Invention Grant
US08822324B2 Passivated copper chip pads 有权
钝化铜芯片

Passivated copper chip pads
Abstract:
A structure and method of forming passivated copper chip pads is described. In various embodiments, the invention describes a substrate that includes active circuitry and metal levels disposed above the substrate. A passivation layer is disposed above a last level of the metal levels. A conductive liner is disposed in the sidewalls of an opening disposed in the passivation layer, wherein the conductive liner is also disposed over an exposed surface of the last level of the metal levels.
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