> > BGA's sure are tricky, but you can solder them manually using a hot air > > system (seen a friend of mine doing it a couple times). > > the only problem is aligning them, that takes a bit of skill... > > > > Regards, > > Alex > > > Yeah, just build up a little corral for the chip with maybe 5 mils or so slop > on each side. (surface tension will bring chip into alignment when the solder > balls melt) liberally flux and apply hot air gun to back of card, no solder > paste needed. I wouldn't _ship_ anything done this way, but its OK for > protos. > Also do the BGA(s) first so you can sight underneath the chip to check for > shorts...
It seems that you guys are very professional about it! I never try to manual solder it, I always let factory to solder it for me. I'll try to use BGA rework station later. Regards, Yanjun luo ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
