Development of a prototype semiconductor gamma-camera system

Koichi Ogawa, Takumi Ishikawa, Keisei Shuto, Hiroaki Kobayashi, Tadaki Nakahara, Naoyuki Shigematsu

研究成果: Conference contribution

2 被引用数 (Scopus)

抄録

We made a prototype gamma camera system with CdZnTe semiconductor detectors that work at room temperature. The effective field of view of this detector is 195 x 156 mm2 with a pixel size of 2.46 x 2.46 mm2. We evaluated the performance of the detector in terms of the energy resolution, intrinsic spatial resolution, system spatial resolution and system sensitivity. The performance of the detector was evaluated with methods based on the NEMA standard (NU1). The results showed that the mean energy resolution was 5.55 % FWHM for 99mTc, the intrinsic spatial resolution 2.46 mm FWHM, the system spatial resolutions 7.1 mm FWHM (without scatterer) and 7.4 mm FWHM (with scatterer), and the system sensitivity 46.3 cps/MBq. The performance of the system was also evaluated with some SPECT phantoms and the feasibility of the detector was confirmed with the SPECT images.

本文言語English
ホスト出版物のタイトル2009 IEEE Nuclear Science Symposium Conference Record, NSS/MIC 2009
ページ3597-3601
ページ数5
DOI
出版ステータスPublished - 2009 12 1
イベント2009 IEEE Nuclear Science Symposium Conference Record, NSS/MIC 2009 - Orlando, FL, United States
継続期間: 2009 10 252009 10 31

出版物シリーズ

名前IEEE Nuclear Science Symposium Conference Record
ISSN(印刷版)1095-7863

Other

Other2009 IEEE Nuclear Science Symposium Conference Record, NSS/MIC 2009
CountryUnited States
CityOrlando, FL
Period09/10/2509/10/31

ASJC Scopus subject areas

  • Radiation
  • Nuclear and High Energy Physics
  • Radiology Nuclear Medicine and imaging

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