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Ask the Experts Index |
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Nov 11, 2025 BGA Solder Ball Shelf Life I believe BGA Solder Balls are a homogeneous mass of metals, why is the shelf life only two ... V.P. Nov 10, 2025 A Generic Reflow Profile We have a wide mix of PCB assembly types. Some folks here are proposing that we use the ... G.S. Nov 7, 2025 Soldering Components with Silver Pads We need to attach a component to a PCB. The component has silver pads. Our normal process is ... O.A. Nov 6, 2025 Channels To Reduce Voids in Large Pads At our facility we have devices with large pads (D2PAK for example) that have had voids visible through ... A.U. Nov 5, 2025 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. Nov 4, 2025 Seeking Advise for a Solder Reflow Recipe I have a new product coming in and need some ideas on reflow recipe creation. The pcb has ... W.K. Nov 3, 2025 Wet Based Stencil Cleaning or Dry Wipe Stencil Cleaning For automatic under-stencil cleaning there are many cleaning methods including dry vacuum cleaning, and wet dry vacuum cleaning. ... S.A Oct 31, 2025 Acceptability Standard for Plated Hole Barrel Fill We are increasingly required to place devices with mixed pin technology having both surface mount and through hole ... M.E. Oct 29, 2025 Solder Paste Past Shelf Life We have some solder paste that has been in a sealed box at 4degree Celsius for more than ... G.H. Oct 28, 2025 Recommended Fiducial Shape Is there a recommended fiducial shape for HASL finish boards that will minimize solder pooling on the fiducial ... J.M. |
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