An Investigation Into Ball Grid Array Inspection Techniques
An Investigation Into Ball Grid Array Inspection Techniques
An Investigation Into Ball Grid Array Inspection Techniques
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
~esa STM-261<br />
Figure 40. Detailed sectioll through<br />
ball E JO of sample 2, showillg<br />
IIoll-wettillg of the solder OlltOthe pad.<br />
Figure 41. Detailed sectioll through<br />
ball K 12 of sample 2, showillg<br />
IIOII-wettillg of the solder OlltO the pad.<br />
32