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US09159686B2 Crack stopper on under-bump metallization layer 有权
在凸块下金属化层上的裂纹塞

Crack stopper on under-bump metallization layer
摘要:
A semiconductor die includes a crack stopper on an under-bump metallization (UBM) layer. The crack stopper is in the shape of hollow cylinder with at least two openings.
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