FREMONT, CA -- (MARKET WIRE) -- 04/30/07 -- CSD Epitaxy Inc. (CSD
Epitaxy), a global provider of epitaxial processing equipment, announced the recent delivery of the EpiPro(TM) production systems to ON Semiconductor (NASDAQ: ONNN), a leading global supplier of power semiconductor solutions.

"CSD Epitaxy has been a supplier of epitaxial (EPI) systems to ON
Semiconductor's substrate manufacturing factory in the Czech Republic," said Michael Mandracchia, vice president and general manager of ON Semiconductor Czech Republic and Slovakia. "The addition of CSD's EpiPro(TM) production system is part of the general ongoing expansion of our manufacturing capabilities in the Czech Republic."

"The EpiPro system provides ON Semiconductor a superior production epitaxy solution of critical importance in the manufacture of their high voltage discrete, power and analog IC products," said Andrew Goode, president and chief executive officer of CSD Epitaxy.
"Supported by our technical expertise and superior customer service,
CSD Epitaxy will continue to assist ON Semiconductor with the efficient production of top-quality silicon-based products and help minimize their time-to-market."

In related news, CSD Epitaxy announced that the company has reached an agreement for representation in Japan. Industrial Systems Section of Marubeni Corporation is a leading sales and service organization specializing in processing and metrology equipment for the semiconductor industry.

About CSD Epitaxy
CSD Epitaxy Ltd is a leading global supplier of epitaxy processing
equipment and technical support services. Manufacturing headquarters
are located in Fremont, CA, with a comprehensive sales and support
network in Europe, USA, Japan, Korea, and China. For more
information, contact CSD Epitaxy Inc.

About ON Semiconductor
With its global logistics network and strong portfolio of power
semiconductor devices, ON Semiconductor (NASDAQ: ONNN) is a preferred
supplier of power solutions to engineers, purchasing professionals,
distributors and contract manufacturers in the power supply,
computer, consumer, portable/wireless, automotive and industrial
markets. For more information, contact ON Semiconductor, 5005 East
McDowell Road, Phoenix, Arizona 85008, USA. Telephone: +1 602 244
6600. Internet: www.onsemi.com.

Company Contact:
Donald Yoshikawa
CSD Epitaxy, Inc.
Phone: +1-510-360-0061
Fax: +1-510-360-0064
Email: sales@csd-epi.com