JP5022805B2 - 放射線検出器 - Google Patents
放射線検出器 Download PDFInfo
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- JP5022805B2 JP5022805B2 JP2007194590A JP2007194590A JP5022805B2 JP 5022805 B2 JP5022805 B2 JP 5022805B2 JP 2007194590 A JP2007194590 A JP 2007194590A JP 2007194590 A JP2007194590 A JP 2007194590A JP 5022805 B2 JP5022805 B2 JP 5022805B2
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- scintillator layer
- reflective film
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- scattering particles
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Classifications
-
- 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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F39/00—Integrated devices, or assemblies of multiple devices, comprising at least one element covered by group H10F30/00, e.g. radiation detectors comprising photodiode arrays
- H10F39/10—Integrated devices
- H10F39/107—Integrated devices having multiple elements covered by H10F30/00 in a repetitive configuration, e.g. radiation detectors comprising photodiode arrays
-
- 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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F30/00—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors
- H10F30/10—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors the devices being sensitive to infrared radiation, visible or ultraviolet radiation, and having no potential barriers, e.g. photoresistors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F39/00—Integrated devices, or assemblies of multiple devices, comprising at least one element covered by group H10F30/00, e.g. radiation detectors comprising photodiode arrays
- H10F39/10—Integrated devices
- H10F39/12—Image sensors
- H10F39/18—Complementary metal-oxide-semiconductor [CMOS] image sensors; Photodiode array image sensors
- H10F39/189—X-ray, gamma-ray or corpuscular radiation imagers
- H10F39/1898—Indirect radiation image sensors, e.g. using luminescent members
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F99/00—Subject matter not provided for in other groups of this subclass
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F39/00—Integrated devices, or assemblies of multiple devices, comprising at least one element covered by group H10F30/00, e.g. radiation detectors comprising photodiode arrays
- H10F39/80—Constructional details of image sensors
- H10F39/806—Optical elements or arrangements associated with the image sensors
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Measurement Of Radiation (AREA)
- Solid State Image Pick-Up Elements (AREA)
- Light Receiving Elements (AREA)
Description
13 シンチレータ層
14 反射膜
21 光電変換素子としてのフォトダイオード
Claims (9)
- 光電変換素子と、
この光電変換素子上に形成され、放射線を蛍光に変換するシンチレータ層と、
このシンチレータ層上に形成され、このシンチレータ層からの蛍光を反射させる光散乱性粒子及びこの光散乱性粒子間を結合するバインダ材を含有し、かつ光散乱性粒子の周辺部にバインダ材が充填されていない空乏部が形成されている反射膜と
を具備し、
前記シンチレータ層が柱状構造を有し、前記反射膜の光散乱性粒子が前記シンチレータ層上に加えて前記シンチレータ層の柱間に侵入され、
前記反射膜の光散乱性粒子とバインダ材との体積比率が、光散乱性粒子の体積/バインダ材の体積≧4/6の関係を有する
ことを特徴とする放射線検出器。 - バインダ材は、ブチラール系樹脂である
ことを特徴とする請求項1記載の放射線検出器。 - 反射膜における光散乱性粒子の体積占有比率が、反射膜の表層側よりシンチレータ層側で大きい
ことを特徴とする請求項1または2記載の放射線検出器。 - 反射膜の光散乱性粒子の平均粒径及び体積充填率と反射膜の膜厚とが、光散乱性粒子の平均粒径/光散乱性粒子の体積充填率≦1/10×膜厚の関係を有する
ことを特徴とする請求項1乃至3いずれか記載の放射線検出器。 - シンチレータ層が柱状構造を有し、反射膜の光散乱性粒子の平均粒径がシンチレータ層の柱状構造の柱間平均ピッチに対して1/4以下である
ことを特徴とする請求項1乃至4いずれか記載の放射線検出器。 - 反射膜の光散乱性粒子の平均粒径が、シンチレータ層の最大発光波長の1/10乃至10倍の範囲である
ことを特徴とする請求項1乃至5いずれか記載の放射線検出器。 - 光電変換素子が所定のピッチで配列され、反射膜の膜厚が光電変換素子のピッチと同等以下である
ことを特徴とする請求項1乃至6いずれか記載の放射線検出器。 - 反射膜は、シンチレータが発光する蛍光成分の少なくとも一部を吸収する光吸収性のフィラー材を含有する
ことを特徴とする請求項1乃至7いずれか記載の放射線検出器。 - 反射膜は、シンチレータ層の上面部を被覆し、シンチレータ層の側面部は被覆しないか被覆しても上面部に対して膜厚を薄くするかのいずれ一方としている
ことを特徴とする請求項1乃至8いずれか記載の放射線検出器。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007194590A JP5022805B2 (ja) | 2007-07-26 | 2007-07-26 | 放射線検出器 |
KR1020097024677A KR101120244B1 (ko) | 2007-07-26 | 2008-07-24 | 방사선 검출기와 그 제조 방법 |
PCT/JP2008/063292 WO2009014180A1 (ja) | 2007-07-26 | 2008-07-24 | 放射線検出器及びその製造方法 |
EP08791544.3A EP2194401B1 (en) | 2007-07-26 | 2008-07-24 | Radiation detector and method for manufacturing the same |
US12/692,902 US8158949B2 (en) | 2007-07-26 | 2010-01-25 | Radiation detector and method for manufacturing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007194590A JP5022805B2 (ja) | 2007-07-26 | 2007-07-26 | 放射線検出器 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2009031098A JP2009031098A (ja) | 2009-02-12 |
JP2009031098A5 JP2009031098A5 (ja) | 2010-07-01 |
JP5022805B2 true JP5022805B2 (ja) | 2012-09-12 |
Family
ID=40281428
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007194590A Active JP5022805B2 (ja) | 2007-07-26 | 2007-07-26 | 放射線検出器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8158949B2 (ja) |
EP (1) | EP2194401B1 (ja) |
JP (1) | JP5022805B2 (ja) |
KR (1) | KR101120244B1 (ja) |
WO (1) | WO2009014180A1 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5940302B2 (ja) * | 2009-12-18 | 2016-06-29 | 株式会社東芝 | 放射線検出器の製造方法 |
KR101676364B1 (ko) * | 2010-01-22 | 2016-11-16 | 주성엔지니어링(주) | 박막형 태양전지 및 그 제조방법 |
JP5649872B2 (ja) | 2010-08-24 | 2015-01-07 | 浜松ホトニクス株式会社 | 放射線検出器の製造方法 |
JP5629593B2 (ja) * | 2011-02-01 | 2014-11-19 | 株式会社東芝 | 放射線検出器 |
JP6200171B2 (ja) * | 2012-06-04 | 2017-09-20 | キヤノン株式会社 | 放射線検出装置及び撮像システム |
JP6515958B2 (ja) * | 2012-06-25 | 2019-05-22 | ソニー株式会社 | 放射線検出器及びその製造方法 |
TWI521686B (zh) * | 2013-05-24 | 2016-02-11 | 友達光電股份有限公司 | 光偵測器及其製造方法 |
JP6226579B2 (ja) * | 2013-06-13 | 2017-11-08 | 東芝電子管デバイス株式会社 | 放射線検出器及びその製造方法 |
US9905607B2 (en) * | 2015-07-28 | 2018-02-27 | General Electric Company | Radiation detector fabrication |
JP2017161408A (ja) * | 2016-03-10 | 2017-09-14 | コニカミノルタ株式会社 | シンチレータ、シンチレータパネルおよび放射線画像変換パネル |
KR102186321B1 (ko) | 2018-03-21 | 2020-12-03 | 김선용 | 레저용 이동식 파고라 |
Family Cites Families (10)
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US4543485A (en) * | 1981-11-24 | 1985-09-24 | Hitachi Chemical Company, Ltd. | Scintillator for radiation detection and process for producing the same |
JPH0519060A (ja) | 1991-07-10 | 1993-01-26 | Shin Etsu Chem Co Ltd | シンチレータの製造方法 |
SE521032C2 (sv) * | 2000-06-05 | 2003-09-23 | Xcounter Ab | Anordning och förfarande för detektering av joniserande strålning innefattande ljusdämpare mellan fotokatod och elektronlavinförstärkare |
JP4451112B2 (ja) * | 2003-10-24 | 2010-04-14 | 株式会社日立メディコ | 放射線検出器及びそれを用いた放射線画像診断装置 |
JP2005283483A (ja) * | 2004-03-30 | 2005-10-13 | Toshiba Corp | X線検出器 |
JP2006052980A (ja) * | 2004-08-10 | 2006-02-23 | Canon Inc | 放射線検出装置 |
JP2006052985A (ja) * | 2004-08-10 | 2006-02-23 | Canon Inc | 放射線検出装置の製造方法と放射線検出システム |
DE102005035421A1 (de) * | 2005-07-28 | 2007-02-08 | Siemens Ag | Formbares und aushärtendes Reflektormaterial mit erhöhter Reflektivität |
JP4886245B2 (ja) * | 2005-08-26 | 2012-02-29 | 株式会社東芝 | 放射線検出器 |
DE102006023732A1 (de) * | 2006-05-19 | 2008-02-07 | Siemens Ag | Strahlungsdetektor für Röntgen- oder Gammastrahlen |
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KR20100007924A (ko) | 2010-01-22 |
EP2194401B1 (en) | 2014-07-16 |
US8158949B2 (en) | 2012-04-17 |
JP2009031098A (ja) | 2009-02-12 |
KR101120244B1 (ko) | 2012-03-20 |
EP2194401A4 (en) | 2013-08-07 |
WO2009014180A1 (ja) | 2009-01-29 |
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EP2194401A1 (en) | 2010-06-09 |
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