Electronics Forum | Fri Oct 27 11:17:41 EDT 2006 | MFG CAVEMAN
Since I didn't see it mentioned - Are you specifying a laminate that is considered compatible with a RoHS process? I don't mean just a high Tg but a high Td (decomposition) and CTE material such as Isola 410, FR408 etc.
Electronics Forum | Fri Oct 27 13:58:27 EDT 2006 | markb
We use the Isola 410 laminate. They just issued a tech bulletin on the same day (coincidence???) that we found the problem. It mostly talks about handling (i.e. environmental storage) and pre-bake operations to prevent issues like this.
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