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Ask the Experts Index |
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Jan 21, 2026 HASL Surface Finish and Coplanarity We are an EMS contractor. We have a customer that has requested a PCB with HASL surface finish. ... T.Y. Jan 20, 2026 Dam & Fill vs. Conformal Coating Are there any special reasons or advantages to use Dam & Fill compared to conformal coating? Is Dam ... C.M. Jan 19, 2026 Mixed MSL Baking If the highest MSL-rated component on a PCB had a 27-hour bake time at 125C (1.4-2.0mm, MSL 3) ... B.B. Jan 16, 2026 Automatic Insertion Causing Plated Hole Damage During the automatic insertion of 2 pin components, and after clinching the pins, we encounter a small deformation ... M.C. Jan 15, 2026 MSD Components Baked Too Long If MSD components are baked for more time than specified in J Std, can this cause potential failures ... V.S. Jan 14, 2026 Adhesion Problems with Conformal Coating We have a large RF back plane that is gold plated on the operational side. We are having ... T.A. Jan 13, 2026 Reliability of Automated Soldering vs. Hand Soldering On occasion, we have had to place a skip in our SMT placement machine due to unavailability of ... P.K. Jan 12, 2026 Frequency of Checking Solder Paste Viscosity Is it necessary to check viscosity of solder paste before each use? How often should we check and ... K.G. Jan 9, 2026 Challenging Cleaning Problem We are designing an ECG monitor that uses an embedded phone-modem LGA module. This phone modem is shielded, ... F.W. Jan 8, 2026 Profiling for Double Sided BGA We are about to produce double sided BGA boards - BGA components on both sides. What advice would ... B.O. |
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