Electronics Forum | Thu Apr 15 16:07:37 EDT 2004 | barry
Hi there all, we are having problems with 2 qfp devices. grainy poorly reflowed solder joints. One 100 pin .5mm pitch, and one 64 pin .5 mm pitch . Both of these devices have a thermo pad on the back of them (pad area soldered to back of device)which
Electronics Forum | Tue Apr 10 09:28:54 EDT 2012 | davef
Here's information from Bob's ppm site ... ||Screen Printing||Component Placement||Reflow Soldering||Wave Soldering May ‘02||730||15020||448||18251 June ‘02||569||7103||678||3366 July ‘02||3977||2998||1227||3736 August ‘02||1430||1229||108||4314 Sep
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