What is a 4-Layer PCB? Understanding Four-Layer, Single-Step Printed Circuit Boards
Introduction to Multi-Layer PCBs Printed Circuit Boards (PCBs) form the backbone of modern electronics, providing the physical platform for component mounting and electrical connections between parts. As electronic devices have become more complex while shrinking in size, the demand for multi-layer PCBs has grown exponentially. Among these, the 4-layer PCB has emerged as one of…















