Some embodiments provide a first portion of an inductor disposed in a first layer of a multilayer substrate, a second portion of the inductor disposed in a second layer of the multilayer substrate, the second portion coupled to the first portion, and a shielding plane disposed between the first portion...http://www.google.com/patents/US7209025?utm_source=gb-gplus-sharePatent US7209025 - Multilayer inductor with shielding plane
