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Setup for residual magnetic field measurements in cryostats
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, FREIA.
2018 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

This thesis covers considerations regarding commercially availble magnetic field sensors and the design work and assembly of a 3-axis magnetic field sensor of Hall technology that is tested for use in a cryostat at the FREIA laboratory, Uppsala university. The assembled sensor needs to withstand cryogenic temperatures and a high vacuum environment. A design for a mechanical structure that will be able to move a matrix of multiple sensors inside the cryostat is also covered. A short section discusses magnetoresistance magnetic field sensors for these purposes. The assembled sensor withstood a cryogenic test and a vacuum test separately, but it did start to show an odd behavior in a specific temperature range towards the last cycles of the cryogenic test. The printed ciruit board didn't show any damage on the board or the solder joints after operation in the vacuum environment.

Place, publisher, year, edition, pages
2018. , p. 53
Series
UPTEC F, ISSN 1401-5757 ; 18044
Keywords [en]
Cryostat, hall probe, magnetometer, pcb
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:uu:diva-355155OAI: oai:DiVA.org:uu-355155DiVA, id: diva2:1225362
Educational program
Master Programme in Engineering Physics
Supervisors
Examiners
Available from: 2018-07-03 Created: 2018-06-26 Last updated: 2018-07-03Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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  • Other style
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  • de-DE
  • en-GB
  • en-US
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  • nn-NO
  • nn-NB
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Output format
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