发明授权
US08119448B2 Semiconductor chip, wafer stack package using the same, and methods of manufacturing the same 有权
半导体芯片,使用其的晶片堆叠封装及其制造方法

Semiconductor chip, wafer stack package using the same, and methods of manufacturing the same
摘要:
A semiconductor chip comprises a substrate including a front surface and a rear surface, the substrate having a first via hole formed in the front surface and a second via hole formed in the rear surface, a first conductive plug formed on the substrate, the first conductive plug including a first portion formed in the first via hole and a second portion protruding from the front surface of the substrate, and a second conductive plug formed on the first conductive plug, the second conductive plug having a smaller cross-sectional area than the first conductive plug.
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