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Implementing integrated circuit chip attach in three dimensional stack using vapor deposited solder Cu pillars
Implementing integrated circuit chip attach in three dimensional stack using vapor deposited solder Cu pillars
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机译:使用气相沉积的焊料Cu柱实现三维堆叠中的集成电路芯片连接
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摘要
A method and structures are provided for implementing individual integrated circuit chip attach in a three dimensional (3D) stack. A plurality of hollow copper pillars is formed, and the hollow copper pillars are coated with lead free solder using vapor deposition.
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