Inductor devices – Coil or coil turn supports or spacers – Printed circuit-type coil
Reexamination Certificate
2007-10-16
2007-10-16
Mai, Anh (Department: 2832)
Inductor devices
Coil or coil turn supports or spacers
Printed circuit-type coil
C336S223000, C336S232000
Reexamination Certificate
active
10909421
ABSTRACT:
Each of first and second coil conductors has a spiral form and is disposed between first and second magnetic substrates. The first and second coil conductors include first parts arranged so as to extend along each other with a predetermined gap therebetween on a first insulating layer, and second parts intersecting each other three-dimensionally. The first and second coil conductors intersect each other in their middle part as seen from a direction orthogonal to the principal face of the first magnetic substrate (second magnetic substrate).
REFERENCES:
patent: 4992769 (1991-02-01), Oppelt
patent: 6002161 (1999-12-01), Yamazaki
patent: 6608364 (2003-08-01), Carpentier
patent: 6759937 (2004-07-01), Kyriazidou
patent: 6879234 (2005-04-01), Furumiya et al.
patent: 2003/0071706 (2003-04-01), Christensen
patent: 2003/0137384 (2003-07-01), Itou et al.
patent: 2003/0210122 (2003-11-01), Concord et al.
patent: A 2002-110423 (2002-04-01), None
Ito Tomokazu
Konno Tadashige
Okuzawa Nobuyuki
Yoshida Makoto
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