FCPBGA with SOP pad finishing a study of lead-free solder ball attach improvement
A comparison study between Sn3.5Ag solder ball and conventional Sn3.8AgO.7Cu (SAC387) solder ball was conducted on 33×33 FCPBGA with SOP pad finishing. After assembly, samples were subjected to laser scanning for slanted ball inspection. Visual inspection under low power scope was done to check for...
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2017
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| Online Access: | http://dspace.uniten.edu.my:8080/jspui/handle/123456789/5272 |
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