Printed Circuit Board Assembly & PCB Design Forum
SMT electronics assembly manufacturing forum.
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Hi, we are experiencing insufficient solder and bridging so...
- Nov 10, 2017
by
myke_SMT
Just a few thoughts, as we use similar quite frequently with...
- Nov 13, 2017
by
PhilC
IMO – Look into nano-coatings for your stencil and radius ...
- Nov 15, 2017
by
Russfrom NH
Hello. We have a problem with QFN type. Component is elevate...
- Dec 01, 2017
by
Marks
It seems that it will work with 5 mil stencil. To be safe us...
- Dec 01, 2017
by
Evtimov
Stencil thickness is 4 mil. Via's are plugging from bottom.
...
- Dec 01, 2017
by
Marks
Brikainis,
it looks like these vias are not plated and cl...
- Dec 01, 2017
by
Evtimov
EMIL,
The first stencil was with 4 squares. then there wa...
- Dec 01, 2017
by
Marks
Very interesting pictures. It shows paste height of 200um - ...
- Dec 01, 2017
by
Evtimov
How about step down in the middle of thermo pad?
I mean 0.0...
- Dec 01, 2017
by
Marks
Rework said that with hot air gun, heated the solder paste c...
- Dec 01, 2017
by
Marks
I am not sure that is doable. Ground Aperture is very small(...
- Dec 01, 2017
by
Evtimov
Recommended land and solder pattern says:
VIA wall plating,...
- Dec 01, 2017
by
Marks
Have you ever heard of "Solder Mask Defined Thermal Pads"?
...
- Dec 02, 2017
by
Tom Hausherr
A new stencil has been purchased. to be continued.
...
- Dec 04, 2017
by
Marks