대한의용생체공학회:학술대회논문집 (Proceedings of the KOSOMBE Conference)

대한의용생체공학회 (The Korean Society of Medical and Biological Engineering)
권호 표지

40채널 SQUID 시스템의 설계

Design of a 40 channel SQUID system

  • 이용호 (한국표준과학연구원 초전도그룹) ;
  • 김진목 (한국표준과학연구원 초전도그룹) ;
  • 권혁찬 (한국표준과학연구원 초전도그룹) ;
  • 임청무 (한국표준과학연구원 초전도그룹) ;
  • 이상길 (한국표준과학연구원 초전도그룹) ;
  • 박용기 (한국표준과학연구원 초전도그룹) ;
  • 박종철 (한국표준과학연구원 초전도그룹) ;
  • 이동훈 (광운대학교 전기공학과) ;
  • 신진교 (광운대학교 전기공학과) ;
  • 안창범 (광운대학교 전기공학과) ;
  • 박민석 (서울대학교 물리교육과) ;
  • 허용 (서울대학교 물리교육과) ;
  • 흥종배 (서울대학교 물리교육과)
  • Lee, Y.H. (Superconductivity Group, Korea Research Institute of Standards and Science) ;
  • Kim, J.M. (Superconductivity Group, Korea Research Institute of Standards and Science) ;
  • Kwon, H.C. (Superconductivity Group, Korea Research Institute of Standards and Science) ;
  • Lim, C.M. (Superconductivity Group, Korea Research Institute of Standards and Science) ;
  • Lee, S.K. (Superconductivity Group, Korea Research Institute of Standards and Science) ;
  • Park, Y.K. (Superconductivity Group, Korea Research Institute of Standards and Science) ;
  • Park, J.C. (Superconductivity Group, Korea Research Institute of Standards and Science) ;
  • Lee, D.H. (Dept. of Electrical Engineering, Kwangwoon University) ;
  • Shin, J.K. (Dept. of Electrical Engineering, Kwangwoon University) ;
  • Ahn, C.B. (Dept. of Electrical Engineering, Kwangwoon University) ;
  • Park, M.S. (Dept. of Physics Education, Seoul National University) ;
  • Hur, Y. (Dept. of Physics Education, Seoul National University) ;
  • Hong, J.B. (Dept. of Physics Education, Seoul National University)
  • 발행 : 1998.11.20
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초록

We report on the design of a low-noise 40 channel SQUID system for biomagnetism. We used low-noise SQUID sensor with the pickup coil integrated on the same wafer as the SQUID. The SQUID electronics were simplified by increasing the voltage output of the SQUID. The SQUID insert was designed to have low thermal load, minimizing the liquid helium loss. The digital signal processing provides versatile analysis tools and the software is based on the object-oriented programming. For the effective localization of the source location, solutions of the inverse problems based on the lead-field and the simulated anneal ins were studied.

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