I'll second that, because I've burned a lot of hours attempting to solve this one, without success, for the reasons noted in my original post to Bill. Regards - Kelly -----Original Message----- From: Ryan Grant <[log in to unmask]> To: [log in to unmask] <[log in to unmask]> Date: Monday, January 17, 2000 12:24 PM Subject: Re: [TN] VIAS IN PAD >Steve, > Most of us are of the opinion that vias in surface mount pads are a >bad deal. If you have a successful process, how about sharing it with the >rest of us? > >> -----Original Message----- >> From: Joy, Stephen C [SMTP:[log in to unmask]] >> Sent: Monday, January 17, 2000 8:39 AM >> To: [log in to unmask] >> Subject: Re: [TN] VIAS IN PAD >> >> Bill, >> I have a successful process for this. Please contact me off line for >> details. >> Steve >> >> -----Original Message----- >> From: Bill Robinson [mailto:[log in to unmask]] >> Sent: Monday, January 17, 2000 6:14 AM >> To: [log in to unmask] >> Subject: [TN] VIAS IN PAD >> >> >> We have pruchased a PWB design for use in one of our products. This >> design >> has through vias in the surface mount pads. Has anyone had experience >> with >> this situation? My first concern is losing solder through the via during >> reflow. Is there a good way to fill the via and still have a good solder >> joint? And what other kinds of problems can we expect? thanks for the >> help. >> >> Bill Robinson >> >> ############################################################## >> 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. >> If you need assistance - contact Gayatri Sardeshpande at [log in to unmask] or >> 847-509-9700 ext.5365 >> ############################################################## >> >> ############################################################## >> 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. >> If you need assistance - contact Gayatri Sardeshpande at [log in to unmask] or >> 847-509-9700 ext.5365 >> ############################################################## > >############################################################## >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. >If you need assistance - contact Gayatri Sardeshpande at [log in to unmask] or >847-509-9700 ext.5365 >############################################################## ############################################################## 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. If you need assistance - contact Gayatri Sardeshpande at [log in to unmask] or 847-509-9700 ext.5365 ##############################################################