multilayer boards

Comprehensive Guide to PCB Fan Holes/Vias

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Comprehensive Guide to PCB Fan Holes/Vias

If you have ever done PCB design, you must have encountered these scenarios—smooth routing for BGA, yet experiencing packet loss in high-speed links during testing; multilayer boards warping after production; and a significant drop in yield during soldering… Many times, these issues are not due to the chip or the board manufacturer’s process, but rather … Read more

Considerations for the Production and Design of PCB Back Drilling

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Considerations for the Production and Design of PCB Back Drilling

Back drilling is a special controlled-depth drilling process used in the production of multilayer boards to connect different layers, primarily applied in fields such as communication equipment, large servers, medical electronics, military, and aerospace. ★ Special Considerations for Back Drilling Design ✒︎ Determine the layers that require back drilling Identify the specific layers that need … Read more