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INTEGRATED CIRCUIT CHIP, METHOD OF MANUFACTURING THE INTEGRATED CIRCUIT CHIP, AND INTEGRATED CIRCUIT PACKAGE AND DISPLAY APPARATUS INCLUDING THE INTEGRATED CIRCUIT CHIP
INTEGRATED CIRCUIT CHIP, METHOD OF MANUFACTURING THE INTEGRATED CIRCUIT CHIP, AND INTEGRATED CIRCUIT PACKAGE AND DISPLAY APPARATUS INCLUDING THE INTEGRATED CIRCUIT CHIP
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机译:集成电路芯片,制造集成电路芯片的方法,以及集成电路封装和包括集成电路芯片的显示装置
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摘要
An integrated circuit (IC) chip includes a via contact plug extending inside a through hole passing through a substrate and a device layer, a via contact liner surrounding the via contact plug, a connection pad liner extending along a bottom surface of the substrate, a dummy bump structure integrally connected to the via contact plug, and a bump structure connected to the connection pad liner. A method of manufacturing an IC chip includes forming an under bump metallurgy (UBM) layer inside and outside the through hole and forming a first connection metal layer, a second connection metal layer, and a third connection metal layer. The first connection metal layer covers the UBM layer inside the through hole, the second connection metal layer is integrally connected to the first connection metal layer, and the third connection metal layer covers the UBM layer on the connection pad liner.
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