Resin-bonded permanent magnetic films with out-of-plane magnetization for MEMS applications

Yu I. Rozenberg, Yuri Rosenberg*, V. Krylov, G. Belitsky, Yosi Shacham-Diamand

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

Resin-bonded permanent magnets with out-of-plain direction of magnetization and improved magnetic properties for magnetic MEMS actuator have been created. The material investigated consists of magnetically anisotropic strontium ferrite particles embedded into epoxy resin matrix upto a volume loading of 80%. Intrinsic coercivity Hci of 6000 Oe (480 kA/m), residual magnetic flux density Br up to 4000 G (0.4 T) and maximum energy product (BH)max of 3.0 MG Oe (23.6 kJ/m3) have been attained due to magnetic-field-induced alignment of the ferrite particles during curing process.

Original languageEnglish
Pages (from-to)357-360
Number of pages4
JournalJournal of Magnetism and Magnetic Materials
Volume305
Issue number2
DOIs
StatePublished - Oct 2006

Keywords

  • Microelectromechanical systems
  • Resin-bonded permanent magnetic films

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