日: 2025年2月25日

FR4: Understanding the Material and Its Applications in PCB Design

FR4, often called “fiberglass,” quietly underpins our daily lives. Think about your electronics, from smartphones to car and appliance circuit boards. FR4 is the unsung hero behind the scenes, making them work smoothly and power our modern world. Introduction In our increasingly interconnected world, electronic devices play a pivotal role in our daily lives. Imagine your smartphone, for instance, powering up seamlessly, connecting you with the world, and remaining cool to the touch even during prolonged use. This level of performance and safety is made possible by a remarkable material: FR4. FR4 is more than just a substrate; a flame-resistant shield that  ensures your device’s safety even when things get […]