JP7614592B2 - 放射線撮像装置 - Google Patents
放射線撮像装置 Download PDFInfo
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- JP7614592B2 JP7614592B2 JP2022555002A JP2022555002A JP7614592B2 JP 7614592 B2 JP7614592 B2 JP 7614592B2 JP 2022555002 A JP2022555002 A JP 2022555002A JP 2022555002 A JP2022555002 A JP 2022555002A JP 7614592 B2 JP7614592 B2 JP 7614592B2
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- 230000005855 radiation Effects 0.000 title claims description 126
- 238000003384 imaging method Methods 0.000 title claims description 48
- 239000000758 substrate Substances 0.000 claims description 121
- 239000002245 particle Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 description 65
- 239000004065 semiconductor Substances 0.000 description 63
- 238000006243 chemical reaction Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000005684 electric field Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000003530 single readout Methods 0.000 description 1
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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
- G01T1/24—Measuring radiation intensity with semiconductor detectors
-
- 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
- G01T1/24—Measuring radiation intensity with semiconductor detectors
- G01T1/241—Electrode arrangements, e.g. continuous or parallel strips or the like
-
- 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
- G01T1/24—Measuring radiation intensity with semiconductor detectors
- G01T1/247—Detector read-out circuitry
-
- 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
-
- 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
- H10F39/1895—X-ray, gamma-ray or corpuscular radiation imagers of the hybrid type
-
- 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
- H10F39/811—Interconnections
-
- 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
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- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Solid State Image Pick-Up Elements (AREA)
- Measurement Of Radiation (AREA)
- Toxicology (AREA)
Description
Claims (5)
- 入射した放射線のエネルギ又は粒子の数に対応する電荷を生成する電荷生成部及び前記電荷に基づくデジタル値を出力する読出部を有する放射線検出器と、
複数の前記放射線検出器が二次元状に配置された回路基板と、を備え、
前記読出部は、
前記デジタル値を出力する複数の信号処理部が二次元状に配置されたリードアウト基板と、
前記電荷生成部と前記リードアウト基板との間に配置され、前記電荷生成部に対面する第1の主面及び前記リードアウト基板に対面する第2の主面を含む複数の中間基板と、を有し、
前記第1の主面には、前記電荷生成部に電気的に接続される複数の第1の電極が配置され、
前記第2の主面には、前記リードアウト基板の前記信号処理部及び前記第1の電極のそれぞれに電気的に接続される複数の第2の電極が配置され、
複数の前記第2の電極の配置間隔は、複数の前記第1の電極の配置間隔より狭く、
前記リードアウト基板は、
前記中間基板の前記第2の電極と電気的に接続される第3の電極を含むと共に前記中間基板が配置される入力部と、
前記回路基板に電気的に接続される第4の電極を含み、前記入力部に隣接するように設けられた出力部と、を含み、
前記中間基板を平面視した場合の外形は、前記電荷生成部を平面視した場合の外形よりも小さく、
前記第4の電極は、前記入力部が形成された前記リードアウト基板の主面から前記出力部が形成された前記リードアウト基板の裏面に至る貫通電極であり、
前記第2の主面には、複数の前記第2の電極を含む画素ブロックが複数形成され、
互いに隣接する前記画素ブロックの間隔は、前記第2の電極の配置間隔よりも広い、放射線撮像装置。 - 前記リードアウト基板を平面視した場合の外形は、前記電荷生成部を平面視した場合の外形よりも小さい、請求項1に記載の放射線撮像装置。
- 前記リードアウト基板を平面視した場合の外形は、前記電荷生成部を平面視した場合の外形よりも大きい、請求項1に記載の放射線撮像装置。
- 前記第1の電極は、第1の配置間隔と、前記第1の配置間隔とは異なる第2の配置間隔とに従って配置されている、請求項1~3のいずれか一項に記載の放射線撮像装置。
- 前記第2の電極は、第3の配置間隔と、前記第3の配置間隔とは異なる第4の配置間隔とに従って配置されている、請求項1~4のいずれか一項に記載の放射線撮像装置。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2020/037867 WO2022074733A1 (ja) | 2020-10-06 | 2020-10-06 | 放射線撮像装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2022074733A1 JPWO2022074733A1 (ja) | 2022-04-14 |
| JP7614592B2 true JP7614592B2 (ja) | 2025-01-16 |
Family
ID=81126718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022555002A Active JP7614592B2 (ja) | 2020-10-06 | 2020-10-06 | 放射線撮像装置 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US12328958B2 (ja) |
| JP (1) | JP7614592B2 (ja) |
| KR (1) | KR102899416B1 (ja) |
| WO (1) | WO2022074733A1 (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7614592B2 (ja) * | 2020-10-06 | 2025-01-16 | 国立大学法人静岡大学 | 放射線撮像装置 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003264280A (ja) | 2002-03-08 | 2003-09-19 | Hamamatsu Photonics Kk | 検出器 |
| JP2003282849A (ja) | 2002-03-26 | 2003-10-03 | Canon Inc | 放射線検出装置及び放射線検出装置用接続基板の製造方法 |
| JP2012009607A (ja) | 2010-06-24 | 2012-01-12 | Sumitomo Electric Ind Ltd | 受光素子アレイ、ハイブリッド型検出装置、および光学センサ装置 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7189971B2 (en) | 2002-02-15 | 2007-03-13 | Oy Ajat Ltd | Radiation imaging device and system |
| JP4934826B2 (ja) | 2005-12-07 | 2012-05-23 | 株式会社アクロラド | 放射線画像検出モジュールおよび放射線画像検出装置 |
| JP5868575B2 (ja) | 2010-04-15 | 2016-02-24 | 浜松ホトニクス株式会社 | 接続基板 |
| JP7614592B2 (ja) | 2020-10-06 | 2025-01-16 | 国立大学法人静岡大学 | 放射線撮像装置 |
-
2020
- 2020-10-06 JP JP2022555002A patent/JP7614592B2/ja active Active
- 2020-10-06 US US18/247,914 patent/US12328958B2/en active Active
- 2020-10-06 WO PCT/JP2020/037867 patent/WO2022074733A1/ja not_active Ceased
- 2020-10-06 KR KR1020237011418A patent/KR102899416B1/ko active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003264280A (ja) | 2002-03-08 | 2003-09-19 | Hamamatsu Photonics Kk | 検出器 |
| JP2003282849A (ja) | 2002-03-26 | 2003-10-03 | Canon Inc | 放射線検出装置及び放射線検出装置用接続基板の製造方法 |
| JP2012009607A (ja) | 2010-06-24 | 2012-01-12 | Sumitomo Electric Ind Ltd | 受光素子アレイ、ハイブリッド型検出装置、および光学センサ装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| US12328958B2 (en) | 2025-06-10 |
| JPWO2022074733A1 (ja) | 2022-04-14 |
| KR102899416B1 (ko) | 2025-12-12 |
| US20230378229A1 (en) | 2023-11-23 |
| KR20230058713A (ko) | 2023-05-03 |
| WO2022074733A1 (ja) | 2022-04-14 |
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