Is there an industry standard for allowable defects, or x-outs, for panelized 
PWBs?  For instance, if a panel is 8-up, and there are 625 panels in the lot 
(5000 pcs. total in the lot), what is a reasonable defect rate? A PWB 
manufacturer has suggested 1 PWB per panel, and a max. of 10% of the panels in 
the lot.  For this example, that allows 62 panels with an x-out, which seems 
excessive.  The problem with the x-out is that the automatic pick and place 
equipment will stuff the bad PWB unless manually overridden, so there will be 
scrap component costs.   Comments, please.

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