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Title:
COLD CATHODE X-RAY TUBE AND CONTROL METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2019/151248
Kind Code:
A1
Abstract:
Provided is a cold cathode X-ray tube capable of preventing time-dependent decrease in anode current such that the cold cathode x-ray tube stably operates for a long period of time. A cold cathode X-ray tube (1) comprises: an electron discharge portion (10) including an electron discharging element using a cold cathode; an anode portion (11) disposed so as to be opposed to the electron discharge portion (10); a target (12) disposed on a part of the surface of the anode portion (11); a casing (15) in which the electron discharge portion (10), the anode portion (11), and the target (12) are disposed; and a hydrogen generation portion (14) made of material that generates hydrogen when electrons collide therewith and disposed at a part of the surface present inside the casing (15) other than the surface of the target (12).

Inventors:
KENMOTSU Hidenori (3-16-5 Miwamidoriyama, Machida City Tokyo, 55, 〒1950055, JP)
Application Number:
JP2019/002967
Publication Date:
August 08, 2019
Filing Date:
January 29, 2019
Export Citation:
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Assignee:
NANOX IMAGING PLC (Suites 7B and 8B, 50 Town Range, GI)
NANOX JAPAN, INC. (5-1 Otemachi 1-Chome, Chiyoda-ku Tokyo, 04, 〒1000004, JP)
International Classes:
H01J35/02; H01J35/06; H01J35/08; H01J35/16
Foreign References:
US7809114B22010-10-05
JP2002008519A2002-01-11
US5883467A1999-03-16
JPH1055770A1998-02-24
Attorney, Agent or Firm:
WASHIZU Mitsuhiro et al. (Daisan-Taiyo Bldg. 7th Floor, 5-1 Ginza 1-Chom, Chuo-Ku Tokyo 61, 〒1040061, JP)
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