JP5026048B2 - 光検出器読出し方法 - Google Patents
光検出器読出し方法 Download PDFInfo
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- JP5026048B2 JP5026048B2 JP2006287383A JP2006287383A JP5026048B2 JP 5026048 B2 JP5026048 B2 JP 5026048B2 JP 2006287383 A JP2006287383 A JP 2006287383A JP 2006287383 A JP2006287383 A JP 2006287383A JP 5026048 B2 JP5026048 B2 JP 5026048B2
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- 238000000034 method Methods 0.000 title claims description 17
- 230000005855 radiation Effects 0.000 claims description 5
- 208000001642 combined saposin deficiency Diseases 0.000 description 28
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- 238000012879 PET imaging Methods 0.000 description 11
- 238000002600 positron emission tomography Methods 0.000 description 11
- 230000005251 gamma ray Effects 0.000 description 9
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- 238000003384 imaging method Methods 0.000 description 6
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- OHSVLFRHMCKCQY-UHFFFAOYSA-N lutetium atom Chemical compound [Lu] OHSVLFRHMCKCQY-UHFFFAOYSA-N 0.000 description 1
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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
- G01T1/161—Applications in the field of nuclear medicine, e.g. in vivo counting
- G01T1/164—Scintigraphy
- G01T1/1641—Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras
- G01T1/1642—Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras using a scintillation crystal and position sensing photodetector arrays, e.g. ANGER cameras
-
- 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
- G01T1/2985—In depth localisation, e.g. using positron emitters; Tomographic imaging (longitudinal and transverse section imaging; apparatus for radiation diagnosis sequentially in different planes, steroscopic radiation diagnosis)
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- High Energy & Nuclear Physics (AREA)
- General Physics & Mathematics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Measurement Of Radiation (AREA)
- Nuclear Medicine (AREA)
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Description
Y=[(A+D)−(B+C)]/[A+B+C+D] (式2)。
12 検出器アセンブリ
18 検出器モジュール
24 PMT(光電子増倍管)
26 導波器
28 シンチレータ
30 PSAPD(位置検知性アバランシェ・フォトダイオード)アレイ
32、34、36、38、40 PSAPD
42 境界部
44 シンチレータ結晶
46 4つの隣接した領域
48 接点
50、52、54、56 共通出力チャンネル
58、60 共通接続部
62、64 出力チャンネル
64、68、70、72 複数の領域
66 写像
74 楕円
76 出力チャンネル
78 共通の出力チャンネル
80 ガンマ線の衝突位置
Claims (8)
- 各々がその隅部に出力接点(48)を含んでいる複数の位置検知性アバランシェ・フォトダイオード(32)と、前記フォトダイオードの出力接点に電気的に結合された複数の出力接続部(58、60、62、64)とを含むフォトダイオード・アレイ(30)であって、前記出力接続部の内の少なくとも1つが少なくとも2つ異なるフォトダイオードの出力接点に共通であるようなフォトダイオード・アレイ(30)からの出力信号を検出する段階と、
前記出力信号を分析して、前記アレイ(30)内の、放射線入射事象が生じた場所に近いフォトダイオード(32)を決定する段階と、
を有している、光検出器読出し方法。 - 放射線入射事象が生じた場所に近いフォトダイオードを決定するために、複数の共通出力接続部(58、60、62、64)からの出力信号が比較される、請求項1記載の方法。
- 前記光検出器は単一のウェーハ上に複数のフォトダイオード(32)を含んでおり、これらのフォトダイオードの各々が溝によって隔てられている、請求項1記載の方法。
- 前記の共通の接続部(58、60、62、64)が4つの異なるフォトダイオード(32)の出力接点(48)に共通である、請求項1記載の方法。
- 複数の出力接続部(58、60、62、64)が少なくとも2つ異なるフォトダイオード(32)のそれぞれの出力接点に共通である、請求項1記載の方法。
- 前記光検出器がシンチレータ(28)を含み、
前記フォトダイオード・アレイ(30)は該シンチレータ(28)の1つの面に隣接して配置されている、請求項1記載の方法。 - 更に、前記シンチレータ(28)の反対側の面に隣接して配置された光電子増倍管(24)を含んでいる請求項6記載の方法。
- 前記光検出器が、前記シンチレータ(28)と前記光電子増倍管(24)との間に配置された導波器(26)を含んでいる請求項7記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/257,207 | 2005-10-24 | ||
US11/257,207 US7193208B1 (en) | 2005-10-24 | 2005-10-24 | Time-of-flight capable high resolution pet detector |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007147598A JP2007147598A (ja) | 2007-06-14 |
JP5026048B2 true JP5026048B2 (ja) | 2012-09-12 |
Family
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Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006287383A Active JP5026048B2 (ja) | 2005-10-24 | 2006-10-23 | 光検出器読出し方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7193208B1 (ja) |
JP (1) | JP5026048B2 (ja) |
DE (1) | DE102006050283A1 (ja) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7378659B2 (en) * | 2005-03-04 | 2008-05-27 | General Electric Company | Systems and methods to localize optical emission in radiation detectors |
US7635848B2 (en) * | 2005-04-01 | 2009-12-22 | San Diego State University Research Foundation | Edge-on SAR scintillator devices and systems for enhanced SPECT, PET, and compton gamma cameras |
US7414248B1 (en) * | 2006-06-23 | 2008-08-19 | Siemens Medical Solutions Usa, Inc. | Electrical penetration of nuclear detector tub |
GB2440588B (en) * | 2006-08-04 | 2009-09-09 | Symetrica Ltd | Gamma-Ray detector |
RU2476906C2 (ru) * | 2007-08-22 | 2013-02-27 | Конинклейке Филипс Электроникс | Компоновка отражателя и коллиматора света для улучшенного накопления света в сцинтилляционных детекторах |
JP5099792B2 (ja) * | 2008-04-09 | 2012-12-19 | 独立行政法人放射線医学総合研究所 | 放射線検出方法、装置、及び、陽電子放射断層撮像装置 |
EP2133713A1 (en) | 2008-06-13 | 2009-12-16 | Vrije Universiteit Brussel | Method, device and system for localizing an interaction point |
JP5382737B2 (ja) * | 2008-10-08 | 2014-01-08 | 独立行政法人放射線医学総合研究所 | Doi型放射線検出器 |
US8110806B2 (en) * | 2008-10-31 | 2012-02-07 | General Electric Company | Solid-state photomultiplier having improved timing resolution |
US8294110B2 (en) * | 2011-03-11 | 2012-10-23 | Kabushiki Kaisha Toshiba | Method for improved correction of SiPM non-linearity in multiplexed radiation detectors |
DE102011111432A1 (de) * | 2011-08-25 | 2013-02-28 | Ruprecht-Karls-Universität Heidelberg | Ortsempfindlicher Detektor zur Detektion von Photonen- oder Teilchenverteilungen |
CN103842848B (zh) * | 2011-08-30 | 2016-03-30 | 圣戈本陶瓷及塑料股份有限公司 | 用于深槽浅切口像素化的***、方法和设备 |
US9606245B1 (en) | 2015-03-24 | 2017-03-28 | The Research Foundation For The State University Of New York | Autonomous gamma, X-ray, and particle detector |
US9696439B2 (en) | 2015-08-10 | 2017-07-04 | Shanghai United Imaging Healthcare Co., Ltd. | Apparatus and method for PET detector |
US10497741B2 (en) | 2016-01-05 | 2019-12-03 | Board Of Regents, The University Of Texas System | Apparatus and methods for optical emission detection |
IT201900010638A1 (it) * | 2019-07-02 | 2021-01-02 | St Microelectronics Srl | Rilevatore di radiazione a scintillatore e dosimetro corrispondente |
US11762108B2 (en) * | 2020-01-21 | 2023-09-19 | LightSpin Technologies Inc. | Modular pet detector comprising a plurality of modular one-dimensional arrays of monolithic detector sub-modules |
US12013503B2 (en) * | 2022-10-07 | 2024-06-18 | Cintilight, Llc | Lateral crystal photodiode readouts and switched diode networks for processing nuclear events |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS6276478A (ja) * | 1985-09-30 | 1987-04-08 | Shimadzu Corp | 2次元的放射線検出器 |
JPH065290B2 (ja) * | 1986-09-18 | 1994-01-19 | 浜松ホトニクス株式会社 | ポジトロンct装置 |
JPS63148189A (ja) * | 1986-12-11 | 1988-06-21 | Hamamatsu Photonics Kk | 放射線検出器 |
US5146296A (en) * | 1987-12-03 | 1992-09-08 | Xsirius Photonics, Inc. | Devices for detecting and/or imaging single photoelectron |
JP2686034B2 (ja) * | 1993-06-08 | 1997-12-08 | 浜松ホトニクス株式会社 | 放射線位置検出装置 |
US5438217A (en) * | 1994-04-29 | 1995-08-01 | General Electric Company | Planar avalanche photodiode array with sidewall segment |
JPH09197052A (ja) * | 1996-01-18 | 1997-07-31 | Shimadzu Corp | 放射線検出器とその製造方法 |
US5831322A (en) * | 1997-06-25 | 1998-11-03 | Advanced Photonix, Inc. | Active large area avalanche photodiode array |
US5757057A (en) * | 1997-06-25 | 1998-05-26 | Advanced Photonix, Inc. | Large area avalanche photodiode array |
JP3697340B2 (ja) * | 1997-11-07 | 2005-09-21 | 独立行政法人放射線医学総合研究所 | 放射線入射位置3次元検出器の発光位置特定方法 |
JP4326613B2 (ja) * | 1998-12-18 | 2009-09-09 | 浜松ホトニクス株式会社 | 放射線検出装置 |
US6483327B1 (en) * | 1999-09-30 | 2002-11-19 | Advanced Micro Devices, Inc. | Quadrant avalanche photodiode time-resolved detection |
US6781133B2 (en) | 2001-11-01 | 2004-08-24 | Radiation Monitoring Devices, Inc. | Position sensitive solid state detector with internal gain |
JP3908973B2 (ja) * | 2002-03-27 | 2007-04-25 | 浜松ホトニクス株式会社 | 位置検出装置 |
US7049600B2 (en) * | 2002-09-18 | 2006-05-23 | The Board Of Trustees Of The Leland Stanford Junior University | Scintillation crystal detection arrays for radiation imaging devices |
ES2239506B1 (es) * | 2003-04-10 | 2006-11-16 | Consejo Superior Investigacion | Detector de rayos gamma con codificacion de profundidad de interaccion. |
US7378659B2 (en) * | 2005-03-04 | 2008-05-27 | General Electric Company | Systems and methods to localize optical emission in radiation detectors |
-
2005
- 2005-10-24 US US11/257,207 patent/US7193208B1/en active Active
-
2006
- 2006-10-23 DE DE102006050283A patent/DE102006050283A1/de not_active Withdrawn
- 2006-10-23 JP JP2006287383A patent/JP5026048B2/ja active Active
Also Published As
Publication number | Publication date |
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DE102006050283A1 (de) | 2007-05-10 |
US7193208B1 (en) | 2007-03-20 |
JP2007147598A (ja) | 2007-06-14 |
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