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Abstract #2685

A scalable, MR compatible temperature measurement and control system

David Otto Brunner1, Jonas Reber2, Simon Gross2, and Klaas Paul Pruessmann2

1Institute for Biomedical Engineering, University and ETH Zurich, Zurich, Switzerland, 2University and ETH Zurich, Zurich, Switzerland

Tight temperature control of various devices is required to guarantee highly stable experimental conditions. E.g. B0 field shifts induced by heating of shim irons or gain changes induced in preamplifiers can be avoided by oven controlling the critical components of the device. Furthermore, a recently presented approach of active shimming with controlled magnetic materials requires tight temperature control of a large count of devices in parallel in the bore. For such applications, we present a 14 channel, low power, MR compatible temperature measurement and control system which can be parallelized for a scalable channel count.

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