Cymer, Inc., together with its subsidiaries, engages in the development, manufacture, and marketing of light sources for the manufacturers of photolithography tools in the semiconductor equipment industry. It designs, manufactures, and sells light sources and installed base products for use in photolithography systems used in the manufacture of semiconductors. The company provides installed base products in support of chipmaker customers, who use company s light sources in their advanced wafer patterning production processes. It also offers support products for its installed base of light sources to the lithography tool manufacturers, as well as directly to chipmakers, which include semiconductor manufacturers. The company sells its products primarily in Europe, South Korea, Japan, Taiwan, the United States, and other Asian countries. Cymer, Inc. was founded in 1986 and is headquartered in San Diego, California.