Miniaturization limit of a cloth inductor

Hidetoshi Matsuki, H. Miyazawa, K. Murakami, T. Yamamoto

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

A cloth-structured magnetic device was designed, and the optimized relation between amorphous fiber and conductive fiber size was shown. The inductance, equivalent resistance, and quality factor of cloth-structured magnetic devices were calculated. Furthermore, the stray capacitance of the device was estimated from the analysis of an equivalent circuit. A cloth inductor of only 0.7 mm thickness could be made, which could have an inductance of 100 μH, a rating current of 100 mA, and a quality factor over 60. Regarding the further miniaturization of the device, the magnetic flux distribution established inside the cloth inductor was measured. The miniaturization limit was estimated, which was influenced by the magnetic permeability and the aspect ratio of the fibers.

Original languageEnglish
Pages (from-to)3394-3396
Number of pages3
JournalJournal of Applied Physics
Volume63
Issue number8
DOIs
Publication statusPublished - 1988 Dec 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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