标题: 某些时候,有问题的料任然要用! [打印本页] 作者: 剑心恒 时间: 2011-11-4 16:13 标题: 某些时候,有问题的料任然要用! at most time, even we know this material is defective, we still use them!
this defect is critical, will cause FG function failure or product life shortening.
but if this defect is a old issue, always with a higher DPPM,
then we can UAI to satisfy our manufacture.