It is possible. We do it routinely. We use "goop" and pallets depending on requirement and schedule requirements. Just don't leave out the goop. Earl Moon ----- Original Message ----- From: Collins, Graham <[log in to unmask]> To: <[log in to unmask]> Sent: Friday, August 27, 1999 9:27 AM Subject: Re: [TN] continuous assembly flow for double SMT/TH > Matthew > It is possible to do both sides SMT using the same carrier, I've seen it > done on a board in a double sided line (board flipper midway). > To add selective soldering may be a bit more of a challenge, by definition > you are looking to shield something from the solder wave that was put on > earlier (e.g. in SMT). So you would have to have a clip on addition - which > would increase your risk of fixture failure. > > I'd go with two fixtures. > > have a good weekend! > > Graham Collins > Process Engineer, > Litton Systems Canada, Atlantic Facility > (902) 873-2000 ext 6215 > > -----Original Message----- > From: Matthew Park [mailto:[log in to unmask]] > Sent: Friday, August 27, 1999 1:02 PM > To: [log in to unmask] > Subject: [TN] continuous assembly flow for double SMT/TH > > > Is it feasible to have one type of board carriers to take boards thru 1) > glue curing process for first side and 2)invert carriers with boards, and > 3)reflowing second side, and 4) do manual stuffing of th components and 5) > take them thru selective wave soldering process? > > I am trying to create a continuous assembly process where SMT components for > bottom side is cured and for top side is reflowed, and TH components are > wave soldered selectively by using one type of board carriers without > operators handling boards. > > Is any assembly company doing this, assembling both sides of SMT and doing > selective wave soldering for TH in a continuous process? > My thought suggests that this is not possible. And this continuous process > with one board carrier type only works with SMT and TH components on one > side. > > appreciate your technical inputs > > > > Matthew S. Park > Sr. Process Engineer > Phoenix International Corp. > 701-277-6434 > [log in to unmask] > > ############################################################## > 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 ##############################################################