Electronics Forum: tombstones 01005 (Page 1 of 1)

01005 components and reflow profiles

Electronics Forum | Mon Apr 09 20:55:46 EDT 2012 | action_101

I forgot to add that we are using a 3 mil stencil. It seems like to me that may be there isn't enough flux left when we reach liquidous?? About half of the solder spheres do melt and wet on each pad, but the top half of each solder joint is just the

01005 Qualifications - Lead Free

Electronics Forum | Thu Feb 13 03:49:15 EST 2014 | jlawson

Yes all above is correct, as solder deposits get smaller and mesh T4+ , actual metal to air contact surface area increases , say in contrast to T3, add to this less flux , and flux running away from the joint, re-oxidation and what flux is left, can


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