Patent ID: 9237647
Filing Date: 2016-01-12
CPC Classification: H01L,H05K

Claim Text:
1. A device comprising: a substrate having a first side with a plurality of connectors and a die disposed thereon; molding compound disposed on the first side the molding compound encapsulating and contacting each of the plurality of connectors and the die; a plurality of openings in the molding compound, each opening of the plurality of openings exposing a respective one of the plurality of connectors and occupying a first surface area of a top surface of the molding compound; and a stress relief structure (SRS) disposed in the molding compound, the SRS comprising a cavity in the molding compound separate from each of the plurality of connectors, the cavity occupying a second surface area of the top surface of the molding compound, the second surface area being less than the first surface area.