Patent ID: 8866236
Filing Date: 2014-10-21
Classification: B81B,H01L

Abstract:
1. A package structure having at least a Micro Electro Mechanical System (MEMS) element, comprising: a chip provided thereon with a plurality of electrical connection pads and the at least an MEMS element; a lid disposed on the chip to cover the MEMS element; a metal layer only disposed on a top surface of the lid and in direct physical contact with the lid; a plurality of first sub-bonding wires electrically connecting to the electrical connection pads, respectively; a plurality of second sub-bonding wires electrically connecting to the metal layer; an encapsulant disposed on the chip to cover the lid, the first sub-bonding wires and the second sub-bonding wires, wherein top ends of the first sub-bonding wires and the second sub-bonding wires are exposed from a top surface of the encapsulant; and a plurality of metallic traces disposed on the encapsulant and electrically connected to the first sub-bonding wires.