Larry, How about the water soluable liquid mask used to cover holes and parts that aren't populated but are to be left free from solder. Dee Stover [log in to unmask] Associate Technician Design National Optical Astronomy Observatories At 01:17 PM 8/24/01 -0500, you wrote: >Many of our projects are multiple up boards in a panel. There are times >when we only populate a partial panel and save the remaining boards for >later runs. We use the local fiducials to show the pick and place >machines which boards to populate. My question is, anyone have any ideas >on what to use to hide the fiducials on the boards you don't want >populated? On X'd out boards, we use a black marker, but that doesn't >work on these as we need to use the fiducials at a later date. I thought >about using a black label from the local office supply store, but I >really want something that doesn't burn up in the reflow or leave a >sticky residue. Any suggestions? > >Thanks >Larry Koens >E.I. Microcircuits >1651 Pohl Road >Mankato, MN > >--------------------------------------------------------------------------- ------ >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 >--------------------------------------------------------------------------- ------ > > --------------------------------------------------------------------------------- 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 ---------------------------------------------------------------------------------