Photronics Inc is a U.S.-based company that is principally engaged in manufacturing photomasks. The photomasks are photographic quartz 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 worldwide, including in the United States, Europe, Taiwan, Korea, China, and elsewhere in Asia, with Taiwan contributing the majority of total revenue.