Rich,
Send a picture of it to Steve Gregory at: [log in to unmask]
He can post it on his web site and then we can help you!
David A. Douthit
Manager
LoCan LLC
Rich Olsen wrote:
>Hi,
>
> Has anyone seen the following?
> Surface contamination on top of electroless copper.
> It prevents plating and subsequent etching.
> It is both under the resist and in exposed areas during pattern plate and
>etch.
> It is small on the order of a mil or two, but there can be lots of it.
> It seems to be in streaks, a spattered appearance.
>
>thanks,
>Rich
>
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