接 着在多个第一柱上形成焊料。
所述多个第一柱用于电连接且根据实施例由铜制成。
The first posts are used for electrical connection and are made of copper according to an embodiment.
将具有与所述多个第一柱对应得多个第二柱的多个裸片放置在所述母器件晶片上。
Plural dies having plural second posts corresponding to the first posts are placed onto the mother device wafer.
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