JP2022017976A - 放射線撮像パネル、放射線撮像装置、放射線撮像システム、および、シンチレータプレート - Google Patents
放射線撮像パネル、放射線撮像装置、放射線撮像システム、および、シンチレータプレート Download PDFInfo
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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
- G01T1/2018—Scintillation-photodiode combinations
- G01T1/20188—Auxiliary details, e.g. casings or cooling
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/003—Scintillation (flow) cells
-
- 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
- G01T1/161—Applications in the field of nuclear medicine, e.g. in vivo counting
- G01T1/164—Scintigraphy
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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
- G01T1/2002—Optical details, e.g. reflecting or diffusing layers
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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
- G01T1/2018—Scintillation-photodiode combinations
- G01T1/20185—Coupling means between the photodiode and the scintillator, e.g. optical couplings using adhesives with wavelength-shifting fibres
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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
- G01T1/202—Measuring radiation intensity with scintillation detectors the detector being a crystal
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14601—Structural or functional details thereof
- H01L27/14625—Optical elements or arrangements associated with the device
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
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- H01L27/14683—Processes or apparatus peculiar to the manufacture or treatment of these devices or parts thereof
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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
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Abstract
Description
Claims (17)
- それぞれ光電変換素子を含む複数の画素が配された基板と、前記基板の上に配されたシンチレータと、前記シンチレータを覆うように配された保護層と、を含む放射線撮像パネルであって、
前記シンチレータは、ハロゲン化アルカリ金属化合物を含む複数の柱状結晶を含み、
前記保護層は、金属酸化物の粒子が添加された樹脂を含む樹脂層を備え、
前記樹脂層のうち前記複数の柱状結晶のそれぞれの頂部から前記樹脂層の上面までの厚さが、10μm以上、かつ、30μm未満であり、
前記樹脂層における前記粒子の濃度が、0.15vol%以上、かつ、7.5vol%未満であることを特徴とする放射線撮像パネル。 - 前記粒子の平均粒度が、200nm以上、かつ、500nm以下であることを特徴とする請求項1に記載の放射線撮像パネル。
- 前記粒子の屈折率が、1.94以上、かつ、2.72以下であることを特徴とする請求項1または2に記載の放射線撮像パネル。
- 前記粒子が、鉛白、酸化亜鉛、および、酸化チタンのうち少なくとも1つを含むことを特徴とする請求項1乃至3の何れか1項に記載の放射線撮像パネル。
- 前記粒子が、ルチル型二酸化チタンを含むことを特徴とする請求項1乃至4の何れか1項に記載の放射線撮像パネル。
- 前記樹脂の屈折率が、1.49以上、かつ、1.53以下であることを特徴とする請求項1乃至5の何れか1項に記載の放射線撮像パネル。
- 前記樹脂が、不揮発性の熱可塑性材料によって構成されていることを特徴とする請求項1乃至6の何れか1項に記載の放射線撮像パネル。
- 前記樹脂が、ホットメルト樹脂を含むことを特徴とする請求項7に記載の放射線撮像パネル。
- 前記樹脂が、分子間力による加圧性接着作用を有する樹脂を含むことを特徴とする請求項1乃至6の何れか1項に記載の放射線撮像パネル。
- 前記樹脂が、ウレタン樹脂、および、アクリル樹脂のうち少なくとも1つを含むことを特徴とする請求項9に記載の放射線撮像パネル。
- 前記ハロゲン化アルカリ金属化合物が、ヨウ化セシウムを含むことを特徴とする請求項1乃至10の何れか1項に記載の放射線撮像パネル。
- 前記保護層が、前記樹脂層の前記シンチレータとは反対の側に配された基台をさらに備えることを特徴とする請求項1乃至11の何れか1項に記載の放射線撮像パネル。
- 前記保護層が、前記樹脂層と前記基台との間に配された金属層をさらに備えることを特徴とする請求項12に記載の放射線撮像パネル。
- 請求項1乃至13の何れか1項に記載の放射線撮像パネルと、
前記放射線撮像パネルを制御するための制御部と、
を含むことを特徴とする放射線撮像装置。 - 請求項14に記載の放射線撮像装置と、
前記放射線撮像装置から出力される信号を処理する信号処理装置と、
を含むことを特徴とする放射線撮像システム。 - 基板と、前記基板の上に配されたシンチレータと、前記シンチレータを覆うように配された保護層と、を含むシンチレータプレートであって、
前記シンチレータは、ハロゲン化アルカリ金属化合物を含む複数の柱状結晶を含み、
前記保護層は、金属酸化物の粒子が添加された樹脂を含む樹脂層を備え、
前記樹脂層のうち前記複数の柱状結晶のそれぞれの頂部から前記樹脂層の上面までの厚さが、10μm以上、かつ、30μm未満であり、
前記樹脂層における前記粒子の濃度が、0.15vol%以上、かつ、7.5vol%未満であることを特徴とするシンチレータプレート。 - 前記基板が、前記シンチレータが発する光を透過する透明基板であることを特徴とする請求項16に記載のシンチレータプレート。
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JP2020120869A JP2022017976A (ja) | 2020-07-14 | 2020-07-14 | 放射線撮像パネル、放射線撮像装置、放射線撮像システム、および、シンチレータプレート |
EP21182834.8A EP3940429B1 (en) | 2020-07-14 | 2021-06-30 | Radiation imaging panel, radiation imaging apparatus, radiation imaging system, and scintillator plate |
US17/366,272 US11520062B2 (en) | 2020-07-14 | 2021-07-02 | Radiation imaging panel, radiation imaging apparatus, radiation imaging system, and scintillator plate |
CN202110789908.5A CN113933886A (zh) | 2020-07-14 | 2021-07-13 | 放射线摄像板、装置、系统和闪烁体片 |
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EP (1) | EP3940429B1 (ja) |
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JP2006052980A (ja) | 2004-08-10 | 2006-02-23 | Canon Inc | 放射線検出装置 |
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US7514686B2 (en) | 2004-08-10 | 2009-04-07 | Canon Kabushiki Kaisha | Radiation detecting apparatus, scintillator panel, their manufacturing method and radiation detecting system |
JP4208790B2 (ja) | 2004-08-10 | 2009-01-14 | キヤノン株式会社 | 放射線検出装置の製造方法 |
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JP2017203672A (ja) * | 2016-05-11 | 2017-11-16 | 東芝電子管デバイス株式会社 | 放射線検出器 |
JP6926726B2 (ja) * | 2017-06-28 | 2021-08-25 | コニカミノルタ株式会社 | 放射線画像検出パネルおよび放射線検出装置 |
WO2020100809A1 (ja) * | 2018-11-13 | 2020-05-22 | キヤノン電子管デバイス株式会社 | 放射線検出モジュール、放射線検出器、及び放射線検出モジュールの製造方法 |
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2020
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2021
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EP3940429A1 (en) | 2022-01-19 |
US20220018975A1 (en) | 2022-01-20 |
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