SQUID magnetometers for low-frequency applications

Springer Science and Business Media LLC - Tập 76 Số 5-6 - Trang 287-386 - 1989
Tapani Ryhänen1, Heikki Seppä1, Risto J. Ilmoniemi2, Jukka Knuutila2
1Metrology Research Institute, Helsinki University of Technology and Technical Research Centre of Finland, Espoo, Finland
2Low Temperature Laboratory, Helsinki University of Technology, Espoo, Finland

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