JP5966091B2 - 放射線検出器素子及び構築方法 - Google Patents
放射線検出器素子及び構築方法 Download PDFInfo
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- JP5966091B2 JP5966091B2 JP2015535068A JP2015535068A JP5966091B2 JP 5966091 B2 JP5966091 B2 JP 5966091B2 JP 2015535068 A JP2015535068 A JP 2015535068A JP 2015535068 A JP2015535068 A JP 2015535068A JP 5966091 B2 JP5966091 B2 JP 5966091B2
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- solder ball
- detector element
- photodiode
- radiation detector
- solder
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- H01L2924/11—Device type
- H01L2924/12—Passive devices, e.g. 2 terminal devices
- H01L2924/1204—Optical Diode
- H01L2924/12043—Photo diode
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- Condensed Matter Physics & Semiconductors (AREA)
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- Electromagnetism (AREA)
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- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Measurement Of Radiation (AREA)
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- Solid State Image Pick-Up Elements (AREA)
Description
Claims (15)
- 第1主軸に沿って延在する第1主表面を有する少なくとも1つの光ダイオードと、
前記第1主軸に対して横方向に配向された第2主軸に沿って延在する第2主表面を有する検出器素子基板と、
を含み、
前記光ダイオードは、前記検出器素子基板に物理的には接触していないが、少なくとも1つの接続部を介して前記検出器素子基板と電気的に接続され、
前記接続部は2つの溶融半田ボールを含み、
前記2つの溶融半田ボールのうちの第1は、前記光ダイオードに接触し、前記2つの溶融半田ボールのうちの第2は、前記検出器素子基板に接触する、
放射線検出器素子。 - 前記光ダイオードの前記第1主軸は、前記検出器素子基板の前記第2主軸に対して実質的に垂直に配向された、請求項1に記載の放射線検出器素子。
- 前記の第1の半田ボール及び/又は前記の第2の半田ボールの組成物は、少なくともビスマスを含む、請求項1に記載の放射線検出器素子。
- 前記光ダイオードに結合されたシンチレータ材料を更に含み、
前記シンチレータ材料は、2つ以上の積層されたシンチレータ層を含む、請求項1に記載の放射線検出器素子。 - 前記光ダイオードに結合された放射線遮蔽素子を更に含む、請求項1に記載の放射線検出器素子。
- 少なくとも32個の接続部を含み、少なくとも16個の光ダイオードを含む、請求項1に記載の放射線検出器素子。
- 前記第1主表面は第1平面にあり、
前記第2主表面は第2平面にあり、
前記第1平面及び前記第2平面は、互いに対して横方向に配列された、請求項1から6のいずれか一項に記載の放射線検出器素子。 - コンピュータ断層撮影装置などの医療用イメージング装置であって、
請求項1から7のいずれか一項に記載の、少なくとも1つの放射線検出器素子を含む、医療用イメージング装置。 - 第1主軸に沿って延在する第1主表面を有する少なくとも1つの光ダイオードと、第2主軸に沿って延在する第2主表面を有する検出器素子基板とを含む、放射線検出器を構築するための方法であって、当該方法は、
第1半田ボールを前記光ダイオードの前記第1主表面に塗布する工程と、
第2半田ボールを前記検出器素子基板の前記第2主表面に塗布する工程と、
前記1半田ボール及び/又は前記第2半田ボールを平坦化する工程と、
前記第1主軸が、前記第2主軸に対して角度αをもって、横方向に配向されるように前記光ダイオードを位置付ける工程と、
前記1半田ボール及び前記第2半田ボールを、前記1半田ボール及び前記第2半田ボールの融解点を上回る温度に加熱する工程と、
を含み、
前記1半田ボール及び前記第2半田ボールは、互いに対して近接して配置され、これによって、前記第1半田ボールが加熱時に膨張するとき、前記1半田ボールは前記第2半田ボールを湿らせ、
前記光ダイオードは、前記検出器素子基板に物理的には接触していないが、少なくとも1つの接続部を介して前記検出器素子基板と電気的に接続される、方法。 - 前記光ダイオードにシンチレータ層及び/又は遮蔽層を接着する工程を更に含む、請求項9に記載の方法。
- αは80°から90°の間にある、請求項9に記載の方法。
- 前記第1半田ボール及び/又は前記第2半田ボールを平坦化する前記の工程は、前記第1半田ボール及び/又は前記第2半田ボールを圧縮する工程を含む、請求項9に記載の方法。
- 前記第1半田ボール及び前記第2半田ボールは、500ミクロンより小さい直径を有する、請求項9に記載の方法。
- 前記の加熱工程は、レーザー加熱工程を含む、請求項9に記載の方法。
- 前記の加熱工程において同時に加熱される、少なくとも2つの第1半田ボール及び少なくとも2つの第2半田ボールがある、請求項9に記載の方法。
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PCT/EP2014/068852 WO2015032865A1 (en) | 2013-09-05 | 2014-09-04 | Radiation detector element |
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EP (1) | EP3042395B1 (ja) |
JP (1) | JP5966091B2 (ja) |
CN (1) | CN104603640B (ja) |
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US9748300B2 (en) | 2017-08-29 |
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