hairclave1 – https://www.hemeixinpcb.com/company/news/what-is-dielectric-constant.html

what are dielectric constants is the structure of almost every contemporary electronic product, from sensors and smartphones to power supplies, medical devices, aerospace modules, and industrial controls. Whether people call it a motherboard, printed circuit board, electronic circuit card, or pcb motherboard, the concept is the exact same: a very carefully crafted platform that connects components and permits electricity to move in controlled, trustworthy methods. If you have ever asked what is a circuit card, what does a circuit card do, or what are motherboard made from, the answer begins with materials, assembly, fabrication, and design working together as one system..