PHOTOMULTIPLIER AND RADIATION SENSOR - HAMAMATSU PHOTONICS KK

Title:

PHOTOMULTIPLIER AND RADIATION SENSOR

Document Type and Number:

WIPO Patent Application WO/2007/099956

Kind Code:

A1

Abstract:

In a vacuum vessel structured by hermetically joining a light-receiving plate (13) to one end of a side tube (15) and a stem (29) through a tubular member (31) to the other, a photoelectric surface (14), a focusing electrode (17), dynodes (Dy1 to Dy12), extraction electrodes (19), and anodes (25) are provided. The dynodes (Dy1 to Dy12) and anodes (25) have corresponding channels. The extraction electrodes (19) are mounted on conductive support pins (21) extending through the stem (29). The dynodes (Dy1 to Dy12) are alternated with insulating members (23) and they make a stack. The support pins (21) and insulating member (23) are aligned. The electrodes are secured by pressing them in the z-axis direction. Light is prevented from being emitted between the anodes (25) and the extraction electrodes (19), thus reducing the noise.

Inventors:

SHIMOI HIDEKI (JP)
NAGAI KATSUMA (JP)
KYUSHIMA HIROYUKI (JP)

Application Number:

PCT/JP2007/053643

Publication Date:

September 07, 2007

Filing Date:

February 27, 2007

Export Citation:

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Assignee:

HAMAMATSU PHOTONICS KK (JP)
SHIMOI HIDEKI (JP)
NAGAI KATSUMA (JP)
KYUSHIMA HIROYUKI (JP)

International Classes:

H01J43/22; G01T1/20

Foreign References:

JPH10106482A	1998-04-24
JP2000149862A	2000-05-30
JP2000067801A	2000-03-03
JPH087825A	1996-01-12
JPH09306416A	1997-11-28
JP2006127990A	2006-05-18
JP2000149860A	2000-05-30
JPH09288992A	1997-11-04
JPS62287560A	1987-12-14

Other References: