Multilayer inductor

Details Multilayer inductor Multilayer inductor

2006-12-04

2008-11-04

Mai, Anh T (Department: 2832)

Inductor devices

Coil or coil turn supports or spacers

Printed circuit-type coil

C336S223000, C336S232000

Reexamination Certificate

active

07446638

ABSTRACT:
A multilayer inductor includes a plurality of conductor layers for a coil, a plurality of magnetic substance layers, the magnetic substance layers and the conductor layers laminated alternately, and at least a magnetic flux restrictor layer disposed to block magnetic flux passing through the inner region of the coil. The magnetic flux restrictor layer is thinner at the center part of the coil than it is in a region near one of the conductor layers.

REFERENCES:
patent: 6459351 (2002-10-01), Maki et al.
patent: 6515568 (2003-02-01), Maki et al.
patent: 7304557 (2007-12-01), Tsuzuki et al.
patent: 2004/0108934 (2004-06-01), Choi et al.
patent: 56-155516 (1981-12-01), None
patent: 2006339532 (2006-12-01), None

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