JP5095921B2 - 食違い配置の検出区域を有するモノリシックx線検出器 - Google Patents
食違い配置の検出区域を有するモノリシックx線検出器 Download PDFInfo
- Publication number
- JP5095921B2 JP5095921B2 JP2005131323A JP2005131323A JP5095921B2 JP 5095921 B2 JP5095921 B2 JP 5095921B2 JP 2005131323 A JP2005131323 A JP 2005131323A JP 2005131323 A JP2005131323 A JP 2005131323A JP 5095921 B2 JP5095921 B2 JP 5095921B2
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- JP
- Japan
- Prior art keywords
- monolithic
- detector
- ray detector
- area
- ray
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/36—Measuring spectral distribution of X-rays or of nuclear radiation spectrometry
- G01T1/366—Measuring spectral distribution of X-rays or of nuclear radiation spectrometry with semi-conductor detectors
-
- 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
- G01T1/24—Measuring radiation intensity with semiconductor detectors
- G01T1/241—Electrode arrangements, e.g. continuous or parallel strips or the like
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Measurement Of Radiation (AREA)
- Solid State Image Pick-Up Elements (AREA)
- Light Receiving Elements (AREA)
Description
12 モノリシックCZT結晶
14 前面
15 ピクセル領域
16、18 X線フォトン
20 後面
22 陰極
23 軸線
24 陽極
25 ガター領域
30 ステアリング電極
31 バイアス電圧源
32 電界
34 電荷坦体
36 導線
38 電荷積分器
39 電荷坦体
40 処理用コンピュータ
52 第1の底辺
54 走査方向
56 側壁
60、62 経路
Claims (4)
- CZT及びHgI2 より成る群から選択され、前面(14)及び後面(20)を持つモノリシック検出器素子(12)と、
前記前面(14)上の少なくとも1つの陰極(22)と、
前記後面(20)上に配置された少なくとも2列の陽極(24)であって、その各列が1つの軸線に沿って相隔たる独立の検出領域(15)を規定しており、また相異なる列の検出領域(15)の中心が、列に沿って測ったとき、互いに対してずれている、当該少なくとも2列の陽極(24)と、
を有し、
前記独立の検出領域(15)は、前記陽極(24)を囲むステアリング電極によって画成された平行四辺形の周縁を有し、
前記列の端にあるモノリシック検出器素子(12)の少なくとも1つの端部は前記平行四辺形の一辺に平行であり、複数のモノリシック検出器素子(12)は端と端とをつなげて配列して、ギャップを生じること無く又はこれらのモノリシック検出器素子(12)の中心間隔を変えること無く検出領域(15)の列を延長させることができる、
ことを特徴とする固体X線検出器(10,10’)。 - 前記ずれは前記軸線に沿った検出領域(15)の幅の半分である、請求項1記載の固体X線検出器(10,10’)。
- 前記列の端にある検出領域(15)の面積が、前記列の端にない検出領域(15)の面積よりも小さく、また、複数のモノリシック検出器素子(12)は端と端とをつなげて配列して、これらの検出器素子(12)の中心間隔を変えること無く検出領域(15)の列を延長させることができる、請求項1記載の固体X線検出器(10,10’)。
- 更に、各々の前記陽極(24)から独立の電流を読み取る読出し回路(40)を含んでいる請求項1記載の固体X線検出器(10,10’)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/838,892 US7196332B2 (en) | 2004-05-04 | 2004-05-04 | Monolithic x-ray detector with staggered detection areas |
US10/838,892 | 2004-05-04 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2005322908A JP2005322908A (ja) | 2005-11-17 |
JP2005322908A5 JP2005322908A5 (ja) | 2008-06-19 |
JP5095921B2 true JP5095921B2 (ja) | 2012-12-12 |
Family
ID=35220139
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005131323A Expired - Fee Related JP5095921B2 (ja) | 2004-05-04 | 2005-04-28 | 食違い配置の検出区域を有するモノリシックx線検出器 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7196332B2 (ja) |
JP (1) | JP5095921B2 (ja) |
DE (1) | DE102005019975A1 (ja) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7551712B2 (en) * | 2006-04-20 | 2009-06-23 | General Electric Company | CT detector with non-rectangular cells |
US7638776B2 (en) * | 2006-08-21 | 2009-12-29 | Endicott Interconnect Technologies, Inc. | Staggered array imaging system using pixilated radiation detectors |
JP4344761B2 (ja) * | 2007-06-15 | 2009-10-14 | シャープ株式会社 | 固体撮像装置およびそれを備えた電子機器 |
JP4344760B2 (ja) * | 2007-06-15 | 2009-10-14 | シャープ株式会社 | 固体撮像装置およびそれを備えた電子機器 |
US8373134B2 (en) * | 2007-12-28 | 2013-02-12 | Koninklijke Philips Electronics N.V. | Electrical isolation of X-ray semiconductor imager pixels |
US9202961B2 (en) | 2009-02-02 | 2015-12-01 | Redlen Technologies | Imaging devices with solid-state radiation detector with improved sensitivity |
US8614423B2 (en) * | 2009-02-02 | 2013-12-24 | Redlen Technologies, Inc. | Solid-state radiation detector with improved sensitivity |
US8300911B1 (en) | 2009-09-10 | 2012-10-30 | General Electric Company | Methods and apparatus for measuring visceral fat mass |
US8165266B2 (en) * | 2009-09-10 | 2012-04-24 | General Electric Company | Transverse scanning bone densitometer and detector used in same |
US8295570B2 (en) * | 2009-09-10 | 2012-10-23 | General Electric Company | Methods and apparatus for measuring body circumference |
US8280138B2 (en) * | 2009-09-10 | 2012-10-02 | General Electric Company | System and method for performing bone densitometer measurements |
US20110060247A1 (en) * | 2009-09-10 | 2011-03-10 | General Electric Company | Methods and apparatus for measuring bone lengths |
US8884228B2 (en) | 2012-01-27 | 2014-11-11 | Savannah River Nuclear Solutions, Llc | Modification of solid state CdZnTe (CZT) radiation detectors with high sensitivity or high resolution operation |
US9508618B2 (en) * | 2014-04-11 | 2016-11-29 | Globalfoundries Inc. | Staggered electrical frame structures for frame area reduction |
WO2016087423A1 (en) * | 2014-12-05 | 2016-06-09 | Koninklijke Philips N.V. | X-ray detector device for inclined angle x-ray radiation |
PL3250909T3 (pl) * | 2015-01-26 | 2021-06-14 | Illinois Tool Works Inc. | Rozdzielczość przerwy dla liniowego układu detektora |
ITUA20163149A1 (it) * | 2016-05-04 | 2017-11-04 | Xnext S R L | Rivelatore, apparecchiatura e metodo per l’esecuzione di un controllo radiografico non invasivo di oggetti |
CN106324649B (zh) * | 2016-08-31 | 2023-09-15 | 同方威视技术股份有限公司 | 半导体探测器 |
SE543756C2 (en) | 2020-06-26 | 2021-07-13 | Direct Conv Ab | Sensor unit, radiation detector, method of manufacturing sensor unit, and method of using sensor unit |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57141178A (en) * | 1981-02-26 | 1982-09-01 | Toshiba Corp | Solid-state image pickup device |
JPH0797140B2 (ja) * | 1987-10-28 | 1995-10-18 | 富士電機株式会社 | 半導体回折x線検出素子 |
US5021663B1 (en) * | 1988-08-12 | 1997-07-01 | Texas Instruments Inc | Infrared detector |
JPH02305063A (ja) * | 1989-05-18 | 1990-12-18 | Matsushita Electric Ind Co Ltd | イメージセンサ |
US5841833A (en) | 1991-02-13 | 1998-11-24 | Lunar Corporation | Dual-energy x-ray detector providing spatial and temporal interpolation |
US5841832A (en) | 1991-02-13 | 1998-11-24 | Lunar Corporation | Dual-energy x-ray detector providing spatial and temporal interpolation |
US5436458A (en) * | 1993-12-06 | 1995-07-25 | Minnesota Mining And Manufacturing Company | Solid state radiation detection panel having tiled photosensitive detectors arranged to minimize edge effects between tiles |
JP3776485B2 (ja) * | 1995-09-18 | 2006-05-17 | 東芝医用システムエンジニアリング株式会社 | X線診断装置 |
US5677539A (en) * | 1995-10-13 | 1997-10-14 | Digirad | Semiconductor radiation detector with enhanced charge collection |
US6037595A (en) | 1995-10-13 | 2000-03-14 | Digirad Corporation | Radiation detector with shielding electrode |
US6410922B1 (en) * | 1995-11-29 | 2002-06-25 | Konstantinos Evangelos Spartiotis | Forming contacts on semiconductor substrates for radiation detectors and imaging devices |
US5889313A (en) * | 1996-02-08 | 1999-03-30 | University Of Hawaii | Three-dimensional architecture for solid state radiation detectors |
JP2002158343A (ja) * | 2000-11-21 | 2002-05-31 | Canon Inc | 放射線検出装置及びその製造方法 |
-
2004
- 2004-05-04 US US10/838,892 patent/US7196332B2/en active Active
-
2005
- 2005-04-27 DE DE102005019975A patent/DE102005019975A1/de not_active Ceased
- 2005-04-28 JP JP2005131323A patent/JP5095921B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE102005019975A1 (de) | 2005-11-24 |
US7196332B2 (en) | 2007-03-27 |
JP2005322908A (ja) | 2005-11-17 |
US20050247882A1 (en) | 2005-11-10 |
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