Siliconware Precision Industries Co., Ltd.

Hsin-Ta Lin

Ching-Wen Chiang

Yu-Po Wang

Fu-Tang Huang

Lung-Yuan Wang

Cheng-Chia Chiang

Chu-Chi Hsu

Chia-Kai Shih

A substrate structure is provided, which includes: a substrate body having a plurality of conductive pads; an insulating layer formed on the substrate body and exposing the conductive pads; a plurality of conductive vias formed in the insulating layer and electrically connected to the conductive pads; a plurality of circuits formed on the conductive vias and in the insulating layer, wherein the circuits are greater in width than the conductive vias; and a plurality of conductive posts formed on the circuits and the insulating layer, wherein each of the conductive posts has a width greater than or equal to that of each of the circuits. The conductive vias, the circuits and the conductive posts are integrally formed. As such, micro-chips or fine-pitch conductive pads can be electrically connected to the substrate structure in a flip-chip manner.

Method of fabricating substrate structure

Substrate structure, fabrication method thereof and conductive structure

A semiconductor package is provided, which includes: a first semiconductor device having a first top surface and a first bottom surface opposite to the first top surface; a plurality of conductive balls formed on the first top surface of the first semiconductor device; a second semiconductor device having a second top surface and a second bottom surface opposite to the second top surface; and a plurality of conductive posts formed on the second bottom surface of the second semiconductor device and correspondingly bonded to the conductive balls for electrically connecting the first semiconductor device and the second semiconductor device, wherein the conductive posts have a height less than 300 um. Therefore, the present invention can easily control the height of the semiconductor package and is applicable to semiconductor packages having fine-pitch conductive balls.

Semiconductor package and fabrication method thereof

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Taichung, Taiwan

Hsin-Ta Lin