Coil component and power-supply device provided therewith

Details Coil component and power-supply device provided therewith Coil component and power-supply device provided therewith

2010-01-15

2011-11-15

Mai, Anh (Department: 2832)

Inductor devices

Windings

Having conductor of particular shape

C336S083000, C336S178000, C336S212000, C336S233000

Reexamination Certificate

active

08058963

ABSTRACT:
The coil component includes a magnetic core130and conductors210and220. The magnetic core130includes through-holes that are made by grooves111and112. The conductors210and220are provided in the grooves111and112, respectively. The magnetic core130includes a nonmagnetic portion in which the grooves111and112are communicated, and a distance between the conductors210and220through the nonmagnetic portion is shorter than a distance between the conductors210and220in surfaces110cand110din which the conductors210and220are exposed. Therefore, necessity to provide a large cavity in the magnetic core is eliminated, and a risk of the short circuit between terminal electrodes exposed in the surfaces110cand110dis also eliminated.

REFERENCES:
patent: 7352269 (2008-04-01), Li et al.
patent: 2008/0303624 (2008-12-01), Yamada et al.
patent: 2007-184509 (2007-07-01), None
English translation of JP2007-184509.

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