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| From [log in to unmask] Mon Dec 9 16: |
18:40 1996 |
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Dan,
A few more details please. What kind of mask (e.g. dry film , wet screen,
LPI)? Is is over a melting metal? What wave temperatures? Were the boards
acceptable before, i.e. was there some change in materials and processes
which precipitated the problem?
Doug Pauls
CSL
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