An Investigation Into Ball Grid Array Inspection Techniques
An Investigation Into Ball Grid Array Inspection Techniques
An Investigation Into Ball Grid Array Inspection Techniques
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Gesa STM-261<br />
Figure 20. Detailed microsectioll through<br />
ball A2 of sample I, showillg complete<br />
reflow of solder.<br />
Figure 21. Detailed microsectioll through<br />
ball A4 of sample I, showillg solder reflow<br />
but illcomplete meltillg of solder ball.<br />
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