JP2017534320A - 傾斜角度でx線放射線を検出するx線検出器装置 - Google Patents
傾斜角度でx線放射線を検出するx線検出器装置 Download PDFInfo
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Abstract
Description
−第1ステップS1において、傾斜した角度で、X線検出器装置10のカソード表面11を照射するようにX線を供給する。
−第2ステップS2において、上述したX線検出器装置10によって、X線を検出する。
−任意の第3のステップS3において、電圧オフセットのさまざまな値について解像度ファントムを測定する。
−任意の第4のステップS4において、電圧オフセットの関数として空間解像度を最大にすることによって、X線検出器装置10を較正する。
Claims (12)
- X線放射線を、該X線放射線に対し傾斜した角度で検出するX線検出器装置であって、
カソード表面と、
アノード表面と、を有し、
前記カソード表面及び前記アノード表面は、動作中に前記カソード表面に入射するX線放射線に応じて前記カソード表面と前記アノード表面の間の電荷輸送を可能にするよう分離層によって隔てられており、
前記アノード表面が、アノードピクセルにセグメント化されており、
前記カソード表面が、カソードピクセルにセグメント化されており、
前記カソードピクセルの少なくとも1つが、前記カソード表面に対し傾斜した結合方向において、前記アノードピクセルの少なくとも1つに割り当てられ、
前記カソードピクセルの前記少なくとも1つが、隣接するカソードピクセルに対し電圧オフセットを有するように構成され、
前記アノードピクセルの前記少なくとも1つが、隣接するアノードピクセルに対し電圧オフセットを有するように構成され、
前記電圧オフセットは、前記結合方向に平行な方向に電荷輸送を収束させるように構成され、前記電圧オフセットは、前記カソード表面と前記結合方向との間の傾斜角度に依存し、前記結合方向は、動作中に前記カソード表面に入射するX線放射線のビームの対称軸に平行である、
X線検出器装置。 - 前記電圧オフセットが、第1のカソードピクセルと第2のカソードピクセルの間のカソードピクセルのオフセット数xに反比例し、前記第2のカソードピクセルが、前記カソード表面の法線方向において前記第1のカソードピクセルとアラインされたアノードピクセルと等電位線上にあるように規定される、請求項1に記載のX線検出器装置。
- 前記電圧オフセットが、第1のアノードピクセルと第2のアノードピクセルの間のアノードピクセルのオフセット数xに反比例し、前記第2のアノードピクセルが、前記カソード表面の法線方向において前記第1のアノードピクセルとアラインされたカソードピクセルと等電位線上にあるように規定される、請求項1に記載のX線検出器装置。
- 比p/dが、0.5乃至7であり、好適には0.5乃至5であり、より好適には0.7乃至4である、請求項4に記載のX線検出器装置。
- 前記カソード表面と前記結合方向との間の傾斜角度が、5°乃至89°であり、好適には10°乃至60°であり、より好適には15°乃至50°である、請求項1乃至5のいずれか1項に記載のX線検出器装置。
- 請求項1乃至6のいずれか1項に記載のX線検出器装置と、
動作中、前記X線放射線のビームの対称軸と前記カソード表面の間に傾斜した角度を有して、前記X線検出器装置の前記カソード表面に入射するX線放射線のビームを生成するように構成されるX線管と、
を有する、X線イメージングシステム。 - 位相コントラストイメージングのために、前記X線検出器装置によって検出される干渉縞を処理するように構成される処理ユニットを更に有する、請求項7に記載のX線イメージングシステム。
- 請求項1乃至6のいずれか1項に記載のX線検出器装置のカソード表面を傾斜角度で照射するようにX線を供給するステップと、
前記X線検出器装置によって前記X線を検出するステップと、
を有する、X線イメージング方法。 - 前記電圧オフセットのさまざまな値について解像度ファントムを測定するステップと、
前記電圧オフセットの関数として空間解像度を最大にすることによって前記X線検出器装置を較正するステップと、
を更に含む、請求項9に記載のX線イメージング方法。 - 請求項1乃至6のいずれか1項に記載のX線検出器装置又は請求項7若しくは8に記載のX線イメージングシステムを制御するための、又は請求項9若しくは10に記載のX線イメージング方法を実施するためのコンピュータプログラム要素であって、処理ユニットによって実行されるとき、請求項9又は10に記載のX線イメージング方法の各ステップを処理ユニットに実施させるコンピュータプログラム要素。
- 請求項11に記載のコンピュータプログラム要素を記憶したコンピュータ可読媒体。
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PCT/EP2015/078171 WO2016087423A1 (en) | 2014-12-05 | 2015-12-01 | X-ray detector device for inclined angle x-ray radiation |
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US11674797B2 (en) * | 2020-03-22 | 2023-06-13 | Analog Devices, Inc. | Self-aligned light angle sensor using thin metal silicide anodes |
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BR112017002916A2 (pt) | 2017-12-05 |
JP6262919B2 (ja) | 2018-01-17 |
EP3161522B1 (en) | 2018-02-28 |
US20170285187A1 (en) | 2017-10-05 |
EP3161522A1 (en) | 2017-05-03 |
RU2017106201A (ru) | 2018-08-27 |
CN106796302A (zh) | 2017-05-31 |
US10172577B2 (en) | 2019-01-08 |
WO2016087423A1 (en) | 2016-06-09 |
CN106796302B (zh) | 2018-11-13 |
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