JP7118133B2 - 光子カウントコンピュータ断層撮影のための薄型散乱防止及び電荷共有防止グリッド、当該グリッドを有する撮像装置、当該グリッドの製造方法 - Google Patents

光子カウントコンピュータ断層撮影のための薄型散乱防止及び電荷共有防止グリッド、当該グリッドを有する撮像装置、当該グリッドの製造方法 Download PDF

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JP7118133B2
JP7118133B2 JP2020507557A JP2020507557A JP7118133B2 JP 7118133 B2 JP7118133 B2 JP 7118133B2 JP 2020507557 A JP2020507557 A JP 2020507557A JP 2020507557 A JP2020507557 A JP 2020507557A JP 7118133 B2 JP7118133 B2 JP 7118133B2
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ハイナー デア
ローランド プロクサ
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Koninklijke Philips NV
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    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21KHANDLING OF PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/02Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
    • G21K1/025Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using multiple collimators, e.g. Bucky screens; other devices for eliminating undesired or dispersed radiation
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00Investigating 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
    • G01N23/02Investigating 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
    • G01N23/04Investigating 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
    • G01N23/046Investigating 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 tomography, e.g. computed tomography [CT]
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01TMEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16Measuring radiation intensity
    • G01T1/20Measuring radiation intensity with scintillation detectors
    • G01T1/2006Measuring radiation intensity with scintillation detectors using a combination of a scintillator and photodetector which measures the means radiation intensity
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01TMEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16Measuring radiation intensity
    • G01T1/24Measuring radiation intensity with semiconductor detectors
    • G01T1/241Electrode arrangements, e.g. continuous or parallel strips or the like
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01TMEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16Measuring radiation intensity
    • G01T1/24Measuring radiation intensity with semiconductor detectors
    • G01T1/244Auxiliary details, e.g. casings, cooling, damping or insulation against damage by, e.g. heat, pressure or the like

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Molecular Biology (AREA)
  • General Engineering & Computer Science (AREA)
  • Pulmonology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measurement Of Radiation (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
JP2020507557A 2017-08-14 2018-08-14 光子カウントコンピュータ断層撮影のための薄型散乱防止及び電荷共有防止グリッド、当該グリッドを有する撮像装置、当該グリッドの製造方法 Expired - Fee Related JP7118133B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP17186194.1 2017-08-14
EP17186194.1A EP3444826A1 (en) 2017-08-14 2017-08-14 Low profile anti scatter and anti charge sharing grid for photon counting computed tomography
PCT/EP2018/072018 WO2019034650A1 (en) 2017-08-14 2018-08-14 ANTI-DISPERSAL GRID AND LOW PROFILE LOAD DISPERSION FOR TOMODENSITOMETRY WITH PHOTON COUNTING

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JP2020530903A JP2020530903A (ja) 2020-10-29
JP2020530903A5 JP2020530903A5 (enExample) 2021-09-24
JP7118133B2 true JP7118133B2 (ja) 2022-08-15

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US (1) US11152129B2 (enExample)
EP (2) EP3444826A1 (enExample)
JP (1) JP7118133B2 (enExample)
CN (1) CN111133532B (enExample)
WO (1) WO2019034650A1 (enExample)

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US11320545B2 (en) * 2020-07-07 2022-05-03 GE Precision Healthcare LLC Systems and methods for improved medical imaging

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US20130168567A1 (en) 2011-12-28 2013-07-04 General Electric Company Collimator for a pixelated detector
JP2016137097A (ja) 2015-01-28 2016-08-04 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 放射線検出器及び放射線断層撮影装置
JP2017125692A (ja) 2016-01-12 2017-07-20 株式会社日立製作所 放射線撮像装置

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US7072446B2 (en) 2003-05-13 2006-07-04 Analogic Corporation Method for making X-ray anti-scatter grid
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EP1779138A2 (en) 2004-08-12 2007-05-02 Philips Intellectual Property & Standards GmbH Anti-scatter-grid for a radiation detector
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JP2017125692A (ja) 2016-01-12 2017-07-20 株式会社日立製作所 放射線撮像装置

Also Published As

Publication number Publication date
EP3444826A1 (en) 2019-02-20
US11152129B2 (en) 2021-10-19
CN111133532A (zh) 2020-05-08
EP3669381A1 (en) 2020-06-24
US20200251236A1 (en) 2020-08-06
CN111133532B (zh) 2023-11-17
WO2019034650A1 (en) 2019-02-21
JP2020530903A (ja) 2020-10-29

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