Evolution of Ceramic Capillary
نویسنده
چکیده
The first solution for addressing this new wire bonding challenge was the matte finish. Along with some geometrical capillary tip modifications, such as the double internal chamfer (IC), these changes proved Cu wire to be a reliable substitute to gold (Au). However, while the welding requirements were achieved, the tool’s resistance to wear deteriorated. This was expected as the hardness of Cu wire is almost twice that of Au wire.
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