| 摘要 |
A conductive structure for a semiconductor chip and a method for forming the conductive structure are provided. The semiconductor chip comprises a semiconductor substrate, a pad, a passivation layer and a patterned insulating layer. The patterned insulating layer is disposed on the passivation layer and partially and directly covers the first opening of the pad to expose a second opening. The conductive structure comprises an under bump metal (UBM) layer and a conductive bump. The UBM layer is disposed in the second opening defined by the patterned insulating layer and is electrically connected to the pad. The conductive bump is disposed on the UBM layer and is electrically connected to the UBM layer. The upper surface of the conductive bump is greater than the upper surface of the patterned insulating layer, while the portion of the conductive bump disposed in the second opening is covered by the UBM layer.
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