Title:
ガス放電管
Document Type and Number:
Japanese Patent JP4275853
Kind Code:
B2
Abstract:
In a gas discharge tube 1 in accordance with the present invention, a side tube 22 is formed from a metal, the outer periphery of the stem 4 is provided with a joint portion 15b made of a metal, and the latter is joined to a metal-made joint portion 16 of the side tube 22 by welding, whereby the assembling is made easier by welding, while the gas discharge tube 1 itself can attain smaller dimensions. Also, since the side tube 22 is small and made of a metal, its handling improves greatly. Further, since side tube 22 is formed from a metal, the gas discharge tube 1 is encouraged to have a wider range of processed forms and attains a prospect for mass production.
Inventors:
Tomoyuki Iketo
Adachi cultivation
Yoshinobu Ito
Ryotaro Matsui
Adachi cultivation
Yoshinobu Ito
Ryotaro Matsui
Application Number:
JP2000526951A
Publication Date:
June 10, 2009
Filing Date:
December 22, 1998
Export Citation:
Assignee:
Hamamatsu Photonics Co., Ltd.
International Classes:
H01J61/68; H01J61/10; H01J61/30; H01J61/35; H01J61/36; H01J63/02; H01J63/08
Domestic Patent References:
| JP7326324A | ||||
| JP660852A |
Foreign References:
| US4020379 | ||||
| US2071597 | ||||
| WO2000014770A1 | ||||
| WO1999034408A1 |
Attorney, Agent or Firm:
Yoshiki Hasegawa
Tatsuya Shioda
Shiro Terasaki
Tatsuya Shioda
Shiro Terasaki