US Patent 10276508 Semiconductor packages and methods of forming the same

Semiconductor packages and methods of forming the same are disclosed. The semiconductor package includes a plurality of chips, a first molding compound, a first redistribution structure, a second molding compound and a second redistribution structure. The first molding compound encapsulates the chips. The first redistribution structure is disposed over the plurality of chips and the first molding compound. The second molding compound surrounds the first molding compound. The second redistribution structure is disposed over the first redistribution structure, the first molding compound and the second molding compound.