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发明名称
覆晶封装用散热片之基材制造流程与成型模穴构造
摘要
本发明系一种制造覆晶封装用整合型散热片(以下简称覆晶散热片),系先将覆晶散热片之基材裁切成为四个边面向内弯,以及四个边角呈尖突状的板片形体,接着将此基材置于成型模穴当中,此成型模穴系在相对应于基材的四个边角位置设有预扩张空间,俾当在基材冲锻成型为覆晶散热片的过程中,成型模穴四个边角的扩张空间以及基材边面向内弯的区域,吸收基材因为成型覆晶散热片板面凹槽而向外推挤出来的原料,不但可避免造成溢料,使成型后的覆晶片表面更为平整,更可因此免去后续的表面精整加工,有效提升覆晶片的加工精度及品质。
申请公布号
TW200709369
申请公布日期
2007.03.01
申请号
TW094128892
申请日期
2005.08.24
申请人
陈永徵
发明人
陈永徵
分类号
H01L23/367(2006.01)
主分类号
H01L23/367(2006.01)
代理机构
代理人
主权项
地址
新竹市民权路96巷7号
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