JP6188470B2 - 放射線発生装置及びそれを用いた放射線撮影システム - Google Patents

放射線発生装置及びそれを用いた放射線撮影システム Download PDF

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Publication number
JP6188470B2
JP6188470B2 JP2013153198A JP2013153198A JP6188470B2 JP 6188470 B2 JP6188470 B2 JP 6188470B2 JP 2013153198 A JP2013153198 A JP 2013153198A JP 2013153198 A JP2013153198 A JP 2013153198A JP 6188470 B2 JP6188470 B2 JP 6188470B2
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Prior art keywords
voltage
potential
radiation
cathode
electron emission
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Expired - Fee Related
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JP2013153198A
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Japanese (ja)
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JP2015023013A (ja
JP2015023013A5 (enExample
Inventor
青木　修司
修司 青木
上田　和幸
和幸 上田
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Canon Inc
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Canon Inc
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Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2013153198A priority Critical patent/JP6188470B2/ja
Priority to US14/337,590 priority patent/US9412552B2/en
Publication of JP2015023013A publication Critical patent/JP2015023013A/ja
Publication of JP2015023013A5 publication Critical patent/JP2015023013A5/ja
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Expired - Fee Related legal-status Critical Current
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/02—Details
    • H01J35/16—Vessels; Containers; Shields associated therewith
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/02—Details
    • H01J35/04—Electrodes ; Mutual position thereof; Constructional adaptations therefor
    • H01J35/045—Electrodes for controlling the current of the cathode ray, e.g. control grids
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/02—Details
    • H01J35/04—Electrodes ; Mutual position thereof; Constructional adaptations therefor
    • H01J35/06—Cathodes
    • H01J35/065—Field emission, photo emission or secondary emission cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/02—Details
    • H01J35/04—Electrodes ; Mutual position thereof; Constructional adaptations therefor
    • H01J35/06—Cathodes
    • H01J35/066—Details of electron optical components, e.g. cathode cups
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/02—Details
    • H01J35/04—Electrodes ; Mutual position thereof; Constructional adaptations therefor
    • H01J35/08—Anodes; Anti cathodes
    • H01J35/112—Non-rotating anodes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2235/00—X-ray tubes
    • H01J2235/16—Vessels
    • H01J2235/163—Vessels shaped for a particular application
    • H01J2235/164—Small cross-section, e.g. for entering in a body cavity

Landscapes

  • X-Ray Techniques (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Toxicology (AREA)
JP2013153198A 2013-07-24 2013-07-24 放射線発生装置及びそれを用いた放射線撮影システム Expired - Fee Related JP6188470B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2013153198A JP6188470B2 (ja) 2013-07-24 2013-07-24 放射線発生装置及びそれを用いた放射線撮影システム
US14/337,590 US9412552B2 (en) 2013-07-24 2014-07-22 Multi-source radiation generating apparatus and radiographic imaging system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2013153198A JP6188470B2 (ja) 2013-07-24 2013-07-24 放射線発生装置及びそれを用いた放射線撮影システム

Publications (3)

Publication Number Publication Date
JP2015023013A JP2015023013A (ja) 2015-02-02
JP2015023013A5 JP2015023013A5 (enExample) 2016-08-25
JP6188470B2 true JP6188470B2 (ja) 2017-08-30

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JP2013153198A Expired - Fee Related JP6188470B2 (ja) 2013-07-24 2013-07-24 放射線発生装置及びそれを用いた放射線撮影システム

Country Status (2)

Country Link
US (1) US9412552B2 (enExample)
JP (1) JP6188470B2 (enExample)

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JP2015023013A (ja) 2015-02-02
US9412552B2 (en) 2016-08-09
US20150030127A1 (en) 2015-01-29

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