Multilayer PCB Photolithography Process: A Comprehensive Guide
Abstract The photolithography process is a critical step in the fabrication of multilayer printed circuit boards (PCBs). It enables the precise transfer of circuit patterns onto copper-clad substrates, ensuring high-density interconnects and reliable performance in modern electronics. This article explores the photolithography process for multilayer PCBs, covering key steps, materials, challenges, and advancements in the…















