Spiral inductor with multi-trace structure

Details Spiral inductor with multi-trace structure Spiral inductor with multi-trace structure

2007-07-06

2009-12-01

Nguyen, Tuyen (Department: 2832)

Inductor devices

Coil or coil turn supports or spacers

Printed circuit-type coil

Reexamination Certificate

active

07626480

ABSTRACT:
A spiral inductor with a multi-trace structure having an insulating layer disposed on a substrate. A first spiral conductive trace with multiple turns is disposed on the insulating layer, wherein the outermost turn and the innermost turn of the first spiral conductive trace have a first end and a second end, respectively, and one of the first and second ends is connected to ground. A second spiral conductive trace with a single turn is disposed on the insulating layer and adjacent to the first spiral conductive trace, wherein the second spiral conductive trace is electrically connected to the turn that is connected to the ground and belongs to the first spiral conductive trace. The first spiral conductive trace has a relative outside and a relative inside, wherein the end of the first spiral conductive trace connected to ground and the second spiral conductive trace are located at different sides respectively.

REFERENCES:
patent: 6870256 (2005-03-01), Aoki et al.
patent: 6922126 (2005-07-01), Okamoto et al.
patent: 7460001 (2008-12-01), Jessie
patent: 2006/0220773 (2006-10-01), Su et al.

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