We occasionally cross out the old numbers with epoxy ink and re-number next to it, as long as you have the real estate. If not, could you scrape it off using an x-acto knife? Jim Marsico Senior Engineer Production Engineering AIL/Electronics Systems Group An EDO Company [log in to unmask] <mailto:[log in to unmask]> -----Original Message----- From: Michael Lester [SMTP:[log in to unmask]] Sent: Tuesday, March 20, 2001 11:29 AM To: [log in to unmask] Subject: Re: [TN] Epoxy Ink Stripper... We want to get in on this---because we have tried everything from Ajax to nitric. What we end up doing is resolder mask the board and then re-inking the serial info. It is easier to dissolve the FR4 material than removing the cured ink. --------------------------------------------------------------------------------- Technet Mail List provided as a free service by IPC using LISTSERV 1.8d To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt delivery of Technet send the following message: SET Technet NOMAIL Search previous postings at: www.ipc.org > On-Line Resources & Databases > E-mail Archives Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 ---------------------------------------------------------------------------------