I would like to draw on the experience of others who have may have used an
OSP coating with an aqueous wash process.

The material is Entek Plus CU-106A and was specified for boards intended for
a no-clean process. The board will sees two passes thru a surface mount line
plus some hand soldering of thru-hole parts.

My questions:

1. Is this coating compatible with a water soluble flux (Alpha WS609 paste)
process with cleaning in 130 degree F DI water (in-line cleaner, no
chemistry). Keep in mind it will go thru the cleaner at least three times
(two surface mount and one thru-hole pass.)
2. Is OSP in general compatible with aqueous cleaning or is it primarily
designed for a no-clean process?

Thanks in advance for all help.


=========================
Bob Barr
Manufacturing Engineering
Formation, Inc.
=========================

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