Coil component

Details Coil component Coil component

2007-10-15

2008-08-05

Mai, Anh T (Department: 2832)

Inductor devices

Coil or coil turn supports or spacers

Printed circuit-type coil

C336S223000, C336S232000

Reexamination Certificate

active

07408435

ABSTRACT:
The invention relates to surface-mount type coil components having a mounting surface for mounting them on a printed circuit board or hybrid IC (HIC) and provides a low-cost coil component having a low direct-current resistance. A common mode filter includes a bridge conductor layer which has a bridge conductor one end of which is connected to one end of a lead wire and another end of which is connected to an inner circumferential end of a coil conductor and another bridge conductor one end of which is connected to one end of another lead wire and another end of which is connected to an inner circumferential end of another coil conductor, the bridge conductor layer being formed between two coil conductor layers with an insulation film interposed between the bridge conductor layer and each of the coil conductor layers.

REFERENCES:
patent: 5250923 (1993-10-01), Ushiro et al.
patent: 6181232 (2001-01-01), Kitamura
patent: 6710694 (2004-03-01), Matsuta et al.
patent: 6768410 (2004-07-01), Yazaki et al.
patent: 6903643 (2005-06-01), Lee et al.
patent: 7064629 (2006-06-01), Shoji
patent: 2005/0181684 (2005-08-01), Ito et al.
patent: 2005/0253677 (2005-11-01), Ito et al.
patent: A 08-203737 (1996-08-01), None
patent: B2 3601619 (2004-10-01), None
patent: A 2005-159223 (2005-06-01), None

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