Title:
比例計数管
Document Type and Number:
Japanese Patent JPWO2008059966
Kind Code:
A1
Abstract:
本発明は、外囲器（１２）内に封入するガス（１３）に窒素および水素を含む比例計数管に関する。窒素の添加によって、放射線による添加ガスの重合のおそれがなく、かつ二酸化炭素を添加ガスとして用いた場合よりも、良い分解能が得られる。水素の添加によって、ガスゲイン変動を小さくできる。
Inventors:
Noriyuki Hikita
Kazuya Ishizawa
Eiji Seki
Kazuya Ishizawa
Eiji Seki
Application Number:
JP2008524305A
Publication Date:
March 04, 2010
Filing Date:
November 16, 2007
Export Citation:
Assignee:
Toshiba Corporation
Toshiba Electron Tube Devices Co., Ltd.
Toshiba Electron Tube Devices Co., Ltd.
International Classes:
G01T1/18; H01J47/06
Domestic Patent References:
| JPH0554850A | 1993-03-05 | |||
| JPS54139780A | 1979-10-30 | |||
| JPS59146388A | 1984-08-22 | |||
| JPH0239187U | 1990-03-15 |
Attorney, Agent or Firm:
Takehiko Suzue
Satoshi Kono
Makoto Nakamura
Sadao Muramatsu
Ryo Hashimoto
Satoshi Kono
Makoto Nakamura
Sadao Muramatsu
Ryo Hashimoto
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