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Article Dans Une Revue Advanced Materials Research Année : 2011

Modeling, Fabrication, and Characterization of Planar Inductors on YIG Substrates

Elias Haddad
  • Fonction : Auteur
Christian Martin
Charles Joubert
Bruno Allard
Maher Soueidan
  • Fonction : Auteur
  • PersonId : 838779
Mihai Lazar
Cyril Buttay

Résumé

This paper presents the design, fabrication, and characterization of micro planar inductors on a microwave magnetic material (YIG). Planar spiral inductors were designed for monolithic DC-DC converters in System-In-Package with 100 MHz switching frequency (1 W, Vin= 3.6 V, Vout= 1 V). A microwave magnetic substrate (YIG) serves as mechanical support, and also presents a double purpose by increasing inductance value and reducing electromagnetic interferences (EMI). This last point is critical to improve the behavior of a switching mode power supply (SMPS). In order to obtain an optimal design for the inductor, geometrical parameters were studied using Flux2D simulator and an optimized 30 to 40 nH spiral inductor with expected 25 mΩ RDC, 3 mm2 footprint area was designed. Subsequently, samples have been fabricated by electroplating technique, and tested using a vector network analyzer in the 10 MHz to 100 MHz frequency range. Results were then compared to the predicted response of simulated equivalent model.
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Dates et versions

hal-00672240 , version 1 (20-02-2012)

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Elias Haddad, Christian Martin, Charles Joubert, Bruno Allard, Maher Soueidan, et al.. Modeling, Fabrication, and Characterization of Planar Inductors on YIG Substrates. Advanced Materials Research, 2011, 324, pp.294-297. ⟨10.4028/www.scientific.net/AMR.324.294⟩. ⟨hal-00672240⟩
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