There ar few if any true drop in processes out there. Even changing form
one resist strip chemistry to another requires some degree of diligence to
insure a good start up.

The white tin process does require some work up front for a good
installation. Getting the equipment desired/required by your vendor is part
of it. Performing the required daily analysis and solderability tests is
also part of it.

I have worked with ENIG, OSP, HASL and white tin. Starting up anyone of
these processes is not easy, you can't drop it in and walk away. I can say
white tin is much easier to work with then ENIG. The temperatures are
lower, bath loading is not as critical, and rework is possible if
everything does not go correctly the first time.

Jim Kenny
Dexter
603-759-4713

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