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Ask the Experts Index |
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Dec 20, 2024 Double Sided Reflow for Micro BGA Components What is the best way to process a 30 mil FR406 circuit board assembly that has micro BGAs ... M.K. Dec 19, 2024 Transfer Efficiency Greater Than 100% While I understand the concept of transfer efficiency and its relationship to solder paste volume, is it possible ... A.L. Dec 17, 2024 Pin in Paste Solder Dropping Can someone help me with Pin in Paste to eliminate solder dropping during reflow process. I have tried ... K.S. Dec 16, 2024 Dam & Fill vs. Conformal Coating Are there any special reasons or advantages to use Dam & Fill compared to conformal coating? Is Dam ... C.M. Dec 13, 2024 Extending Shelf Life for Jars of Solder Paste We have a few unopened jars of solder paste that have just recently gone past the posted expiration ... Y.S. Dec 12, 2024 How to Re-qualify BGA Spheres What procedure would you recommend to "re-qualify" a lot of BGA spheres. We keep our spheres in a ... J.D. Dec 11, 2024 No-Clean Flux Residue After Selective Soldering After selective soldering connectors there is a small amount of no-clean flux residue left behind. This minimal amount ... S.T. Dec 10, 2024 Frequency of Temperature and Relative Humidity Tracking We have constant monitoring devices for temperature / relative humidity and are recording in our work/assembly areas. Is ... B.S. Dec 9, 2024 Dendritic Growth and Contamination at BGA Sites We have 180 assemblies where our subcontractor replaced five BGA memory devices. Unfortunately they utilized active flux and ... R.D. Dec 6, 2024 Removal of Coatings from PCBs What the best way to remove coatings from assembled PCBs. Can you point me to some type of ... C.M. |
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