Electronics Forum | Tue Oct 04 12:01:13 EDT 2005 | johnw
The 1st thing I would do is go into trace and start debugging the part this will show you pickup condition mail me if you want help with this process
Electronics Forum | Thu Jun 14 04:08:33 EDT 2007 | d0min0
we had same problems with heavy loaded boards (40 x 10 leg transformer each side) we placed 2 glue dots (Fuji GL)under trafo and played with profile bottom side (thermateh lcv4 - 6 zones, SnPb process) that did the trick
Electronics Forum | Thu Jun 14 11:26:30 EDT 2007 | mumtaz
It may be your screen printer my friend. You are using a MPM aren't you? I knew it. Try a DEK to rid yourself of these pesky problems.
Electronics Forum | Sat Jun 16 08:40:23 EDT 2007 | davef
Search the fine SMTnet Archives, for instance: http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=43869
Electronics Forum | Fri Feb 01 16:14:55 EST 2008 | bghusker
We bake components in reels quite often using a low temp oven. If you look under JDEC standards they provide temps and baking times based off of the thickness of the part. The only problem with the low temp is that you could be looking at baking ti
Electronics Forum | Wed Aug 27 10:35:04 EDT 2008 | evtimov
Hi, also you can check the board design. If always the sme pins are not soldered, a via could be close to the pin and take part of the solder in. Regards, Emil
Electronics Forum | Wed Aug 27 17:21:28 EDT 2008 | vladig
Soory, but I don't understand what you are saying/asking. Parts with Pb-free finish existed in the Pb-Sn world, so what is so special about your QFPs? Vlad www.sentec.ca
Electronics Forum | Wed Aug 27 23:00:55 EDT 2008 | omid_juve
i mean that the parts that we have here is ROHS compliant(pb free)but the process that we have(the type of solder paste & the surface finish of the board has pb in its mixture) this is not the cause of problem ?
Electronics Forum | Wed May 09 11:40:28 EDT 2012 | gnus
Teaching trays (considering you already have the package in your library) takes about 2 mins. Really comes in handy for small batches when ICs/BGAs are supplied in small strips.
Electronics Forum | Thu May 10 12:57:03 EDT 2012 | gnus
Seems like this is a common theme. It was always an uphill battle with management to get them to understand small strips costs us more time which in turn costs more money. Our management never got it so we had to think of ways around it.
