Jianq Chyun IP Office
Package substrate structure
A package structure includes a selective-electroplating epoxy compound, a first patterned circuit layer, second patterned circuit layers, metal studs, contact pads and conductive vias. The selective-electroplating epoxy compound includes cavities, a first surface and a second surface. The cavities disposed on the first surface in array arrangement. The selective-electroplating epoxy compound is formed by combining non-conductive metal complex. The metal studs are disposed in the cavities respectively and protruded from the first surface. The first patterned circuit layer is directly disposed on the first surface. The selective-electroplating epoxy compound exposes a top surface of the patterned circuit layer. The top surface is lower than or coplanar with the first surface. The second patterned circuit layers are directly disposed on the second surface. The conductive vias are disposed at the selective-electroplating epoxy compound to electrically connect the second patterned circuit layers to the corresponding metal studs.
IBIS Innotech Inc.
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Chih-Kung Wen-Chun Wei-Jen
Huang Liu Lai