JP2011525238A - 放射線検出器及び放射線検出器を製造する方法 - Google Patents
放射線検出器及び放射線検出器を製造する方法 Download PDFInfo
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- JP2011525238A JP2011525238A JP2011513102A JP2011513102A JP2011525238A JP 2011525238 A JP2011525238 A JP 2011525238A JP 2011513102 A JP2011513102 A JP 2011513102A JP 2011513102 A JP2011513102 A JP 2011513102A JP 2011525238 A JP2011525238 A JP 2011525238A
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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
- G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
- G01T1/2914—Measurement of spatial distribution of radiation
- G01T1/2921—Static instruments for imaging the distribution of radioactivity in one or two dimensions; Radio-isotope cameras
- G01T1/2928—Static instruments for imaging the distribution of radioactivity in one or two dimensions; Radio-isotope cameras using solid state detectors
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- Measurement Of Radiation (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Solid State Image Pick-Up Elements (AREA)
Abstract
Description
Claims (13)
- 画素のアレイを有する放射線検出器において、各画素が、入射放射線を電気信号に変換する半導体材料の変換層を有し、各画素が、前記入射放射線により生成される光子の少なくとも一部を吸収するバリア材料で少なくとも部分的に充填されるトレンチにより囲まれる、放射線検出器。
- 各画素が、サブ画素のアレイを有し、各サブ画素が、前記トレンチにより囲まれる、請求項1に記載の放射線検出器。
- 各画素が、サブ画素のアレイを有し、隣接したサブ画素のクラスタが、前記トレンチにより囲まれる、請求項1に記載の放射線検出器。
- 前記トレンチ内の前記バリア材料の充填率が、前記検出器を横切るにつれてプログラム可能に変化する、請求項1ないし3のいずれか一項に記載の放射線検出器。
- 前記バリア材料が、35keVより上でK蛍光を示さない材料を有する、請求項1に記載の放射線検出器。
- 前記バリア材料が、モリブデン、銀又はタングステンを有する、請求項1に記載の放射線検出器。
- 前記バリア材料が、中位の原子番号Zを持つ材料である、請求項1ないし4のいずれか一項に記載の放射線検出器。
- 前記トレンチが、20μmないし600μmの範囲の前記変換層の深度を持つ、請求項1に記載の放射線検出器。
- 放射線検出器を製造する方法において、
半導体材料の基板を備えるステップと、
前記基板にトレンチを設けるステップと、
絶縁層で前記トレンチの表面を覆うステップと、
前記基板上に画素のアレイを設けるステップであって、各画素が前記トレンチにより囲まれる当該画素のアレイを設けるステップと、
入射放射線により生成される光子の少なくとも一部を吸収するバリア材料で前記トレンチを少なくとも部分的に充填するステップと、
を有する方法。 - 前記トレンチを少なくとも部分的に充填するステップが、ディスペンサ装置により前記トレンチの内側に前記バリア材料を選択的に配置するステップを有する、請求項9に記載の方法。
- 前記トレンチを少なくとも部分的に充填するステップが、前記トレンチの少なくとも部分的に充填されるべき部分に対する開口を規定するマスキング層を使用するステップを有する、請求項9に記載の方法。
- 請求項1に記載の放射線検出器を有するX線検出器。
- 請求項1に記載のX線放射線検出器を有する撮像システム、特にX線、CT、PET、SPECT又は核医学撮像装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08158304 | 2008-06-16 | ||
EP08158304.9 | 2008-06-16 | ||
PCT/IB2009/052442 WO2010004453A2 (en) | 2008-06-16 | 2009-06-09 | Radiation detector and a method of manufacturing a radiation detector |
Publications (3)
Publication Number | Publication Date |
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JP2011525238A true JP2011525238A (ja) | 2011-09-15 |
JP2011525238A5 JP2011525238A5 (ja) | 2012-07-26 |
JP5580300B2 JP5580300B2 (ja) | 2014-08-27 |
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JP2011513102A Active JP5580300B2 (ja) | 2008-06-16 | 2009-06-09 | 放射線検出器、放射線検出器を製造する方法、x線検出器及び撮像システム |
Country Status (6)
Country | Link |
---|---|
US (1) | US8564084B2 (ja) |
EP (1) | EP2291680B1 (ja) |
JP (1) | JP5580300B2 (ja) |
CN (2) | CN102066976A (ja) |
RU (1) | RU2493573C2 (ja) |
WO (1) | WO2010004453A2 (ja) |
Cited By (2)
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JP2013066650A (ja) * | 2011-09-26 | 2013-04-18 | Rf:Kk | X線グリッド製造方法、製造装置、製造システム、放射線撮像装置 |
KR101408138B1 (ko) | 2013-03-14 | 2014-06-17 | 한국원자력연구원 | 인쇄형 방사선 영상 센서, 이를 구비하는 방사선 영상 장치 및 이의 제조 방법 |
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JP5788859B2 (ja) * | 2012-12-28 | 2015-10-07 | 株式会社島津製作所 | 散乱x線除去用グリッド |
RU2554889C2 (ru) * | 2013-06-11 | 2015-06-27 | Евгений Николаевич Галашов | Способ изготовления детектирующей матрицы рентгеновского излучения |
DE102014201772B4 (de) | 2014-01-31 | 2017-10-12 | Siemens Healthcare Gmbh | Direktkonvertierender Röntgenstrahlungsdetektor, CT-System und Verfahren hierzu |
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US10393891B2 (en) | 2016-05-03 | 2019-08-27 | Redlen Technologies, Inc. | Sub-pixel segmentation for semiconductor radiation detectors and methods of fabricating thereof |
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JP2013066650A (ja) * | 2011-09-26 | 2013-04-18 | Rf:Kk | X線グリッド製造方法、製造装置、製造システム、放射線撮像装置 |
KR101408138B1 (ko) | 2013-03-14 | 2014-06-17 | 한국원자력연구원 | 인쇄형 방사선 영상 센서, 이를 구비하는 방사선 영상 장치 및 이의 제조 방법 |
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CN110398769A (zh) | 2019-11-01 |
CN110398769B (zh) | 2024-03-22 |
US8564084B2 (en) | 2013-10-22 |
WO2010004453A3 (en) | 2010-06-10 |
RU2493573C2 (ru) | 2013-09-20 |
EP2291680B1 (en) | 2015-05-06 |
US20110079865A1 (en) | 2011-04-07 |
CN102066976A (zh) | 2011-05-18 |
EP2291680A2 (en) | 2011-03-09 |
RU2011101443A (ru) | 2012-07-27 |
WO2010004453A2 (en) | 2010-01-14 |
JP5580300B2 (ja) | 2014-08-27 |
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