Enpirion's Liakopoulos notes that his company's
combination of these existing technologies will make power management on
CMOS wafers more common and less expensive.
electroplating methods, it is possible to cost effectively deposit
photo-lithographically defined [Fe-Co alloy] magnetic cores on silicon
wafers," Liakopoulos said. The technology has been transferred and
embedded in a volume wafer production facility earlier this year,
Liakopoulos said. The alloy is part of Enpirion's noise sensitive, low
power POL DC-DC converters, the 1 Amp EL711 and the 1,5 Amp EL712.
Enpirion’s wafer level magnetics inductor showing multiple layers of FCA around copper
to its published roadmap, Enpirion's next milestone will be adding
copper on its Fe-Co alloy on silicon to allow 12kW per inch3.
The company says it has plans to continue shrinking packages to roughly
a quarter of the current size and increasing the kilowatts output to 50
kW per inch3 at frequencies higher than 40 mHz by layering multi-FCA and Dielectric on silicon sometime in 2016.
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