HEIDENHAIN develops and manufactures linear encoders, angular encoders, rotary encoders, digital readouts and numerical controls. The company delivers its products to manufacturers of machine tools and manufacturers of automated facilities and machines, especially for semiconductor and electronics manufacturing. Its competence in the area of linear and angular metrology is reflected by a large number of customized solutions for users. These include in particular the measuring and inspection devices developed and built for many of the world's standards laboratories, as well as angle encoders for various telescope projects and satellite receiving antennas. Heidenhain Corporation is a wholly owned subsidiary of Dr. JOHANNES HEIDENHAIN GmbH. Headquartered in Schaumburg, Ill., HEIDENHAIN maintains sales, service, training for distributors and customers and manufacturing at the same facility.