Abstract:Wirebonding process is one of the most challenging assembly manufacturing process in semiconductor packaging industry. This paper discussed the wirebonding challenge and the solution to resolve the wire to die shorting on reverse stitch on ball (RSOB) and prevent irregular looping height for the substrate land grid array (LGA) device. Comprehensive parameter optimization was done particularly on the wirebond looping to ensure that no wire depression and no capillary hitting would occur wirebonding setup. Ultim… Show more
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