Title:
PHOTO CATHODE AND ELECTRON TUBE
Document Type and Number:
Japanese Patent JP2007080799
Kind Code:
A
Abstract:
To provide a photo cathode, composed of a compound semiconductor, in which a wide dynamic range is realized and a gate operation at high speed is made possible, as well as an electron tube.
The photo cathode 10 which can be applied for the electron tube is provided with a substrate 11, a light absorbing layer 14 formed on the substrate 11, composed of a compound semiconductor, and emitting photo electron from a photoemission surface 14E corresponding to light incidence, and an electrode layer 15 having an opening 15H formed on the photoemission surface 14E so that a part from the substrate 11 through the light absorbing layer 14 can have the same electric potential, and exposing the photoemission surface 14E.
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Inventors:
FUTAHASHI TOKUAKI
ARAGAKI MINORU
IHARA TSUNEO
HIROHATA TORU
NAGAI TOSHIMITSU
ARAGAKI MINORU
IHARA TSUNEO
HIROHATA TORU
NAGAI TOSHIMITSU
Application Number:
JP2005271073A
Publication Date:
March 29, 2007
Filing Date:
September 16, 2005
Export Citation:
Assignee:
HAMAMATSU PHOTONICS KK
International Classes:
H01J1/34; H01J40/06; H01J40/16; H01J43/30
Domestic Patent References:
| JPH11297191A | 1999-10-29 | |||
| JPH1196897A | 1999-04-09 | |||
| JPH09213204A | 1997-08-15 | |||
| JPH08236015A | 1996-09-13 | |||
| JPH0773801A | 1995-03-17 | |||
| JPH0750149A | 1995-02-21 | |||
| JPH05282991A | 1993-10-29 | |||
| JPH04269419A | 1992-09-25 | |||
| JPH03261029A | 1991-11-20 | |||
| JP2002184302A | 2002-06-28 | |||
| JPS6035449A | 1985-02-23 | |||
| JPH09213205A | 1997-08-15 | |||
| JPH10188779A | 1998-07-21 | |||
| JPH10188782A | 1998-07-21 |
Attorney, Agent or Firm:
Yoshiki Hasegawa
Shiro Terasaki
Satoru Ishida
Shiro Terasaki
Satoru Ishida