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发明名称
具有良好热膨胀系数效能之晶圆级封装及其方法
摘要
本发明系提供一种封装结构,包含基板,其具有预先形成之晶粒接收凹槽和/或终端接触金属垫,形成于基板之上部表面。晶粒则配置黏附于晶粒接收凹槽,而介电层则形成于晶粒与基板之上。至少一重分布增进层(re-distribution built up layer,简称RDL)形成于介电层之上,并透过接触焊垫耦合至晶粒。连接结构,诸如球底层金属(UBM)则形成于重分布增进层之上,而终端导电凸块则耦合至球底层金属(UBM)。
申请公布号
TW200832644
申请公布日期
2008.08.01
申请号
TW096147716
申请日期
2007.12.13
申请人
育霈科技股份有限公司
发明人
杨文焜;王东传;周昭男;林志伟
分类号
H01L23/485(2006.01)
主分类号
H01L23/485(2006.01)
代理机构
代理人
林静文
主权项
地址
新竹县湖口乡新竹工业区光复北路65号
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