Heat it up: thermal stabilization by active heating to reduce impedance drifts in capacitive matched networks

Enthalten in
International journal on magnetic particle imaging 
Volume
8
Issue
1, Suppl 1
Article Number
2203014
Citation
International Journal on Magnetic Particle Imaging 8 (1, Suppl. 1): 2203014 (2022)
Publisher DOI
10.18416/IJMPI.2022.2203014
Scopus ID
2-s2.0-85132037943
Publisher
Infinite Science Publishing
The achievable sensitivity inMagnetic Particle Imaging is not only limited by noise, but also depends on the stability of the system. Thermal dependencies of the current carrying components lead to drive-field distortions in amplitude and phase, causing drifting background signals. In this work, an active capacitor heating system is developed that allows for thermal stabilization and trimming a resonance circuit to the desired frequency.
DDC Class
004: Informatik
610: Medizin
More Funding Information
Research funding: The authors thankfully acknowledge the financial support by the German Research Foundation (DFG, grant number KN 1108/7-1 and GR 5287/2-1). The Fraunhofer IMTE is supported by the EU (EFRE) and the State Schleswig-Holstein, Germany (Project: IMTE –
Grant: 124 20 002 / LPW-E1.1.1/1536.