发明名称 FLIP-CHIP PACKAGING STRUCTURE
摘要 A flip-chip packaging structure is provided, which includes: a packaging substrate having a substrate body and a circuit layer formed on the substrate body, wherein the circuit layer has a plurality of conductive pads embedded in the substrate body and exposed from a surface of the substrate body; and a chip disposed on and electrically connected to the packaging substrate through a plurality of conductive elements, wherein the conductive elements and the exposed portions of the conductive pads have a width ratio in a range of 0.7 to 1.3, thereby improving the product yield and reliability.
申请公布号 US2015179598(A1) 申请公布日期 2015.06.25
申请号 US201414183896 申请日期 2014.02.19
申请人 Siliconware Precision Industries Co., Ltd 发明人 Chiu Shih-Chao;Hung Liang-yi
分类号 H01L23/00;H01L23/28 主分类号 H01L23/00
代理机构 代理人
主权项 1. A flip-chip packaging structure, comprising: a packaging substrate having a substrate body and a circuit layer formed on the substrate body, wherein the circuit layer has a plurality of conductive pads embedded in the substrate body and exposed from a surface of the substrate body; and a chip disposed on and electrically connected to the packaging substrate through a plurality of conductive elements, wherein the conductive elements and the exposed portions of the conductive pads have a width ratio in a range of 0.7 to 1.3.
地址 Taichung TW