Patent ID: 8759950

Claim:
An apparatus comprising: a radio-frequency (RF) first die including several through-silicon vias (TSVs): an active surface and a backside surface; a plurality of sectors in the RF first die; at least one TSV that transmits one of signal, power, and ground (signal TSV); and at least one TSV shielded sector among the plurality of sectors, where the TSV shielded sector includes: a shielding TSV enclosure of spaced-apart shielding TSVs that form a perimeter around at least a part of the TSV shielded sector; and a lattice lid disposed on the die backside and matching the perimeter, wherein the at least one TSV shielded sector further includes: a first plurality of shielding TSVs; and a subsequent plurality of shielding TSVs that is concentric to the first plurality.