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High-Quality Integrated Inductors Based on Multilayered Meta-Conductors

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5 Author(s)
Iramnaaz, I. ; Dept. of Electr. Eng., Wright State Univ., Dayton, OH, USA ; Schellevis, H. ; Rejaei, Behzad ; Fitch, R.
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We demonstrate high-quality integrated inductors built from a multilayer of alternating copper and ferromagnetic films. The multilayer acts as a meta-conductor whose effective permeability becomes nearly zero at its ferromagnetic anti-resonance frequency. This leads to a suppression of the skin effect and a significant increase in the quality factor of the device. Experiments show an up to 86% increase in quality factor compared to conventional copper-based spiral inductors at high frequencies.

Published in:

Microwave and Wireless Components Letters, IEEE  (Volume:22 ,  Issue: 7 )

Date of Publication:

July 2012

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