Constructing single- and multiple-helical microcoils and characterizing their performance as components of microinductors and microelectromagnets

John A. Rogers*, Rebecca J. Jackman, George M. Whitesides

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

70 Scopus citations

Abstract

This paper describes a means for producing single-and multiple-helical microcoils by using microcontact printing to print lines on cylinders. This method was used to fabricate coils made of wires with widths and spaces between 150-25 μm wrapped around cylinders with diameters between 100-400 μm. Results show that microelectromagnets using these microcoils produce magnetic flux densities in excess of 0.4 T and can be switched on and off on a submillisecond time scale.

Original languageEnglish (US)
Pages (from-to)184-191
Number of pages8
JournalJournal of Microelectromechanical Systems
Volume6
Issue number3
DOIs
StatePublished - Sep 1997

Keywords

  • Coils
  • Electromagnets
  • Fabrication
  • Ferromagnetic materials/devices
  • Inductors
  • Microelectromechanical devices

ASJC Scopus subject areas

  • Mechanical Engineering
  • Electrical and Electronic Engineering

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