Wikipedia
Cymer
Cymer, LLC., an ASML company, is an American company headquartered in San Diego, California. Cymer is the largest supplier of deep ultraviolet (DUV) light sources used by chipmakers to pattern advanced semiconductor chips or integrated circuits.
Cymer is currently developing next-generation laser-produced plasma extreme ultraviolet (EUV) light sources.
As of October 2012, it was announced that Cymer would be acquired by Dutch semiconductor equipment manufacturer ASML. The acquisition closed in May 2013.