Hi All, Busy today,
Blow holes/pin holes, according to table 6-2 in IPC-A-610C are accpetable as
long as circumferential wetting on secondary side is 270 degrees for class 2
and 330 degrees for class 3. What quantity of blow holes does that cover on
one assembly? If it were all over the PCB randomly every board, would it
still be acceptable?

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