Siliconware Precision Industries Co., Ltd.

Ken-Hung Kuo

Yu-Ting Lai

Shy-Hwa Feng

A substrate for a semiconductor package is provided, which includes: a core layer; at least a metal layer applied over each of upper and lower surfaces of the core layer, wherein the metal layer on the upper surface forms a plurality of conductive traces each having a terminal, and the metal layer on the lower surface is defined with a conductive region and a surrounding peripheral region, allowing the conductive region to form a plurality of conductive traces each having a terminal; and an insulating layer applied over each of the metal layers, wherein terminals of the conductive traces and at least a corner portion of the peripheral region are exposed to outside of the insulating layers. During fabrication of semiconductor packages, after a post molding curing process, the vertically-stacked substrates can be easily separated by virtue of a gap being formed between exposed corner portions of the stacked substrates.

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Taichung, Taiwan

Ken-Hung Kuo