Zygo Receives Major System Orders for High Performance Optical Metrology Systems

MIDDLEFIELD, CT — (Marketwire) — 08/31/11 — Zygo Corporation (NASDAQ: ZIGO), a worldwide supplier of optical metrology instruments and high precision optical systems, today announced the receipt of orders valued at more than $6 million for high performance metrology systems from two leading Chinese optical research and manufacturing organizations. The orders consist of large aperture interferometers and associated reference optics that enable precise measurements of spherical optics greater