Integrated circuit with inductor having horizontal magnetic...

Details Integrated circuit with inductor having horizontal magnetic... Integrated circuit with inductor having horizontal magnetic...

2007-08-07

2007-08-07

Prenty, Mark V. (Department: 2822)

Active solid-state devices (e.g., transistors, solid-state diode

Integrated circuit structure with electrically isolated...

Passive components in ics

C257S758000

Reexamination Certificate

active

10614307

ABSTRACT:
An integrated circuit (IC) includes one or more inductors that have magnetic flux lines substantially parallel to a generally horizontal plane of the IC. The inductor is formed in a plurality of conductor layers separated by insulating layers of the IC. Regions of highest magnetic flux density of the inductor may preferably be located near the edge of the IC. Additionally, the inductor may preferably be segmented. The over-all inductance may preferably be controlled by turning on and off selected inductors or inductor segments.

REFERENCES:
patent: 5793272 (1998-08-01), Burghartz et al.
patent: 6291872 (2001-09-01), Wang et al.
patent: 6925701 (2005-08-01), Eckstein et al.
Marc T. Thompson, Inductance Calculation Techniques—Part II: Approximations and Handbook Methods, “Power Control and Intelligent Motion,” Dec. 1999, website http://www.pcim.com, http://members.aol.com/Marcttpapers2/Induct2.pdf.
Steve Moshier, Calculation of electrical inductance—COIL02 Electrical Inductance Calculator, Jan. 2002, http://www.moshier.net/coildoc.html.

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