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There are several types of Ag Alloy wires being introduced for discrete IC manufacturing, a low (92%) and high purity level (95%) Ag Alloy wires are the most common one. The IC industries have been shifting to this type of wires due mainly to its lower cost and softer property as compared to gold and copper wire. Copper wire even with the improvements done such as alloying the material with palladium...
The successful introduction of copper wire to semiconductor industry had a significant impact on the manufacturing cost thus copper wire which is 60%–70% cheaper than gold as an interconnecting material between die and lead have become the preferred wire for new devices and conversion status for semiconductor companies indicate that migration from gold to copper wire is a major accomplishment. In...
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