OAC Incorporated is a subsidiary of ORC Manufacturing Co., Ltd. , Japan. ORC is one of the world's leaders in manufacturing of UV Exposure, Semiconductor and LCD manufacturing equipment. In addition, ORC has been "supplying industry with light" for over a half of century as a manufacture of specialized light sources. Their leading edge optoelectronics technologies, products and systems play major roles in the fields of semiconductor, nanotechnology, liquid crystal display and printed circuitry. ORC also manufactures power supplies, integration units, irradiance meters, lamp houses and complete sub-assemblies for various UV applications.