!%Zygo Corp.%! of Middlefield, Conn., a high-precision optical components and optical metrology instruments provider, has announced that it will buy ASML US Inc.’s optics facility in Richmond, Calif., for between $7 million and $10 million. Zygo will expand its optical manufacturing capabilities considerably with the addition of high-precision optical machining and polishing equipment, aspheric lens manufacturing and diamond turning assets, the company said. It also expects to hire key management and other employees of !%1165%%ASML Optics%! Richmond, a 60,000-sq-ft facility.