Title:
MULTI X-RAY GENERATOR AND MULTI-RADIOGRAPHY SYSTEM
Document Type and Number:
WIPO Patent Application WO/2007/100105
Kind Code:
A1
Abstract:
A multi X-ray generator for use in nondestructive radiography, diagnostic application,
and the like, in the field of medical apparatus or industrial apparatus employing
an X-ray source. An electron beam (e) generated from the electron discharge element
(15) in a multi-electron beam generating section (12) is subjected to lens action
by a lens electrode (19) and accelerated to the level of final potential at the
transmission target portion (13) of an anode electrode (20). A multi X-ray beam
(x) generated from the target portion (13) is passed through an X-ray shield plate
(23) and an X-ray take-out section (24) in a vacuum chamber and taken out into the
atmosphere from the X-ray take-out window (27) of a wall portion (25). A multi
X-ray beam excellent in controllability can be formed by a small apparatus.
Inventors:
OKUNUKI MASAHIKO (JP)
TSUJII OSAMU (JP)
TSUKAMOTO TAKEO (JP)
TSUJII OSAMU (JP)
TSUKAMOTO TAKEO (JP)
Application Number:
PCT/JP2007/054090
Publication Date:
September 07, 2007
Filing Date:
March 02, 2007
Export Citation:
Assignee:
CANON KK (JP)
OKUNUKI MASAHIKO (JP)
TSUJII OSAMU (JP)
TSUKAMOTO TAKEO (JP)
OKUNUKI MASAHIKO (JP)
TSUJII OSAMU (JP)
TSUKAMOTO TAKEO (JP)
International Classes:
H01J35/08; G01T1/24; H05G1/02; H05G1/52
Domestic Patent References:
| WO2006009053A1 | 2006-01-26 |
Foreign References:
| JPH08264139A | 1996-10-11 | |||
| JP2004357724A | 2004-12-24 | |||
| JP2002214353A | 2002-07-31 | |||
| JP2004111336A | 2004-04-08 | |||
| JP2004333131A | 2004-11-25 | |||
| JPH09180894A | 1997-07-11 | |||
| JP2004329784A | 2004-11-25 | |||
| JPH08264139A | 1996-10-11 | |||
| JP2006057846A | 2006-03-02 | |||
| JP2007050942A | 2007-03-01 |
Other References:
See also references of EP 1995757A4
J. ZHANG: "Stationary scanning x-ray source based on carbon nanotube field emitters", APPLIED PHYSICS LETTERS, vol. 86, 2005, pages 184104
J. ZHANG: "Stationary scanning x-ray source based on carbon nanotube field emitters", APPLIED PHYSICS LETTERS, vol. 86, 2005, pages 184104
Attorney, Agent or Firm:
OHTSUKA, Yasunori (Shuwa Kioicho Park Bldg. 3-6, Kioich, Chiyoda-ku Tokyo, JP)
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