Title:
PHOTO-ELECTRIC CATHODE, ELECTRON TUBE, AND IMAGE INTENSIFIER
Document Type and Number:
Japanese Patent JP2009217996
Kind Code:
A
Abstract:
To provide a photo-electric cathode with a high stability against temperature changes.
The photo-electric cathode 35 of one embodiment has light transmission performance and includes a first and a second face-plates 31, 32 of which one main faces are opposed to each other, a jointing member 33 for jointing the first face-plate 31 and the second face-plate 32, and a photo-electric face 40 formed on the other main face of the second face-plate 32. An air gap is formed between the one main face of the first face-plate 31 and the one main face of the second face-plate 32.
Inventors:
SHIMIZU TAKESUKE
MIZUNO ITARU
KONDO MINORU
MIZUNO ITARU
KONDO MINORU
Application Number:
JP2008058324A
Publication Date:
September 24, 2009
Filing Date:
March 07, 2008
Export Citation:
Assignee:
HAMAMATSU PHOTONICS KK
International Classes:
H01J40/04; H01J31/50; H01J43/10
Attorney, Agent or Firm:
Yoshiki Hasegawa
Shiro Terasaki
Satoru Ishida
Shiro Terasaki
Satoru Ishida