Field Annealed Closed-path Fluxgate Sensors Made of Metallic-glass Ribbons
- Butvin P.B.
- Janošek M.
- Ripka P.
- Butvinová B.B.
- Švec sr. P.Š.
- Kuzminski M.K.
- Švec Jr. P.Š.
- Janičkovič D.J.
- Vlasák G.V.
DOIAbstract
One-step field annealing of Co-based metallic glass was chosen to acquire low-magnetostrictive material with anisotropy required to reduce noise by favoring magnetization rotation. Despite the risk of bending stress aggravated by small -12 mm diameter, the ring cores reproducibly achieved noise 7 pT/√Hz @ 1 Hz
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