Patent ID: 6979595

Claim:
A method for processing a packaged microelectronic device having a die with an integrated circuit and a plurality of bond-pads operatively coupled to the integrated circuit, comprising: providing a packaged microelectronic device including a microelectronic die, an interconnecting unit, and a casing, wherein the die comprises an integrated circuit and a plurality of bond-pads coupled to the integrated circuit, wherein the interconnecting unit comprises a substrate with a first side and a second side to which the die is attached, a plurality of contact elements operatively coupled to the bond-pads on the die, a plurality of ball-pads on the first side, and a plurality of conductive elements extending from selected contact elements to corresponding ball-pads, and wherein the casing comprises at least a first cover encapsulating the die; heating the packaged device; and releasing an entrapped gas through a pressure relief element, wherein releasing a gas comprise passing moisture through a via formed by rupturing a thin section of the substrate between the second side of the substrate and a depression in the first side of the substrate.