Journal
IEEE TRANSACTIONS ON MAGNETICS
Volume 43, Issue 7, Pages 3171-3180Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMAG.2007.895700
Keywords
DG-DC power conversion; electrodeposition; magnetic films; microinductor
Funding
- Engineering and Physical Sciences Research Council [GR/S12395/01] Funding Source: researchfish
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Suitable materials forming the core of microscale magnetic components have been characterized for the application of magnetic passive components in the 0.5-10 MHz frequency range. The performance of electrodeposited nickel-iron, cobalt-iron-copper alloys and the commercial alloy Vitrovac 6025 have been assessed through their inclusion within a custom-made solenoid microinductor. Inductance values ranging from 0.3 to 120 mu H with component power efficiency above 90% have been measured. Although the present inductor, at 500 kHz, achieves 77% power efficiency for 24.7W/cm(3) power density, an optimized process predicts a power efficiency of 97% for 30.83 W/cm(3) power density.
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