Patti,

Be very careful! If you use this technique over bare copper, it will
dewet like hell, due to abrasive particles being implanted into the
metal.

Brian

"Goldman, Patricia J." wrote:
>
> Technet colleagues,
>
> My boss came across the term "micro sand blasting" in an article in the
> April 2000 edition of SMT Magazine.
>
> He asked me what that was and of course I did not have an answer.  Can
> someone give me a nice description of this operation or process?
>
> The article had to do with Conformal Coatings and the pertinent sentence
> was:  "Rework on acrylics and urethanes can be handled using mechanical
> abrasion or micro sand blasting."
>
> Thanks for your help,
> Patty
> Patricia J. Goldman
> PPG Industries, Inc.
> 724-274-3417
> [log in to unmask]
>
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