Hi Folks,

I'd like to get a read from the laminate formulators, PWB shops, and other
assemblers (like myself) as to the perceived impact of IPC-4101 replacing
Mil-13949.  I have seen charts of the differences between the two, and,  as
minor as they seem to me, there are some out there (esp, DSCC) that have
real concerns that the door will be opened for the production of
sub-standard hardware.

Are board shops going to specify 4101, with additional testing specified,to
ensure the quality remains consistent with the Mil-spec material, or should
we be comfortable with 4101 as-is, and regard 13949 as overkill in the
testing dept.?  How are you, as the buyer and user of the laminate material,
going to be satisfied that you are providing your customers the same high
quality boards as before?

Thanks for your opinions.

Ralph Vaughan
Boeing-Atlanta

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