Patent ID: 7019389
Filing Date: 2006-03-28
Classification: H01L

Abstract:
1. A lead frame comprising: a die pad having a top surface for mounting at least one semiconductor chip thereon, and a bottom surface; a plurality of grounding portions protruded from the die pad and formed on at least a side of the die pad, each of the grounding portions having a grounding surface, wherein the thickness of the grounding portions is smaller than that of the die pad, and a ground pad is formed on the grounding surface of each of the grounding portions, allowing a plurality of grounding wires to be respectively bonded to the ground pads of the grounding portions and the semiconductor chip for transmitting ground signals; and a plurality of leads surrounding the die pad, for allowing a set of bonding wires to be bonded to the leads and the semiconductor chip so as to electrically connect the semiconductor chip to the leads.