Hi Bill 

I have a LLCC castellated unit.  As mentioned when it was hand placed I 
had no issues now that it is SMT placed it moves during reflow.  Per your 
questions before our board is FR 4 and Rogers material.  The ground plane 
solder is to minimize noise on our device is to eliminate noise. 

Please call me if you have a moment.

If you would also please elaborate more on the statement below would be 
great.

 Any component which exceeds 7 grams in weight for every lead of the 
device

Thank you

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