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Oct 22, 2021 Components Falling Off During Reflow Can excessive solder paste volume contribute to components falling off the bottom of the circuit board during topside ... L.W. Oct 21, 2021 Exposed Copper Risk We received many PCB's where a modification have been completed. The modification involved soldering a chip cap to ... A.H. Oct 20, 2021 ESD Grounding - 1 Meg Ohm Resistor Why do we need to use a 1 meg-ohm resistor for ESD grounding? ... R.R. Oct 19, 2021 Solder Paste Life on the Stencil Our solder paste has a specified life for exposure on the stencil at 10 hours. We run our ... S.S. Oct 18, 2021 ESD and Humidification In the handling of circuit board assemblies placing them into systems, is ambient air humidification necessary if other ... B.K. Oct 15, 2021 Water Wash vs. No-clean How do we decide whether to choose a water wash process, or a no-clean process, for a contract ... J.M. Oct 14, 2021 Dam & Fill vs. Conformal Coating Are there any special reasons or advantages to use Dam & Fill compared to conformal coating? Is Dam ... C.M. Oct 13, 2021 Solder Joint Blow Holes After switching our PCB finish from Pb free HASL to ENIG, blow holes started occurring in the solder ... C.S. Oct 12, 2021 Conformal Coating Bubbles We use a conformal coating house whose workmanship is beginning to display a ton of bubbles around the ... C.H. Oct 11, 2021 What Causes Component Rotation During Reflow? We are using a large 2 pin SMT inductor. During reflow soldering it rotates almost 30 degree. We ... S.S. |
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