Patent ID: 8021930
Filing Date: 2011-09-20
Classification: H01L

Abstract:
1. A method of making a semiconductor device, comprising: providing a temporary carrier having a designated area for a first semiconductor die; forming a dam structure on the temporary carrier by depositing dam material on the temporary carrier around the designated area for the first semiconductor die; mounting the first semiconductor die with its active surface oriented to the designated area on the temporary carrier; depositing an encapsulant over the first semiconductor die and temporary carrier, the dam material selected to have a coefficient of thermal expansion (CTE) corresponding to a CTE of the encapsulant and a warpage characteristic opposite a warpage characteristic of the encapsulant; removing the temporary carrier to expose a first side of the encapsulant and active surface of the first semiconductor die, the dam structure stiffening a periphery of the first semiconductor die; forming a first interconnect structure over the first side of the encapsulant; and singulating the semiconductor device.