Title:
PHOTOELECTRIC TUBE
Document Type and Number:
WIPO Patent Application WO/2022/074980
Kind Code:
A1
Abstract:
This photoelectric tube is provided with a housing that includes a light transmissive part, an electron emission part that is held by a concave part provided to the housing and that includes a concave photoelectric surface which faces the light transmissive part side from inside the housing, and an electron capture part that is disposed inside the housing between the light transmissive part and the photoelectric surface. At least a part of the electron capture part is positioned in a region on the inner side of the photoelectric surface.
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Inventors:
KODAMA TSUYOSHI (JP)
YAMADA MASAKI (JP)
HARA SHINICHI (JP)
UMEBAYASHI NAOKI (JP)
YAMADA MASAKI (JP)
HARA SHINICHI (JP)
UMEBAYASHI NAOKI (JP)
Application Number:
PCT/JP2021/032494
Publication Date:
April 14, 2022
Filing Date:
September 03, 2021
Export Citation:
Assignee:
HAMAMATSU PHOTONICS KK (JP)
International Classes:
H01J40/04
Foreign References:
| JPH10115548A | 1998-05-06 | |||
| JPS4816751U | 1973-02-24 | |||
| JPS4827634Y1 | 1973-08-15 | |||
| JPH0582076A | 1993-04-02 | |||
| US20100102720A1 | 2010-04-29 | |||
| US20040232403A1 | 2004-11-25 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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