> I would guess that if > one could up the permeability of the torus material, > leakage would diminish - but do they make such a > ferrite? Fast yet furious; with low hysteresis, yet > the permeability of "moo" metal?
maybe? http://www.inframat.com/nano.htm Hey, speaking of potting the windings. Has anyone actually just "buried" the windings in core powder before pressing?

