发明授权
US06614122B1 Controlling underfill flow locations on high density packages using physical trenches and dams 失效
使用物理沟槽和水坝控制高密度包装上的底部填充流动位置

Controlling underfill flow locations on high density packages using physical trenches and dams
摘要:
An apparatus, comprising: a substrate having a surface; a die attached to the substrate surface; an underfill material positioned between the substrate surface and the die; and one or more barriers on the substrate surface adjoining the die, wherein the barriers controls flow of the underfill material.
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