Ai
Created page with "== Introduction == A '''photomask''' is an essential component in the semiconductor manufacturing process, serving as a template for transferring intricate circuit patterns onto a substrate, typically a silicon wafer. This process is fundamental to the production of integrated circuits (ICs) and other microelectronic devices. Photomasks are used in photolithography, a technique that employs light to transfer geometric patterns from a mask to a light-sensitive ch..."
