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News Release
January 10, 2007

Zygo Corporation Announces Verifire Asphere™ Metrology Tool
MIDDLEFIELD, CT, Jan 10, 2007 (MARKET WIRE via COMTEX News Network) -- Zygo Corporation (NASDAQ: ZIGO), a leading worldwide optical metrology supplier, today announced the release of its new Verifire Asphere™ interferometer for the measurement of aspheric shaped surfaces.

The Verifire Asphere™ targets production metrology of injection-molded, diamond-turned, and machine-polished aspheres. The Verifire™ provides automated alignment, acquisition, and analysis for flexible set up, rapid throughput and low cost of ownership. The instrument utilizes patented software algorithms combined with ZYGO's Fizeau and displacement interferometry for high accuracy. ZYGO will demonstrate the Verifire Asphere™ at the Photonics West exhibition in San Jose, California, from January 23-25, 2007.

Jim Northup, President of ZYGO's Metrology Division, commented, "Aspheres are a key component in the production of smaller and lighter optical assemblies for use in a variety of markets, including commercial electronics, ophthalmic, and aerospace and defense applications. The growth in these industries combined with the trend toward producing higher performance optics and optical assemblies will increase the demand for more precision aspheric metrology equipment. ZYGO is pleased to be at the forefront of this dynamic market with this new versatile aspheric metrology tool."

Zygo Corporation is a worldwide supplier of optical metrology instruments, precision optics, and electro-optical design and manufacturing services, serving customers in the semiconductor capital equipment and industrial markets.

All statements other than statements of historical fact included in this news release regarding our financial position, business strategy, plans, anticipated growth rates, and objectives of management of the Company for future operations are forward-looking statements. Forward-looking statements are intended to provide management's current expectations or plans for the future operating and financial performance of the Company based upon information currently available and assumptions currently believed to be valid. Forward-looking statements can be identified by the use of words such as "anticipate," "believe," "estimate," "expect," "intend," "plans," "strategy," "project," and other words of similar meaning in connection with a discussion of future operating or financial performance. Actual results could differ materially from those contemplated by the forward-looking statements as a result of certain factors. Among the important factors that could cause actual events to differ materially from those in the forward-looking statements are fluctuations in capital spending of our customers, fluctuations in net sales to our major customer, manufacturing and supplier risks, dependence on and timing of new product development, rapid technological and market change, risks in international operations, dependence on proprietary technology and key personnel, length of the sales cycle, environmental regulations, and fluctuations in our stock price. Further information on potential factors that could affect Zygo Corporation's business is described in our reports on file with the Securities and Exchange Commission, including our Form 10-K, for the fiscal year ended June 30, 2006.

For Further Information Call:
Walter A. Shephard
Vice President Finance, CFO, and Treasurer
Voice: 860-704-3955
Contact via http://www.marketwire.com/mw/emailprcntct?id=2BA3D210FEA7B44D

SOURCE: Zygo Corporation



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