FR4 Rigid Circuits: Essential Components in Modern Electronics
FR4 rigid circuits are a critical part of the electronics manufacturing process, widely used in various industries due to their durability, reliability, and cost-effectiveness. Whether for consumer electronics, automotive, medical devices, or industrial equipment, FR4 circuit boards are among the most common and versatile choices available today. What Are FR4 Rigid Circuits? : FR4Rigid Circuits FR4 is a type of material used to create rigid printed circuit boards (PCBs). It stands for Fiberglass Reinforced Epoxy , where the "FR" denotes flame retardancy, and "4" indicates the grade of the material according to its characteristics. FR4 is the most commonly used material in PCB fabrication because of its ideal balance of mechanical strength, electrical insulation, and heat resistance. In an FR4 rigid circuit, the circuit is made by embedding conductive traces within an epoxy resin that is reinforced with woven fiberglass. This combination of fiberglass and epoxy g...