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Jun 24, 2021
Recommended Solder Paste Aperture Configuration
What aperture shape/configuration do you recommend with our solder paste stencils for 008004 and 01005 pad sizes? ...
T.G.

Jun 23, 2021
Circuit Board Bow and Twist
Board flexing has recently started to occur on one of our circuit board assemblies. This assembly has a ...
A.M.

Jun 22, 2021
Calculating PCB Hole Diameters
Our bare boards are typically .065" thick. How can we calculate the hole diameter for connector pins if ...
P.N.

Jun 21, 2021
Question About J-STD-001
We have a requirement to conformal coat a PCB assembly that is processed using a no clean flux. ...
R.S.

Jun 18, 2021
Recommended Fiducial Shape
Is there a recommended fiducial shape for HASL finish boards that will minimize solder pooling on the fiducial ...
J.M.

Jun 17, 2021
LED Component Shift During Reflow
What can be the root cause of SMT LED Component Shift during reflow? See the photo. ...
M.M.

Jun 16, 2021
Double sided SMT
Can you provide some process pointers on soldering 2 sided SMT? ...
Bernie Irving

Jun 15, 2021
Is lead contamination during cleaning of PB-free stencils possible?
We have a stencil cleaner used for cleaning both Pb-free and SnPb stencils and misprint boards. We use ...
H.N.

Jun 14, 2021
BGA re-balling process
Can you recommend a process or semi-automatic machine for re-balling BGA's? Is there a process or system available ...
J.S.

Jun 11, 2021
Using Solder Paste Beyond the Expiration Date
We assembled a batch of PCBs using a water soluble paste that was beyond the expiration date. After ...
H.K.

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