersive part 21 and the light detection element 30, and a projection 11 protruding from the support 40, the lead pin 3 being secured to the projection 11. The optical unit 10A is movable with respect to the stem 4 in a contact part of the optical unit 10A and the stem 4.
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Inventors:
Takafumi Nono
Katsumi Shibayama
Katsuhiko Kato
Katsumi Shibayama
Katsuhiko Kato
Application Number:
JP2014020656A
Publication Date:
September 26, 2018
Filing Date:
February 05, 2014
Export Citation:
Assignee:
Hamamatsu Photonics Co., Ltd.
International Classes:
G01J3/02
Domestic Patent References:
| JP2013029327A | ||||
| JP10185946A | ||||
| JP6022944U | ||||
| JP58146827A | ||||
| JP2013029325A |
Foreign References:
| US20050007586 |
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshiki Kuroki
Kenichi Shibayama
Yoshiki Kuroki
Kenichi Shibayama