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RU2012143735A - Устройство для формирования пучка - Google Patents

Устройство для формирования пучка Download PDF

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Publication number
RU2012143735A
RU2012143735A RU2012143735/07A RU2012143735A RU2012143735A RU 2012143735 A RU2012143735 A RU 2012143735A RU 2012143735/07 A RU2012143735/07 A RU 2012143735/07A RU 2012143735 A RU2012143735 A RU 2012143735A RU 2012143735 A RU2012143735 A RU 2012143735A
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ray
ray device
aperture
spot
scanning speed
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RU2012143735/07A
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English (en)
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Джозеф КАМИНСКИ
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Рапискан Системз, Инк.
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Publication of RU2012143735A publication Critical patent/RU2012143735A/ru

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/20—Measuring radiation intensity with scintillation detectors
    • G01T1/208—Circuits specially adapted for scintillation detectors, e.g. for the photo-multiplier section
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/02—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
    • G21K1/04—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers
    • G21K1/043—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers changing time structure of beams by mechanical means, e.g. choppers, spinning filter wheels
    • 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
    • G01N23/043—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 using fluoroscopic examination, with visual observation or video transmission of fluoroscopic images
    • 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
    • G01N23/06—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 measuring the absorption
    • G01N23/10—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 measuring the absorption the material being confined in a container, e.g. in a luggage X-ray scanners
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/20—Measuring radiation intensity with scintillation detectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
    • G01V5/20—Detecting prohibited goods, e.g. weapons, explosives, hazardous substances, contraband or smuggled objects
    • G01V5/22—Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays
    • G01V5/222—Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays measuring scattered radiation
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/02—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
    • G21K1/04—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers
    • G21K1/046—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using variable diaphragms, shutters, choppers varying the contour of the field, e.g. multileaf collimators

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  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Molecular Biology (AREA)
  • Geophysics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Multimedia (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Measurement Of Radiation (AREA)
  • X-Ray Techniques (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Apparatus For Radiation Diagnosis (AREA)

Abstract

1. Рентгеновское устройство, содержащее- источник рентгеновских лучей для испускания рентгеновского излучения; и- устройство прерывания пучка, связанное с упомянутым источником рентгеновских лучей, причем упомянутое устройство прерывания пучка выполнено с возможностью получения упомянутого рентгеновского излучения и формирования подвижного пятна пучка, имеющего частоту, и упомянутая частота пучка является по существу постоянной.2. Рентгеновское устройство по п.1, в котором упомянутое устройство прерывания пучка содержит полый цилиндр, имеющий по меньшей мере одну винтовую апертуру.3. Рентгеновское устройство по п.1, в котором упомянутое устройство прерывания пучка содержит полый цилиндр, имеющий по меньшей мере две винтовые апертуры.4. Рентгеновское устройство по п.3, в котором упомянутый пучок имеет линейную скорость сканирования и в котором упомянутая линейная скорость сканирования изменяется при корректировке шага и наклона по меньшей мере одной из упомянутых винтовых апертур.5. Рентгеновское устройство по п.3, в котором упомянутый пучок имеет линейную скорость сканирования, причем упомянутая линейная скорость сканирования поддерживается постоянной при корректировке шага и наклона по меньшей мере одной из упомянутых винтовых апертур.6. Рентгеновское устройство по п.3, в котором упомянутый пучок имеет размер пятна, причем упомянутый размер пятна изменяется при корректировке ширины апертуры по меньшей мере одной из упомянутых винтовых апертур.7. Рентгеновское устройство по п.3, в котором упомянутый пучок имеет размер пятна, причем упомянутый размер пятна сохраняется постоянным при корректировке ши�

Claims (20)

1. Рентгеновское устройство, содержащее
- источник рентгеновских лучей для испускания рентгеновского излучения; и
- устройство прерывания пучка, связанное с упомянутым источником рентгеновских лучей, причем упомянутое устройство прерывания пучка выполнено с возможностью получения упомянутого рентгеновского излучения и формирования подвижного пятна пучка, имеющего частоту, и упомянутая частота пучка является по существу постоянной.
2. Рентгеновское устройство по п.1, в котором упомянутое устройство прерывания пучка содержит полый цилиндр, имеющий по меньшей мере одну винтовую апертуру.
3. Рентгеновское устройство по п.1, в котором упомянутое устройство прерывания пучка содержит полый цилиндр, имеющий по меньшей мере две винтовые апертуры.
4. Рентгеновское устройство по п.3, в котором упомянутый пучок имеет линейную скорость сканирования и в котором упомянутая линейная скорость сканирования изменяется при корректировке шага и наклона по меньшей мере одной из упомянутых винтовых апертур.
5. Рентгеновское устройство по п.3, в котором упомянутый пучок имеет линейную скорость сканирования, причем упомянутая линейная скорость сканирования поддерживается постоянной при корректировке шага и наклона по меньшей мере одной из упомянутых винтовых апертур.
6. Рентгеновское устройство по п.3, в котором упомянутый пучок имеет размер пятна, причем упомянутый размер пятна изменяется при корректировке ширины апертуры по меньшей мере одной из упомянутых винтовых апертур.
7. Рентгеновское устройство по п.3, в котором упомянутый пучок имеет размер пятна, причем упомянутый размер пятна сохраняется постоянным при корректировке ширины апертуры по меньшей мере одной из упомянутых винтовых апертур.
8. Рентгеновское устройство по п.2, дополнительно содержащее двигатель для вращения упомянутого цилиндра.
9. Рентгеновское устройство по п.8, дополнительно содержащее контроллер для динамической корректировки скорости вращения упомянутого цилиндра для достижения предварительно определенной скорости сканирования.
10. Рентгеновское устройство по п.9, в котором упомянутая скорость вращения равна или меньше 80000 об/мин.
11. Рентгеновское устройство по п.8, в котором упомянутый пучок имеет скорость сканирования и размер пятна, причем скорость сканирования и размер пятна корректируются без изменения скорости упомянутого двигателя.
12. Рентгеновское устройство по п.1, в котором упомянутое устройство прерывания пучка содержит полый цилиндр, имеющий по меньшей мере две винтовые апертуры, каждая из которых имеет длину и ширину апертуры вдоль упомянутой длины, причем упомянутая ширина апертуры сужается вдоль длины.
13. Рентгеновское устройство по п.1, в котором упомянутое устройство прерывания пучка содержит полый цилиндр, имеющий по меньшей мере две винтовые апертуры, каждая из которых имеет длину и ширину апертуры вдоль упомянутой длины, причем упомянутая ширина апертуры увеличивается вдоль длины.
14. Рентгеновское устройство, содержащее
- источник рентгеновских лучей для испускания рентгеновского излучения; и
- устройство прерывания пучка, связанное с упомянутым источником рентгеновских лучей, причем упомянутое устройство прерывания пучка выполнено с возможностью получения упомянутого рентгеновского излучения и формирования подвижного пятна пучка, имеющего скорость, которая является по существу постоянной.
15. Рентгеновское устройство, содержащее
- источник рентгеновских лучей для испускания рентгеновского излучения; и
- устройство прерывания пучка, связанное с упомянутым источником рентгеновских лучей, причем упомянутое устройство прерывания пучка содержит полый цилиндр с первым концом и вторым концом, определяющими длину упомянутого цилиндра, и по меньшей мере одну винтовую апертуру, продолжающуюся по существу вдоль упомянутой длины, и упомянутый цилиндр выполнен с возможностью получения упомянутого рентгеновского излучения и испускания упомянутого рентгеновского излучения через упомянутую винтовую апертуру.
16. Рентгеновское устройство по п.15, в котором упомянутое рентгеновское излучение проходит через винтовую апертуру для создания картины проекции пятна пучка, причем упомянутая картина проекции пятна пучка содержит пятно пучка, движущееся вертикально с по существу постоянной скоростью в плоскости, перпендикулярной плоскости источника рентгеновских лучей.
17. Рентгеновское устройство по п.16, в котором упомянутая картина проекции пятна пучка содержит пятно пучка, движущееся вертикально с по существу постоянной скоростью в плоскости, параллельной плоскости устройства прерывания пучка.
18. Рентгеновское устройство по п.17, в котором упомянутое пятно пучка обеспечивает по существу равномерное облучение целевого объекта.
19. Рентгеновское устройство по п.15, в котором упомянутое пятно пучка является трапецеидальным.
20. Рентгеновское устройство по п.15, в котором упомянутая винтовая апертура имеет ширину, которая на своем втором конце уже по сравнению с упомянутым первым концом.
RU2012143735/07A 2010-03-14 2011-03-14 Устройство для формирования пучка RU2012143735A (ru)

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US31377210P 2010-03-14 2010-03-14
US61/313,772 2010-03-14
PCT/US2011/028393 WO2011115923A1 (en) 2010-03-14 2011-03-14 Beam forming apparatus

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US (2) US8576989B2 (ru)
EP (2) EP2548050A4 (ru)
JP (2) JP2013522622A (ru)
CN (4) CN102893341A (ru)
AU (2) AU2011227496A1 (ru)
BR (2) BR112012023117A2 (ru)
CA (2) CA2793221A1 (ru)
GB (2) GB2494964B (ru)
HK (1) HK1256062A1 (ru)
MX (2) MX2012010645A (ru)
PL (1) PL2548207T3 (ru)
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