The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 05, 2011
Filed:
Jun. 01, 2006
Hiroyuki Kyushima, Hamamatsu, JP;
Hideki Shimoi, Hamamatsu, JP;
Hiroyuki Sugiyama, Hamamatsu, JP;
Hitoshi Kishita, Hamamatsu, JP;
Suenori Kimura, Hamamatsu, JP;
Yuji Masuda, Hamamatsu, JP;
Takayuki Ohmura, Hamamatsu, JP;
Hiroyuki Kyushima, Hamamatsu, JP;
Hideki Shimoi, Hamamatsu, JP;
Hiroyuki Sugiyama, Hamamatsu, JP;
Hitoshi Kishita, Hamamatsu, JP;
Suenori Kimura, Hamamatsu, JP;
Yuji Masuda, Hamamatsu, JP;
Takayuki Ohmura, Hamamatsu, JP;
Hamamatsu Photonics K.K., Hamamatsu-shi, Shizuoka, JP;
Abstract
The present invention relates to a photomultiplier having a fine structure capable of realizing high multiplication efficiency. The photomultiplier comprises a housing whose inside is maintained vacuum, and, on a device mounting surface which is a part of an inner wall surface defining an internal space of the housing, a photocathode serving as a reflection type photocathode, an electron-multiplier section, an anode, and a voltage distributing section are disposed integrally. In particular, the electron-multiplier section is constituted by dynodes at multiple stages cascade-multiplying photoelectrons from the photocathode, and the voltage distributing section, which applies corresponding voltages to the dynodes at the respective stages respectively, is on the same surface together with the electron-multiplier section.