Can I ask what is LPI? Roxanne > ---------- > From: [log in to unmask][SMTP:[log in to unmask]] > Sent: Tuesday, November 11, 1997 2:41 PM > To: [log in to unmask] > Subject: [TN] Sealing Vias > > Among the ways of sealing vias on LPI solder masked boards are a) > filling > the vias with LPI, and b) tenting the vias with dry film solder mask. > > We are on the brink of converting from dry film to LPI on all our > PCB's. I > would appreciate any comments on the relative merits/demerits of > boards > produced by these two processes. Our supplier recommends the dry film > option. > > Our boards are sometimes in relatively harsh environments and are > designed > to operate from -40 C to +70 C. > > > Thanks to those of you who responded to my inquiry on how to repair > urethane conformally coated boards which have been contaminated with > silicone prior to conformal coating. > > ############################################################## > TechNet Mail List provided as a free service by IPC using LISTSERV > 1.8c > ############################################################## > To subscribe/unsubscribe, send a message to [log in to unmask] with > following text in the body: > To subscribe: SUBSCRIBE TECHNET <your full name> > To unsubscribe: SIGNOFF TECHNET > ############################################################## > Please visit IPC web site (http://www.ipc.org/html/forum.htm) for > additional information. > For the technical support contact Dmitriy Sklyar at [log in to unmask] or > 847-509-9700 ext.311 > ############################################################## > ############################################################## TechNet Mail List provided as a free service by IPC using LISTSERV 1.8c ############################################################## To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body: To subscribe: SUBSCRIBE TECHNET <your full name> To unsubscribe: SIGNOFF TECHNET ############################################################## Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional information. For the technical support contact Dmitriy Sklyar at [log in to unmask] or 847-509-9700 ext.311 ##############################################################