MQFP soldering issues

2017/2/2 5:08:37

I got this MQFP-144 and the soldering looks always very flimsy.

I think I use a suitable leaded paste (water-soluble) and the stencil thickness is also OK. The IC on the image looks a bit shifted, that's not the problem. The problem is rather that the pins don't look well connected and the solder isn't really running up the pins.

Any out of the head advise for me?

c.sirb

2017/2/4 5:08:37

A good piece of info for learning.

Dana

2017/2/4 5:08:37

Really appreciate your content. It quite benefits my learning and it has solved my puzzles completely. Thanks.

don_peter

2017/2/4 5:08:37

Many thanks. Your idea is very valuable. Will certainly share this post with my pals.

MQFP soldering issues

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