Stacked coil device and fabrication method thereof

Details Stacked coil device and fabrication method thereof Stacked coil device and fabrication method thereof

2005-07-12

2005-07-12

Donovan, Lincoln (Department: 2832)

Inductor devices

Coil or coil turn supports or spacers

Printed circuit-type coil

C336S223000, C336S232000, C029S602100

Reexamination Certificate

active

06917274

ABSTRACT:
A stacked coil device comprising: an inner electrode layer formed of at least two parts and having a non-magnetic electrode region and an inner magnetic region formed as one layer, the non-magnetic electrode region being provided with an opening at a center thereof and provided with an electrode pattern on at least one surface of an upper surface and a lower surface thereof and the inner magnetic region positioned at the center opening and a lateral surface of the non-magnetic electrode region; a cover layer in contact with both surfaces of the inner electrode layer; and an external electrode terminal electrically connected to the electrode pattern.

REFERENCES:
patent: 6293001 (2001-09-01), Uriu et al.
patent: 6362947 (2002-03-01), Chazono
patent: 6388551 (2002-05-01), Morikawa
patent: 6710694 (2004-03-01), Matsuta et al.
patent: 7-201569 (1995-08-01), None
patent: 8-37108 (1996-02-01), None
patent: 09-260145 (1997-03-01), None
patent: 2001-76930 (2001-03-01), None

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