Photronics Inc is a U.S.-based company that is principally engaged in manufacturing photomasks. The photomasks are photographic quartz or glass plates that contain microscopic images of electronic circuits that are used as a component in the manufacture of integrated circuits and flat-panel displays. The revenue from products designed for integrated circuits production accounts for the majority of total revenue, with the rest derived from products for flat-panel display production. The company's assets are located in Taiwan, Korea, and the United States. It generates revenue world-wide, including in the United States, Europe, Taiwan, Korea, China, and elsewhere in Asia, with Taiwan contributing the majority of total revenue.