Cross-coupled inductor pair formed in an integrated circuit

Details Cross-coupled inductor pair formed in an integrated circuit Cross-coupled inductor pair formed in an integrated circuit

2005-08-24

2009-02-03

Nguyen, Tuyen T. (Department: 2832)

Inductor devices

Coil or coil turn supports or spacers

Printed circuit-type coil

Reexamination Certificate

active

07486167

ABSTRACT:
Cross-coupled first and second helical inductors formed in an IC. The cross-coupled first and second helical inductors comprise a first helical conductor having a first portion and a second portion, and a second helical conductor having a first portion and a second portion. The second helical conductor is in close proximity to the first helical conductor. The first helical inductor is formed by the first portion of the first helical conductor and the second portion of the second helical conductor. The second helical inductor is formed by the second portion of the first helical conductor and the first portion of the second helical conductor.

REFERENCES:
patent: 5572179 (1996-11-01), Ito et al.
patent: 6380835 (2002-04-01), Lee
patent: 6512422 (2003-01-01), Dufour et al.
patent: 6894598 (2005-05-01), Heima
patent: 2003/0146816 (2003-08-01), Furumiya et al.
patent: 2004/0108935 (2004-06-01), Kyriazidou
patent: 2405040 (2005-02-01), None
The Power of Mutual Inductance, by Andy Chow, Chief Design Engineer J.W. Miller Magnetics, publication date unknown.

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