BR112015012775A2 - unidade de detector de raios x de contagem de fótons; detector de raios x de contagem de fótons; e método de detecção de raios x de contagem de fótons - Google Patents

unidade de detector de raios x de contagem de fótons; detector de raios x de contagem de fótons; e método de detecção de raios x de contagem de fótons

Info

Publication number
BR112015012775A2
BR112015012775A2 BR112015012775A BR112015012775A BR112015012775A2 BR 112015012775 A2 BR112015012775 A2 BR 112015012775A2 BR 112015012775 A BR112015012775 A BR 112015012775A BR 112015012775 A BR112015012775 A BR 112015012775A BR 112015012775 A2 BR112015012775 A2 BR 112015012775A2
Authority
BR
Brazil
Prior art keywords
photon counting
ray
ray detector
detection method
semiconductor element
Prior art date
Application number
BR112015012775A
Other languages
English (en)
Inventor
Johannes Maria Nellissen Antonius
Verbakel Frank
Karl Wieczorek Herfried
Hendrik Klootwijk Johan
Original Assignee
Koninklijke Philips Nv
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips Nv filed Critical Koninklijke Philips Nv
Publication of BR112015012775A2 publication Critical patent/BR112015012775A2/pt

Links

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
    • G01T1/16—Measuring radiation intensity
    • G01T1/24—Measuring radiation intensity with semiconductor detectors
    • G01T1/241—Electrode arrangements, e.g. continuous or parallel strips or the like
    • 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
    • G01T1/18—Measuring radiation intensity with counting-tube arrangements, e.g. with Geiger counters
    • 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
    • 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
    • G01T1/247—Detector read-out circuitry
    • 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

Landscapes

  • 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)
  • Apparatus For Radiation Diagnosis (AREA)

Abstract

resumo unidade de detector de raios x de contagem de fótons; detector de raios x de contagem de fótons; e método de detecção de raios x de contagem de fótons a presente invenção refere-se a um detector de raios x de contagem de fótons e a um método de detecção que efetivamente suprime a polarização mesmo sob condições de alto fluxo. o detector proposto compreende um elemento semicondutor de contagem de fótons (10) para gerar pares de elétron-buraco em resposta a fótons de raios x incidentes, um eletrodo catódico (11a, 11b; 21a, 21b; 31a, 31b, 31c, 31ac, 31d; 41a, 41b; 51a, 51b) disposto em um primeiro lado (10a) do dito elemento semicondutor (10) voltado para a radiação de raios x incitada, sendo que o dito eletrodo catódico compreende dois elementos catódicos interpenetrados (11a, 11b; 21a, 21b; 31a, 31b, 31c, 31ac, 31d; 41a, 41b; 51a, 51b), um eletrodo anódico pixelado (12) disposto em um segundo lado (10b) do dito elemento semicondutor (10) oposto ao dito primeiro lado (10a), uma fonte de energia (13) para aplicar uma tensão de polarização entre o dito eletrodo catódico e o dito eletrodo anódico e para aplicar temporariamente uma tensão de injeção entre os ditos elementos catódicos (11a, 11b; 21a, 21b; 31a, 31b, 31c, 31ac, 31d; 41a, 41b; 51a, 51b), e uma unidade de leitura (14) para ler sinais elétricos a partir do dito eletrodo anódico pixelado (12). 1/1
BR112015012775A 2012-12-04 2013-11-20 unidade de detector de raios x de contagem de fótons; detector de raios x de contagem de fótons; e método de detecção de raios x de contagem de fótons BR112015012775A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261733006P 2012-12-04 2012-12-04
PCT/IB2013/060267 WO2014087290A1 (en) 2012-12-04 2013-11-20 Photon counting x-ray detector

Publications (1)

Publication Number Publication Date
BR112015012775A2 true BR112015012775A2 (pt) 2017-07-11

Family

ID=49989864

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112015012775A BR112015012775A2 (pt) 2012-12-04 2013-11-20 unidade de detector de raios x de contagem de fótons; detector de raios x de contagem de fótons; e método de detecção de raios x de contagem de fótons

Country Status (7)

Country Link
US (1) US10422892B2 (pt)
EP (1) EP2929373B1 (pt)
JP (1) JP6349325B2 (pt)
CN (1) CN104838289B (pt)
BR (1) BR112015012775A2 (pt)
RU (1) RU2015126867A (pt)
WO (1) WO2014087290A1 (pt)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016091981A1 (en) 2014-12-11 2016-06-16 Koninklijke Philips N.V. X-ray detector, imaging apparatus and calibration method
US10054692B2 (en) 2014-12-17 2018-08-21 Koninklijke Philips N.V. Detector and method for detecting ionizing radiation
EP3232229A1 (en) * 2016-04-13 2017-10-18 Nokia Technologies Oy Apparatus for sensing radiation
CN105866822B (zh) * 2016-04-14 2019-02-05 西北核技术研究所 一种基于半导体激光器的x射线辐射场探测装置及方法
DE102017204027A1 (de) 2017-03-10 2018-09-13 Siemens Healthcare Gmbh Röntgendetektor mit Spannungsquellenvorrichtung zum Erzeugen einer gepulsten Potentialdifferenz
JP7064485B2 (ja) * 2017-05-12 2022-05-10 株式会社東芝 フォトンカウンティング型放射線検出器およびそれを用いた放射線検査装置
EP3704515B1 (en) 2017-10-30 2022-04-06 Shenzhen Xpectvision Technology Co., Ltd. Radiation detector with dc-to-dc converter based on mems switches
CN109407141A (zh) * 2018-10-18 2019-03-01 京东方科技集团股份有限公司 Msm型x射线探测器、电子设备
CN116755132A (zh) * 2023-06-26 2023-09-15 中广核工程有限公司 一种双能x射线探测器结构及探测方法

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US539A (en) 1837-12-26 Standard measurer for taking measure for coats
US5821A (en) 1848-10-03 Cream-freezer
US3824680A (en) * 1968-03-28 1974-07-23 Levina Fizichesky I I Lebedeva Nuclear radiation detector and method of manufacturing same
DE3415439A1 (de) * 1984-04-25 1985-10-31 Josef Dipl.-Phys. Dr. 8048 Haimhausen Kemmer Halbleiterdetektor mit niedriger kapazitaet
US5117114A (en) * 1989-12-11 1992-05-26 The Regents Of The University Of California High resolution amorphous silicon radiation detectors
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US5391882A (en) * 1993-06-11 1995-02-21 Santa Barbara Research Center Semiconductor gamma ray detector including compositionally graded, leakage current blocking potential barrier layers and method of fabricating the detector
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JP3520613B2 (ja) 1995-07-26 2004-04-19 株式会社島津製作所 放射線検出器の駆動方法
DE19616545B4 (de) * 1996-04-25 2006-05-11 Siemens Ag Schneller Strahlungsdetektor
US6218668B1 (en) * 1997-07-08 2001-04-17 The Regents Of The University Of California Coplanar interdigitated grid detector with single electrode readout
EP1779141A2 (en) * 2004-08-13 2007-05-02 Koninklijke Philips Electronics N.V. Solid state radiation detector packaging technique
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DE102011003246B4 (de) 2011-01-27 2013-02-14 Siemens Aktiengesellschaft Verfahren zum Detektieren von Strahlung und zugehörige Sensoreinheit

Also Published As

Publication number Publication date
WO2014087290A1 (en) 2014-06-12
EP2929373B1 (en) 2019-04-03
CN104838289B (zh) 2019-10-18
US20150301199A1 (en) 2015-10-22
EP2929373A1 (en) 2015-10-14
CN104838289A (zh) 2015-08-12
JP6349325B2 (ja) 2018-06-27
RU2015126867A (ru) 2017-01-11
US10422892B2 (en) 2019-09-24
JP2016505827A (ja) 2016-02-25

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Legal Events

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B08F Application fees: dismissal - article 86 of industrial property law

Free format text: REFERENTE A 5A ANUIDADE.

B08K Lapse as no evidence of payment of the annual fee has been furnished to inpi (acc. art. 87)

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2494 DE 23-10-2018 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.