Steve,
You could use hot (>150F) caustic soda solution, but as Brian pointed out,
the mask and substrate are epoxy too. I would recommend an abrasive or
"scraping" method or just blocking the mistake out with another color ink
then re-doing the serial numbers over a chemical method.
Tim Reeves

|-----Original Message-----
|From: Stephen R. Gregory [mailto:[log in to unmask]]
|Sent: Tuesday, March 20, 2001 7:37 AM
|Subject: Epoxy Ink Stripper...
|
|
|Hi ya'll!
|
|Everybody got their "MIR" helmets on? They say now that it'll
|be Friday when
|they plan to "De-orbit" the space station...
|
|Anyways, could anybody give me a recommendation on a good solvent (or
|whatever), to use to remove cured epoxy ink. It's for when
|there's a mistake
|been made serializing PCB's...
|
|As always, thanks in advance...
|
|-Steve Gregory-
|

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