A novel miniature planar inductor

A novel miniature planar inductor

The conventional inductor consists of cores and wound wires, which are obstacles for the integration with other devices. The planar inductor, which has planar coils and magnetic layers in place of cores and wires, is fabricated on a substrate. Therefore it can be integrated with other devices, and i...

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Veröffentlicht in:IEEE transactions on magnetics 1987-09, Vol.23 (5), p.3759-3761
Hauptverfasser: Oshiro, O., Tsujimoto, H., Shirae, K.
Format: Artikel
Sprache:eng
Schlagworte:
Capacitance
Coils
Inductance
Insulation
Magnetic cores
Magnetic devices
Permeability
Spirals
Thin film inductors
Wires
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Beschreibung
Zusammenfassung:The conventional inductor consists of cores and wound wires, which are obstacles for the integration with other devices. The planar inductor, which has planar coils and magnetic layers in place of cores and wires, is fabricated on a substrate. Therefore it can be integrated with other devices, and it will be a fundamental element for the future magnetic IC. In this paper two kinds of planar inductors are described. One is the outer type, which has the larger inductance than any other planar inductor. The other is the inner type, which has the possibility for a variable inductor.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.1987.1065746