Composite gold wire and manufacture method thereof

Abstract

The invention provides a manufacture method of a composite gold wire, comprising the steps of providing main metal raw materials containing components of gold and silver; putting the main metal raw materials in a vacuum melting furnace and carrying out mixing melting by adding minor metal materials containing a palladium component in the vacuum melting furnace to prepare a gold-silver-palladium alloy melting liquid; then continuously casting and pulling and stretching the gold-silver-palladium alloy melting liquid into a gold-silver-palladium alloy wire rod; and at last, stretching the gold-silver-palladium alloy wire rod into a gold-silver-palladium alloy bonding wire with the preset wire diameter. The invention also provides the composite gold wire comprising the following ingredients in percentage by weight: 8.00-30.00 percent of gold, 66.00-90.00 percent of silver and 0.01-6.00 percent of palladium. By dint of the gold-silver-palladium alloy bonding wire prepared by mixing the three metal raw materials such as gold, silver and palladium, the invention can not only achieve the effect of metal wire rods made of pure gold but also greatly reduce the cost.

Description

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AI Technical Summary

Benefits of technology

This patented technology allows for creation of an alloyed wires that are stronger than any other materials used alone. It does this through mixing different metals together with certain substances like copper or platinum into one material called gold-silver mixture before making them up. By doing it without adding much extra weight compared to traditional methods, these new technologies have reduced costs while still maintain their strengths over time.

Problems solved by technology

This patented technical problem addressed in this patents relating to traditional methods of connecting metallic bondings with IC devices involves increasing costs associated with use of expensive purified gold-based material while maintaining their desired performance level or reducing its impact on other aspects like durability during operation.

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