Hi Kong Did you check the solder pot analysis I mean the Sn /Pb ratio , I think your pot has not exact required ratio (63/37).Do the solder analysis from a lab and add tin accordingly. BR Pankaj. > -----Original Message----- > From: Poh Kong Hui [SMTP:[log in to unmask]] > Sent: Wednesday, June 05, 2002 7:26 PM > To: [log in to unmask] > Subject: [TN] TN: Smooth bright solder Joint > > Hi All, > > I have been working with wave-solder for number of years. > However, I do not really know what make a solder joint > looked smooth and bright, and no grainy joint. > > I've seen some boards made from certain contractors are > having a extreme smooth shinning joint. They are using > same RMA fluxes, foam fluxer. But we copy the same recipe > and try to duplicate the same kind of joint, it does not > work at all. > > There must be something missing. I hope someone can help > to advise me how to do that. > > Thanks. > > Rgds, > Kong Hui Poh > > -------------------------------------------------------------------------- > ------- > 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 e-mail to [log in to unmask]: > SET Technet NOMAIL > 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/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 e-mail to [log in to unmask]: SET Technet NOMAIL 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/html/forum.htm for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 ---------------------------------------------------------------------------------