----------
        Matt

        Which soldermask is having the problem?  I have heard you are using
        Ciba and some other lpi.   Is the problem occuring on both masks or
        just one?

        John Haman Jr.
        American Board Companies, Inc
        Process / Product Engineer









>      Has anyone every had experience developing solder mask on gold plated
>      boards?  We get the impression that the mask has an affinity for the
>      gold.  It leaves stains that are very hard to remove.  We see them
>      after developing, & are looking for a method to remove them before
>      curing.
>
>
>      Matt Byrne
>      HADCO-Owego
>

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