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Subject: Re: Uneven etching problem

From: "Bob_xyz" <bob_barr@...>
Date: 2005-07-23

If the short etch does show signs of residue, can the board be rinsed
and additional developing attempted? Or is it all over at that point?

Regards, Bob

--- In Homebrew_PCBs@yahoogroups.com, Adam Seychell <a_seychell@y...>
wrote:
<snip>
>
> Rinse then, etch for 20 seconds. If copper does not
> turn matte pink in some areas then there this is signs of
photoresist residue.
>