RF PCB stands for Radio Frequency Printed Circuit Board. It refers to a type of printed circuit board specifically designed for high-frequency electronic applications, such as wireless communication, radar systems, microwave devices, and other RF (Radio Frequency) applications. RF PCBs are engineered to have precise impedance control, minimal signal loss, and reduced electromagnetic interference a...

As a commonly used electronic manufacturing material, the thermal expansion coefficient of fr4 substrate is an important performance indicator. In this article, the thermal expansion coefficient of FR4 substrate will be discussed in detail to reveal the principle and application behind it. 1. Fr4 substrate concept FR4 substrate is a commonly used glass fibre reinforced epoxy resin material that ha...