PHOTOMULTIPLIER TUBE - HAMAMATSU PHOTONICS KK

Title:

PHOTOMULTIPLIER TUBE

Document Type and Number:

WIPO Patent Application WO/2023/210062

Kind Code:

A1

Abstract:

This photomultiplier tube comprises a photoelectric surface which emits photo-electrons in response to incident light, an electron multiplying unit including a plurality of dynodes which emit secondary electrons in response to incidence of the photo-electrons emitted from the photoelectric surface, and which multiply the secondary electrons, an acceleration electrode which is disposed between the photoelectric surface and the electron multiplying unit, for causing the photo-electrons to accelerate and be incident on the electron multiplying unit, and a tubular accommodating container for accommodating the photoelectric surface, the acceleration electrode, and the electron multiplying unit, wherein, when seen from a tube radial direction intersecting a tube axial direction of the accommodating container, the photoelectric surface, the acceleration electrode, and the electron multiplying unit are disposed such that no other member is interposed between a first end portion of the acceleration electrode on the photoelectric surface side thereof in the tube axial direction and the photoelectric surface, and between a second end portion of the acceleration electrode on the electron multiplying unit side thereof in the tube axial direction and the electron multiplying unit.

Inventors:

NISHIMURA YUKI (JP)
MATSUDA NARUMI (JP)
HIKOSAKA SHO (JP)
KATSUYAMA KOTA (JP)

Application Number:

PCT/JP2022/048007

Publication Date:

November 02, 2023

Filing Date:

December 26, 2022

Export Citation:

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Assignee:

HAMAMATSU PHOTONICS KK (JP)

International Classes:

H01J43/06

Foreign References:

JPH09213205A	1997-08-15
JPH0617104U	1994-03-04
JP2008535147A	2008-08-28