Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
VACUUM DEVICE
Document Type and Number:
WIPO Patent Application WO/2007/020752
Kind Code:
A1
Abstract:
A vacuum device in which air tightness of a vacuum container is sufficiently maintained even if the device is reduced in size. A photoelectron intensifier tube (1) has a flat plate-like lower substrate (4); a frame (3b) raised on the lower substrate (4); an upper substrate (2) including a frame (3a) air tightly joined to an opening of the frame (3b) with low melting point metal in between; and frame-like projections (25b) arranged side-by-side inside the frame (3b) on the lower substrate (4).

Inventors:
SHIMOI HIDEKI (JP)
SUGIYAMA HIROYUKI (JP)
KYUSHIMA HIROYUKI (JP)
Application Number:
PCT/JP2006/312901
Publication Date:
February 22, 2007
Filing Date:
June 28, 2006
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
HAMAMATSU PHOTONICS KK (JP)
SHIMOI HIDEKI (JP)
SUGIYAMA HIROYUKI (JP)
KYUSHIMA HIROYUKI (JP)
International Classes:
H01J43/28; H01L23/02
Foreign References:
JPH10208689A1998-08-07
JP2000323593A2000-11-24
JP2000082401A2000-03-21
JP2002352713A2002-12-06
Other References:
See also references of EP 1921662A4
Attorney, Agent or Firm:
HASEGAWA, Yoshiki et al. (Ginza First Bldg. 10-6, Ginza 1-chom, Chuo-ku Tokyo 61, JP)
Download PDF: