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Pneumatic diaphragm drop-on-demand (DOD) Technology is an attractive method for Sn conductive lines owing to low-cost, low-waste, and simple process. Based on stable generation of Sn droplets, the process parameters such as droplet spacing and deposition height have significant effect on the final quality of Sn conductive lines. In this work, Sn conductive lines were generated while droplet spacing...
As a uniform solder balls manufacturing technology, metal droplets jetting technology can realize controllable deposition of droplets, so it can apply to the production of solder balls array in BGA and CSP packaging. To study the influence parameters to the morphology of the solder balls, we developed an equipment based on the Pneumatic diaphragm drop-on-demand Technology. In this paper, we changed...
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