Inductor having small energy loss

Details Inductor having small energy loss Inductor having small energy loss

2005-05-17

2005-05-17

Donovan, Lincoln (Department: 2832)

Inductor devices

Coil or coil turn supports or spacers

Printed circuit-type coil

C336S223000, C336S232000

Reexamination Certificate

active

06894598

ABSTRACT:
An inductor has a laminated structure in which an insulating layer and a wiring layer are laminated alternately on a semiconductor substrate. The laminated structure includes at least two wiring layers and an insulating layer interposed between them. A first wiring layer has a first winding part and a second winding part in the same plane, adjacent each other, and wound. A second wiring layer has a wiring part having a single path from one terminal to the other. The first and second winding parts are electrically connected to the wiring part. When a voltage is applied between one terminal of the first winding part and one terminal of the second winding part, currents flow in the first and second winding parts in opposite directions.

REFERENCES:
patent: 6194987 (2001-02-01), Zhou et al.
patent: 6529720 (2003-03-01), Jovenin et al.

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