Printed Circuit Board Assembly & PCB Design Forum
SMT electronics assembly manufacturing forum.
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hi,
I have a big problem with soldering uP QFP144 package...
- Sep 05, 2007
by
iv40
Questions are:
* Do not judge the quality of a solder conne...
- Sep 05, 2007
by
davef
Hi,
the solder on the pad is not molt.Temperature of the le...
- Sep 10, 2007
by
iv40
How are you attaching your thermocouples to measure the temp...
- Sep 10, 2007
by
Steve Thomas
HOW did you change the temp? Stay that course till you achi...
- Sep 11, 2007
by
Hussman
switch pastes and see what happens, Kester had issues with t...
- Sep 13, 2007
by
RDR
should have ask the technical support personnel from Kester ...
- Sep 13, 2007
by
Wayne
you using a ramp soak spike or ramp to spike profile? you m...
- Sep 14, 2007
by
RDR
What is the surface finished of your board and what is the p...
- Sep 14, 2007
by
sjcdcheu
Hi,
I attach the termocouples with high temperature solde...
- Sep 15, 2007
by
iv40
220 should be plenty although if they're lead free you might...
- Sep 15, 2007
by
Steve Thomas
hi,
finishing is lead free HAL, Tpeak=214-232*C in difere...
- Sep 17, 2007
by
iv40
Hi,
we change Kester with Interflux and a...
- Sep 25, 2007
by
iv40