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US 11,961,725 B2Granted
Phototube
AssigneeHamamatsu Photonics K.K.
InventorsTsuyoshi Kodama, Masaki Yamada
Life of this patent
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Abstract
A photoelectric tube includes a housing including a light transmitting portion, an electron emitting portion including a photoelectric surface disposed inside the housing, an electron capturing portion disposed between the light transmitting portion and the photoelectric surface inside the housing, and a conductive layer disposed on a light transmitting portion side of at least a part of the electron capturing portion to face the photoelectric surface inside the housing and configured to allow light to pass therethrough.
Claims11
A photoelectric tube comprising:
- a housing including a light transmitting portion;
- an electron emitting portion including a photoelectric surface disposed inside the housing;
- an electron capturing portion disposed between the light transmitting portion and the photoelectric surface inside the housing;
- and
- a conductive layer disposed on the light transmitting portion side of at least a part of the electron capturing portion to face the photoelectric surface inside the housing, and configured to allow light to pass therethrough,
- wherein the electron capturing portion is a plate-shaped member, and is disposed to divide a region inside the housing when viewed from the light transmitting portion side.
3 more elements
A photoelectric tube comprising:
- a housing including a light transmitting portion;
- an electron emitting portion including a photoelectric surface disposed inside the housing;
- an electron capturing portion disposed between the light transmitting portion and the photoelectric surface inside the housing;
- and
- a conductive layer disposed on the light transmitting portion side of at least a part of the electron capturing portion to face the photoelectric surface inside the housing, and configured to allow light to pass therethrough, wherein:
- the housing further includes a main body having a recess;
- the light transmitting portion is attached to the main body to close an opening of the recess;
- the electron emitting portion and the electron capturing portion are supported by the main body;
- and
- the conductive layer is supported by the light transmitting portion.
7 more elements
Dependencies are inferred from the claim text.