McCracken & Frank LLC
Package having an inner shield and method for making the same
The present invention relates to a package having an inner shield and a method for making the same. The package includes a substrate, a plurality of electrical elements, a molding compound, an inner shield and a conformal shield. The electrical elements are disposed on the substrate. The molding compound is disposed on a surface of the substrate, encapsulates the electrical elements, and includes at least one groove. The groove penetrates a top surface and a bottom surface of the molding compound and is disposed between the electrical elements, and there is a gap between a short side of the groove and a side surface of the molding compound. The inner shield is disposed in the groove and electrically connected to the substrate. The conformal shield covers the molding compound and a side surface of the substrate, and electrically connects the substrate and the inner shield. Therefore, the inner shield enables the electrical elements to have low electromagnetic interference and high electromagnetic compatibility.
Advanced Semiconductor Engineering, Inc.
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Kuo-Hsien Jian-Cheng
Liao Chen