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Materials Knowledge
High Tg PCB Fabrication and RFQ Specification Guide
High Tg materials improve thermal-mechanical reliability, but they also change the fabrication window. Drilling, desmear, lamination, plated hole reliability, moisture
2026-06-05
Materials Knowledge
High Tg PCB Material Selection Guide
Standard FR4 has a glass transition temperature (Tg) of 130–140°C, measured by TMA. Below that threshold, the resin behaves like
2026-06-04
Materials Knowledge
When Standard FR4 Becomes a Reliability Risk in Lead-Free Reflow
Lead-free soldering has been the industry standard for nearly two decades. Since the RoHS directive reshaped electronics manufacturing, SAC305 has
2026-06-04
Materials Knowledge
What Is FR4 PCB? Material Properties Explained
FR4 is the material most printed circuit boards are made of, yet it is also the material most often left
2026-06-02