Development of an axial-gap spindle motor for computer hard disk drives using PCB winding and dual air gaps

G. H. Jang, J. H. Chang

Research output: Contribution to journalConference article

28 Scopus citations

Abstract

This paper introduces the design and development of an axial-gap spindle motor using printed circuit board (PCB) winding and dual air gaps, which has the mechanical rigidity, high efficiency, and zero cogging torque required in a computer hard disk drive. Superior characteristics of the developed motor are experimentally compared with the conventional radial-gap spindle motor. It shows that the developed motor can be effectively used for various applications of a small precision motor with its manufacturing flexibility.

Original languageEnglish
Pages (from-to)3297-3299
Number of pages3
JournalIEEE Transactions on Magnetics
Volume38
Issue number5 I
DOIs
StatePublished - 2002 Sep 1
Event2002 International Magnetics Conference (Intermag 2002) - Amsterdam, Netherlands
Duration: 2002 Apr 282002 May 2

Keywords

  • Axial-gap spindle motor
  • Computer hard disk drive
  • Dual air gaps
  • High efficiency
  • Printed circuit board winding

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