A method for fabricating a circuitry component includes providing a
semiconductor substrate, a first coil over said semiconductor substrate,
a passivation layer over said first coil; and depositing a second coil
over said passivation layer and over said first coil. Said second coil
may be deposited by forming a first metal layer over said passivation
layer, forming a pattern defining layer over said first metal layer, a
first opening in said pattern defining layer exposing said first metal
layer, forming a second metal layer over said first metal layer exposed
by said first opening, removing said pattern defining layer, and removing
said first metal layer not under said second metal layer.