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发明授权
CN102124551B 穿硅通孔填充工艺 有权

穿硅通孔填充工艺
摘要：
本发明揭示一种半导体电镀工艺，其以实质上无空隙的方式将铜沉积到穿硅通孔中以完全填充所述穿硅通孔。所述穿硅通孔的直径可大于约3微米，且其深度可大于约20微米。使用低铜浓度且高酸度的电镀溶液来将铜沉积到所述穿硅通孔中。
摘要（英）：

A semiconductor electroplating process deposits copper into the through silicon via hole to completely fill the through silicon via in a substantially void free is disclosed. The through silicon via may be more than about 3 micrometers in diameter and more that about 20 micrometers deep. High copper concentration and low acidity electroplating solution is used for deposition copper into the through silicon vias.

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