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GAMMA RAY DETECTOR AND METHOD OF RECONSTRUCTING GAMMA RAY

外国特許コード F090002139
整理番号 F090002139
掲載日 2009年12月11日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2007JP059973
国際公開番号 WO 2008/139625
国際出願日 平成19年5月15日(2007.5.15)
国際公開日 平成20年11月20日(2008.11.20)
発明の名称 (英語) GAMMA RAY DETECTOR AND METHOD OF RECONSTRUCTING GAMMA RAY
発明の概要(英語) [PROBLEMS] To provide a gamma ray detector and a method of reconstructing a gamma ray which can be used for SPECT and PET and can be remarkably enhanced in detection sensitivity with respect to gamma rays by combining and reconstructing the information on Compton-scattered gamma rays and can reduce the exposure of a subject to radioactive materials, remarkably reducing the possibilities that the subject becomes a radioactive victim. [MEANS FOR SOLVING PROBLEMS] The gamma ray detector comprises a scintillator (12) for absorption formed of an absorptive substance having a high rate of absorption with respect to gamma rays (1) in an energy region emitted from the subject, a scintillator (14) for Compton scattering which is formed of a Compton scattering substance having a high probability of Compton scattering gamma rays, and an energy detector (16) which combines gamma ray energy absorptions simultaneously measured by the two types of scintillators and reconstructs the gamma rays emitted from the subject. The two types of scintillators (12) and (14) are arranged in multiple layers so as to absorb or Compton-scatter the whole energy of the gamma rays (1).
  • 出願人(英語)
  • ※2012年7月以前掲載分については米国以外のすべての指定国
  • National Institute Of Radiological Sciences
  • 発明者(英語)
  • Nakamura, Hidehito
国際特許分類(IPC)
指定国 AE AG AL AM AT AU AZ BA BB BE BF BG BH BJ BR BW BY BZ CA CF CG CH CI CM CN CO CR CU CY CZ DE DK DM DZ EC EE EG ES FI FR GA GB GD GE GH GM GN GQ GR GT GW HN HR HU ID IE IL IN IS IT JP KE KG KM KN KP KR KZ LA LC LK LR LS LT LU LV LY MA MC MD MG MK ML MN MR MT MW MX MY MZ NA NE NG NI NL NO NZ OM PG PH PL PT RO RS RU SC SD SE SG SI SK SL SM SN SV SY SZ TD TG TJ TM TN TR TT TZ UA UG US UZ VC VN ZA ZM ZW
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