Inductor devices – Coil or coil turn supports or spacers – Printed circuit-type coil
Reexamination Certificate
2006-08-01
2006-08-01
Nguyen, Tuyen T (Department: 2832)
Inductor devices
Coil or coil turn supports or spacers
Printed circuit-type coil
C336S083000, C336S192000
Reexamination Certificate
active
07084730
ABSTRACT:
Electrodes and land patterns are provided at no magnetic flux concentrated positions or at positions that influence the magnetic fluxes issued from the core of a chip coil. The chip coil has a pair of electrodes which is formed at the center of a base on which a core of the chip coil is mounted, lead frames, flange-shaped brims, conductive parts and a conductive wire. The ends of the conductive wire are connected to internal electrodes which are provided on both brims, respectively, and external electrodes are extended so as to protrude from the sides of a core drum. Also, the signal patterns and the land patterns are arranged at the positions that do not allow overlapping with the brims of the core of the chip coil. This allows implementation of a chip coil and a printed circuit board for the same that allow reduction in magnetic loss.
REFERENCES:
patent: 6144280 (2000-11-01), Amada et al.
patent: 6154114 (2000-11-01), Takahashi
patent: 6680664 (2004-01-01), Fan
patent: 9-219318 (1997-08-01), None
Koa Kabushiki Kaisha
Nguyen Tuyen T
Smith Patent Office
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