I have seen the marks hidden with black epoxy ink. > -----Original Message----- > From: TechNet [mailto:[log in to unmask]] On Behalf Of Andre Leclair > Sent: Thursday, May 27, 2004 10:22 AM > To: [log in to unmask] > Subject: [TN] Part Marking Removal > > Hi All > > We have a customer that would like us to remove the > Manufacture Logos and part#s from 4 parts on their assemblies > (PLCCs and QFPs). > > Acetone and Alcohol were both tried with zero deterioration > of the markings. > I suspect the parts have been Laser Marked. > What would you suggest > Mechanical Abrasion? > Chemical What type? > marking Laser (we have access to one)? > Volumes would be about 2000 ICs/month > > This would likely have to be done after placement (QA's request). > > Thanks for any input > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV > 1.8e 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 or (re-start) delivery of Technet > send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail > to [log in to unmask]: SET Technet Digest Search the archives > of previous posts at: http://listserv.ipc.org/archives Please > visit IPC web site > http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for > additional information, or contact Keach Sasamori at > [log in to unmask] or 847-509-9700 ext.5315 > ----------------------------------------------------- > --------------------------------------------------- Technet Mail List provided as a service by IPC using LISTSERV 1.8e 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 or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest Search the archives of previous posts at: http://listserv.ipc.org/archives Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 -----------------------------------------------------