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Development of novel X-ray imaging device without radiation damage

Research Project

Project/Area Number 16H06727
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeSingle-year Grants
Research Field Nuclear engineering
Research InstitutionThe University of Tokyo

Principal Investigator

Mitsuya Yuki  東京大学, 大学院工学系研究科(工学部), 助教 (70784825)

Project Period (FY) 2016-08-26 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2017: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2016: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
KeywordsX線 / 検出器 / GEM / 中性子 / イメージング / 放射線イメージング / 放射線検出器 / フラットパネル / 放射線計測 / Glass GEM / 気体放射線検出器
Outline of Final Research Achievements

In this research, to achieve a new flat-panel type radiation detector, a new radiation imaging detector based on gaseous radiation detector (glass gas electron multiplier, G-GEM) was proposed and demonstrated. To increase the detection efficiency to hard X-rays, the idea of introducing a solid state converter (tungsten mesh type) was proposed. The converter was designed with monte-carlo simulation. The result showed the converter will increase the detection efficiency of detector compared with the detector without converter. The converter was demonstrated by experiment. In this research, a new imaging signal processing and data acquisition system dedicated for G-GEM was also developed. The system was based on a new analog-to-digital conversion technique called dynamic ToT (dToT). In spite of its reduced number of circuit components, the large-area of 10 cm square was successfully imaged with X-ray.

Report

(3 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Annual Research Report
  • Research Products

    (6 results)

All 2017 Other

All Int'l Joint Research (2 results) Journal Article (1 results) (of which Peer Reviewed: 1 results) Presentation (3 results) (of which Int'l Joint Research: 3 results)

  • [Int'l Joint Research] 欧州原子核研究機構 RD-51(スイス)

    • Related Report
      2016 Annual Research Report
  • [Int'l Joint Research] Santiago de Compostela University(スペイン)

    • Related Report
      2016 Annual Research Report
  • [Journal Article] Gaseous flat-panel detector with glass gas electron multiplier coupled with micro-photodiode array2017

    • Author(s)
      Yuki Mitsuya, Hiroaki Miyoshi, Takeshi Fujiwara, Mitsuru Uesaka, Hiroyuki Takahashi
    • Journal Title

      Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

      Volume: 873 Pages: 56-58

    • DOI

      10.1016/j.nima.2017.05.040

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Presentation] Imaging with glass GEM and dynamic time-over-threshold pulse processing method2017

    • Author(s)
      Yuki Mitsuya, Takeshi Fujiwara, Hiroyuki Takahashi, Mitsuru Uesaka
    • Organizer
      MPGD2017
    • Place of Presentation
      アメリカ合衆国, ペンシルベニア州, フィラデルフィア, テンプル大学
    • Year and Date
      2017-05-22
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Imaging with glass GEM and dynamic time-over-threshold pulse processing method2017

    • Author(s)
      Yuki Mitsuya, Takeshi Fujiwara, Mitsuru Uesaka, Hiroyuki Takahashi
    • Organizer
      MPGD2017 & RD-51
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] X-ray imaging with a gaseous flat-panel detector combining a glass gas electron multiplier with a micro-photodiode array2017

    • Author(s)
      Yuki Mitsuya, Takeshi Fujiwara, Hiroaki Miyoshi, Mitsuru Uesaka, Hiroyuki Takahashi
    • Organizer
      IEEE NSS & MIC
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research

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Published: 2016-09-02   Modified: 2019-03-29  

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