Title:
光電子増倍管
Document Type and Number:
Japanese Patent JP4331147
Kind Code:
B2
Abstract:
An object is to sufficiently keep the airtightness in a vacuum container even when it is made smaller. A photomultiplier tube 1 comprises a flat sheet-like lower substrate 4, a casing-like frame 3b erected on the lower substrate 4, an upper substrate 2 including a frame 3a airtightly joined to an opening part of the frame 3b while holding a low-melting metal therebetween, and a frame-like projection 25b arranged in parallel with the frame 3b on the inner side of the frame 3b on the lower substrate 4.
Inventors:
Hideki Shimoi
Hiroyuki Sugiyama
Hiroyuki Hisashima
Hiroyuki Sugiyama
Hiroyuki Hisashima
Application Number:
JP2005234112A
Publication Date:
September 16, 2009
Filing Date:
August 12, 2005
Export Citation:
Assignee:
Hamamatsu Photonics Co., Ltd.
International Classes:
H01J43/28; H01J5/03
Domestic Patent References:
| JP10208689A | ||||
| JP2000323593A | ||||
| JP2000082401A |
Attorney, Agent or Firm:
Yoshiki Hasegawa
Shiro Terasaki
Satoru Ishida
Yuji Suwa
Shiro Terasaki
Satoru Ishida
Yuji Suwa