PHOTOMULTIPLIER, RADIATION SENSOR, AND PHOTOMULTIPLIER FABRICATING METHOD

Title:

PHOTOMULTIPLIER, RADIATION SENSOR, AND PHOTOMULTIPLIER FABRICATING METHOD

Document Type and Number:

WIPO Patent Application WO/2007/099958

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), dinodes (Dy1 to Dy12), extraction electrodes (19), and anodes (25) are provided. The dinodes (Dy1 to Dy12) and anodes (25) have corresponding channels. The electrodes have respective cuts aligned in the stack direction, and a support pin (21) and a lead pin (47) are disposed in the cuts. A recess (28) where a bridge is provided between unit anodes is formed. After an anode plate is placed on the stem pin (27), and then the bridge is cut off. The effective areas of each electrode and each anode (25) are adequately ensured. Therefore, electrons can be efficiently detected.

Inventors:

SHIMOI HIDEKI (JP)
NAGURA KOJI (JP)
KYUSHIMA HIROYUKI (JP)

Application Number:

PCT/JP2007/053645

Publication Date:

September 07, 2007

Filing Date:

February 27, 2007

Export Citation:

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Assignee:

HAMAMATSU PHOTONICS KK (JP)
SHIMOI HIDEKI (JP)
NAGURA KOJI (JP)
KYUSHIMA HIROYUKI (JP)

International Classes:

H01J43/06; G01T1/20; H01J43/22

Domestic Patent References:

WO2003098658A1

2003-11-27

Foreign References:

JP2005011592A	2005-01-13
JPH1012185A	1998-01-16
JP2001196023A	2001-07-19
JP2000306544A	2000-11-02
JPH09288992A	1997-11-04
JP2000149860A	2000-05-30
JPS59221957A	1984-12-13

Other References: