JP2008039777A - 撮像装置の内部の偏極を低減する方法及び装置 - Google Patents
撮像装置の内部の偏極を低減する方法及び装置 Download PDFInfo
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- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
- G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor
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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
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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- H04N23/30—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from X-rays
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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Abstract
【解決手段】撮像装置の内部の偏極を低減する方法(250)及び装置が提供され、この方法及び装置は、画像検出装置(100)を制御する方法を含んでいる。この方法は、少なくとも1個のオーム接点(200)を有する画像検出装置に熱を加えるステップ(252)と、画像検出装置の温度レベルを調節するために、加えられる熱を制御するステップとを含んでいる。
【選択図】図4
Description
12 ガントリ
14 X線管又はX線源
16 X線
18 検出器アレイ
20 検出器素子
22 患者
24 回転中心
26 制御機構
28 X線制御器
30 ガントリ・モータ制御器
32 データ取得システム(DAS)
34 画像再構成器
36 コンピュータ
38 記憶装置
40 コンソール
42 付設されている表示器
44 テーブル・モータ制御器
46 電動式テーブル
48 ガントリ開口
50 受け入れ装置
52 コンピュータ読み取り可能な媒体
100 画像検出装置
102 検出器素子
104 検出器基材
108 ピクセル電極
110 第一の表面
112 第二の表面
114 長手軸
140 線源
144 フォトン(放出ガンマ線及び透過X線)
154 単一のカソード電極
156 可動電子
158 正孔
160 読み出し電子回路
200 オーム接点
202 結晶
204 回路基板
206 電子回路
208 コネクタ
210 端部
220 外部熱源
222 X線
224 温度センサ
250 方法の一例
252 方法250は、例えば加熱装置及び選択随意で温度センサを含み得る少なくとも1個の熱源を画像検出装置に結合するステップを含んでいる
254 熱源は、画像検出装置に加えられる温度を調節するように制御されて、画像検出装置の温度を変化させる
312 加熱装置
400 断熱層
402 底面
404 第一の側面
406 第二の側面
408 第三の側面
410 第四の側面
412 上面
Claims (10)
- 画像検出装置を制御する方法(250)であって、
少なくとも1個のオーム接点を有する前記画像検出装置に熱を加えるステップ(252)と、
前記画像検出装置の温度レベルを調節するために、前記加えられる熱を制御するステップ(254)と
を備えた方法。 - 前記熱を加えるステップ(252)は、前記画像検出装置を直接加熱するステップを含んでいる、請求項1に記載の方法(250)。
- 前記熱を加えるステップ(252)は、前記画像検出装置を間接的に加熱するステップを含んでいる、請求項1に記載の方法(250)。
- 前記熱の前記温度レベルを制御するために、前記画像検出装置の前記温度を感知するように構成されている温度センサを用いるステップをさらに含んでいる請求項1に記載の方法(250)。
- 前記少なくとも1個のオーム接点に抵抗依存型加熱装置を結合するステップと、前記温度レベルを制御するために、前記抵抗依存型加熱装置に流れる電流を制御するステップとをさらに含んでいる請求項1に記載の方法(250)。
- 基材(104)と、
該基材に結合されている少なくとも1個のオーム接点(200)と、
前記基材の温度を高めるように構成されている熱源(220)と
を備えた画像検出装置(100)。 - 前記熱源(220)は、印加される電流レベルに基づいて温度レベルを変化させるように構成されている加熱装置を含んでいる、請求項6に記載の画像検出装置(100)。
- 前記熱源(220)は、前記基材の前記温度を高めるサーモ・フォイルを含んでいる、請求項6に記載の画像検出装置(100)。
- 前記熱源(220)は、非走査モード時に前記基材の高められた温度レベルを保つように構成されている、請求項6に記載の画像検出装置(100)。
- フォトン束を放出するように構成されている放射線源(140)と、
前記フォトン束を受光して該フォトン束に基づいて応答を発生するように構成されている画像検出装置(100)であって、当該画像検出装置(100)に結合されている少なくとも1個のオーム接点(200)と共にテルル化カドミウム亜鉛(CZT)材料及びテルル化カドミウム(CdTe)材料の少なくとも一方を少なくとも部分的に用いて作製されている画像検出装置(100)と、
該画像検出装置の温度を高めるように構成されている熱源(220)と
を備えたイメージング・システム(10)。
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Application Number | Priority Date | Filing Date | Title |
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US11/498,589 US7514692B2 (en) | 2005-06-22 | 2006-08-03 | Method and apparatus for reducing polarization within an imaging device |
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JP2008039777A true JP2008039777A (ja) | 2008-02-21 |
JP2008039777A5 JP2008039777A5 (ja) | 2011-08-18 |
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JP2007198408A Pending JP2008039777A (ja) | 2006-08-03 | 2007-07-31 | 撮像装置の内部の偏極を低減する方法及び装置 |
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Country | Link |
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US (1) | US7514692B2 (ja) |
JP (1) | JP2008039777A (ja) |
CN (1) | CN101116620B (ja) |
DE (1) | DE102007036821A1 (ja) |
IL (1) | IL184912A0 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012000386A (ja) * | 2010-06-21 | 2012-01-05 | Toshiba Corp | X線ct装置 |
JP2017504792A (ja) * | 2013-12-20 | 2017-02-09 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | デジタルポジトロン放出断層撮影(pet)検出器の温度安定性の向上 |
Families Citing this family (19)
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DE102007054832A1 (de) * | 2007-11-16 | 2009-05-14 | Siemens Ag | Flachbilddetektor mit Temperatursensor |
US20100316184A1 (en) * | 2008-10-17 | 2010-12-16 | Jan Iwanczyk | Silicon photomultiplier detector for computed tomography |
DE102009018877B4 (de) * | 2008-11-25 | 2016-07-28 | Siemens Healthcare Gmbh | Röntgenstrahlungsdetektor zur Verwendung in einem CT-System |
US8532250B2 (en) * | 2010-02-24 | 2013-09-10 | Kabushiki Kaisha Toshiba | X-ray CT apparatus and control method for X-ray CT apparatus |
JP5613487B2 (ja) | 2010-07-22 | 2014-10-22 | 株式会社東芝 | X線ct装置 |
JP2012034848A (ja) * | 2010-08-06 | 2012-02-23 | Toshiba Corp | X線検出器およびx線ct装置 |
EP2707753B1 (en) | 2011-05-11 | 2019-06-12 | Koninklijke Philips N.V. | Ionizing radiation detection. |
DE102012204766B4 (de) * | 2012-03-26 | 2015-07-02 | Siemens Aktiengesellschaft | Röntgendetektor mit photonenzählenden direktwandelnden Detektorelementen und Verfahren zur Temperaturkonstanthaltung des Röntgendetektors |
DE102012213404B3 (de) * | 2012-07-31 | 2014-01-23 | Siemens Aktiengesellschaft | Verfahren zur Temperaturstabilisierung, Röntgenstrahlungsdetektor und CT-System |
JP2014210047A (ja) * | 2013-04-18 | 2014-11-13 | 株式会社東芝 | X線ct装置 |
DE102013214684B4 (de) * | 2013-07-26 | 2016-12-22 | Siemens Healthcare Gmbh | Direktkonvertierender Röntgendetektor |
CN104337533A (zh) * | 2013-07-31 | 2015-02-11 | Ge医疗系统环球技术有限公司 | 计算机断层扫描设备及用于该设备的加热单元和方法 |
KR20150036840A (ko) | 2013-09-27 | 2015-04-08 | 삼성전자주식회사 | 엑스선 검출기 및 이를 포함한 엑스선 촬영 장치 |
US9229115B2 (en) | 2013-12-20 | 2016-01-05 | Koninklijke Philips N.V. | Temperature stability for a digital positron emission tomography (PET) detector |
EP3049829B1 (en) * | 2014-09-26 | 2017-03-22 | Koninklijke Philips N.V. | Radiation detector with heating device |
US9989654B2 (en) | 2016-01-13 | 2018-06-05 | General Electric Company | Systems and methods for reducing polarization in imaging detectors |
US9746565B2 (en) | 2016-01-13 | 2017-08-29 | General Electric Company | Systems and methods for reducing polarization in imaging detectors |
CN108415483A (zh) * | 2018-03-23 | 2018-08-17 | 中科美其(天津)科技有限公司 | 摄影测量装置 |
KR102671817B1 (ko) * | 2018-03-29 | 2024-05-31 | 루메니스 비 리미티드 | 건조한 눈의 처치를 위한 장치 및 방법 |
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JPH04110691A (ja) * | 1990-08-30 | 1992-04-13 | Shimadzu Corp | 放射線検出器 |
JP2002202377A (ja) * | 2001-01-05 | 2002-07-19 | Shimadzu Corp | 放射線検出器 |
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JP2003014860A (ja) * | 2001-06-29 | 2003-01-15 | Toshiba Corp | 放射線検出器および放射線検査装置 |
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- 2006-08-03 US US11/498,589 patent/US7514692B2/en not_active Expired - Fee Related
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- 2007-07-29 IL IL184912A patent/IL184912A0/en active IP Right Grant
- 2007-07-31 JP JP2007198408A patent/JP2008039777A/ja active Pending
- 2007-08-03 CN CN200710149416XA patent/CN101116620B/zh not_active Expired - Fee Related
- 2007-08-03 DE DE102007036821A patent/DE102007036821A1/de not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS6484176A (en) * | 1987-09-28 | 1989-03-29 | Matsushita Electric Ind Co Ltd | Semiconductor radiation detector |
JPH04110691A (ja) * | 1990-08-30 | 1992-04-13 | Shimadzu Corp | 放射線検出器 |
JP2002202377A (ja) * | 2001-01-05 | 2002-07-19 | Shimadzu Corp | 放射線検出器 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012000386A (ja) * | 2010-06-21 | 2012-01-05 | Toshiba Corp | X線ct装置 |
JP2017504792A (ja) * | 2013-12-20 | 2017-02-09 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | デジタルポジトロン放出断層撮影(pet)検出器の温度安定性の向上 |
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US7514692B2 (en) | 2009-04-07 |
US20070029496A1 (en) | 2007-02-08 |
CN101116620A (zh) | 2008-02-06 |
DE102007036821A1 (de) | 2008-02-07 |
IL184912A0 (en) | 2008-01-06 |
CN101116620B (zh) | 2011-07-06 |
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