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US 11,894,223 B2Granted
Photoelectric tube
AssigneeHamamatsu Photonics K.K.
InventorsTsuyoshi Kodama, Masaki Yamada, Shinichi Hara, Naoki Umebayashi
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Abstract
A photoelectric tube includes a housing including a light transmitting portion, an electron emitting portion held by a recess provided in the housing, the electron emitting portion including a concave photoelectric surface facing a light transmitting portion side inside the housing, and an electron capturing portion disposed between the light transmitting portion and the photoelectric surface inside the housing. At least a part of the electron capturing portion is located inside a region on an inside of the photoelectric surface.
Claims8
A photoelectric tube comprising:
- a housing including a light transmitting portion;
- an electron emitting portion held by a recess provided in the housing, the electron emitting portion including a concave photoelectric surface facing the light transmitting portion side inside the housing;
- and
- an electron capturing portion disposed between the light transmitting portion and the photoelectric surface inside the housing,
- wherein at least a part of the electron capturing portion is located inside a region on an inside of the photoelectric surface.
2 more elements
Dependencies are inferred from the claim text.