DocumentCode
1540784
Title
High-Quality Integrated Inductors Based on Multilayered Meta-Conductors
Author
Iramnaaz, I. ; Schellevis, Hugo ; Rejaei, Behzad ; Fitch, Robert ; Zhuang, Yan
Author_Institution
Dept. of Electr. Eng., Wright State Univ., Dayton, OH, USA
Volume
22
Issue
7
fYear
2012
fDate
7/1/2012 12:00:00 AM
Firstpage
345
Lastpage
347
Abstract
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.
Keywords
Q-factor; ferromagnetic materials; inductors; magnetic permeability; skin effect; alternating copper; effective permeability; ferromagnetic antiresonance frequency; ferromagnetic film; high-quality Integrated inductor; multilayered meta-conductor; quality factor; skin effect suppression; Conductors; Copper; Inductors; Q factor; Radio frequency; Resistance; Ferromagnetic resonance (FMR); inductor; magnetic thin film; quality factor; radio frequency (RF);
fLanguage
English
Journal_Title
Microwave and Wireless Components Letters, IEEE
Publisher
ieee
ISSN
1531-1309
Type
jour
DOI
10.1109/LMWC.2012.2201710
Filename
6218130
Link To Document