Patent ID: 9305889
Filing Date: 2016-04-05
CPC Classification: H01L

Claim Text:
1. A leadless integrated circuit (IC) package, comprising: a die attach pad having a top surface and a bottom surface, the die attach pad being a single discrete element having a center portion and a peripheral portion; an IC chip mounted on the top surface of the die attach pad in the peripheral portion thereof, the top surface of the die attach pad having an area larger than an area of the IC chip mounted thereagainst; a plurality of electrical contacts electrically connected to the IC chip; a molding layer formed over the IC chip, the die attach pad, and the electrical contacts, the molding layer having a top part covering top portions of the electrical contacts and a bottom part through which the bottom surface of the die attach pad and bottom portions of the electrical contacts are exposed, the bottom part having an exposed surface disposed between the die attach pad and electrical contacts; a ground ring on the top surface of the peripheral portion of the die attach pad; wherein the bottom surface of the peripheral portion of the die attach pad is substantially flush with an exposed surface of the bottom part of the molding layer; wherein the bottom portions of one or more of the plurality of electrical contacts extend out of the bottom part of the molding layer; and wherein the bottom surface of the center portion of the die attach pad extends out of the bottom part of the molding layer by a distance less than a distance that the bottom portions of one or more of the electrical contacts extends out of the exposed surface of the bottom part of the molding layer.