In some embodiments of the present invention, an apparatus includes an electromagnetic shielding structure. The electromagnetic shielding structure is formed at least partially in one or more redistribution layers formed on an integrated circuit die. The electromagnetic shielding structure substantially...http://www.google.es/patents/US20040222478?utm_source=gb-gplus-sharePatente US20040222478 - Redistribution layer shielding of a circuit element
Redistribution layer shielding of a circuit element
