MYK Mykrolis Corp

Shanghai Blue Light Selects Aeronex(R) Gas Purification System Hydrogen Purification System to be used in LED Manufacturing Process; Mykrolis Expands Presence in Emerging China Market BILLERICA, Mass., Nov. 22 /PRNewswire-FirstCall/ -- Mykrolis Corporation (NYSE:MYK), a leading supplier of components and subsystems to the semiconductor industry, today announced it has shipped an Aeronex(R) Gas Purification System to the main production facility of Shanghai Blue Light Technology, a leading light-emitting diodes (LED) manufacturer, located in Shanghai, China. The Aeronex EGPS8 H Series for hydrogen purification will be installed on a metal organic chemical vapor deposition (MOVCD) system for gallium nitride-based LEDs in late 2004. The system will be used for the expansion of Shanghai Blue Light's LED manufacturing lines later this year and for research and development. "Mykrolis has developed a cost-effective system that can remove harmful contaminants in this application," said Jay Hamidi, manager of the gas microcontamination control business at Mykrolis. "We are pleased that a major LED manufacturer such as Shanghai Blue Light has selected our purification system. Their decision to use it for the pilot production of LEDs is another example of our strong momentum in the emerging Chinese LED market." "After careful evaluation of gas purification systems, we were impressed with the leading edge technology in the Aeronex Gas Purification System and its lower cost-of-ownership," said James Dong, vice president, Shanghai Blue Light. "We are confident this purification system will address the recurring challenges involved in the removal of harmful contaminants throughout the LED manufacturing process." Aeronex Gas Purification Systems are dual-bed and self-regenerating, and they deliver a continuous supply of pure gas while utilizing Aeronex ambient temperature purification technology. They operate at a low-pressure drop, and offer a lower cost-of-ownership than palladium cells. The stand-alone systems feature a user-friendly, touch-screen PC and may be configured to order with multiple options such as a breakthrough indicator, manual or automatic bypass valves. Aeronex systems have been proven to remove contaminants to sub-ppb (part-per-billion) levels, with some to ppt (part-per-trillion) levels, needed to purge contaminants and protect the process. They are available in several different gas series to generate ultra high purity H2, NH3, and inert gases. About Mykrolis Mykrolis Corporation, based in Billerica, Massachusetts, is a worldwide developer, manufacturer and supplier of liquid and gas delivery systems, components and consumables used to precisely measure, deliver, control and purify the process liquids, gases and chemicals, as well as the deionized water, photoresists and vacuum systems utilized in the semiconductor manufacturing process. In addition, the Company's products are used to manufacture a range of other products, such as flat panel displays, high purity chemicals, photoresists, solar cells, gas lasers, optical disks and fiber optic cables. Mykrolis acquired the assets of Aeronex Corporation in October 2003. Mykrolis is formerly Millipore Microelectronics, Inc. For more information, visit http://www.mykrolis.com/. Aeronex and Mykrolis are registered trademarks of Mykrolis. Mykrolis logo is a trademark of Mykrolis Corporation. CONTACT: Craig Lazinsky Mykrolis Corporation Tel. 978-436-6743 DATASOURCE: Mykrolis Corporation CONTACT: Craig Lazinsky of Mykrolis Corporation, +1-978-436-6743, Web site: http://www.mykrolis.com/

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