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Ultra-High Purity Alumina suits semiconductor applications.

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July 29, 2008 - PlasmaPure(TM)-UC Alumina offers extreme purity (99.9%) critical for semiconductor, electronic, and optical industries. Able to extend component life and reduce contamination, ultra-high-purity ceramic material exhibits etch resistance in corrosive chemistries, minimal sodium content, and dielectric loss tangent under 0.00002. Fine-grained material also exhibits corrosion resistance and minimal sodium content.

CoorsTek Introduces PlasmaPure-UC(TM) Ultra-Pure Alumina

(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)

16000 Table Mountain Pkwy.
Golden, CO, 80403

Press release date: July 15, 2008

New ultra-pure version of PlasmaPure(TM) Alumina offers extreme purity (99.9%) critical for semiconductor, electronic, and optical industries

SAN FRANCISCO, July 15 -- Semicon West 2008 -- Today, CoorsTek officially released its newest ultra-high-purity ceramic material designed specifically for extreme-duty semiconductor applications.

In addition to the material's exceptionally high purity, PlasmaPure-UC alumina offers high etch resistance in corrosive chemistries, very low sodium content, and an extremely low dielectric loss tangent of <0.00002. The fine-grained material also boasts four times better corrosion resistance and six times lower sodium content than competitive alumina materials.

"Outstanding material property data and very positive customer trials have proven the material quite effective at extending component life and greatly reducing contamination," said Mark Petty, Executive Vice President of CoorsTek, Inc. "This material is an excellent example of the advanced capabilities offered by our Specialty Materials Center, announced last year," he continued.

More about CoorsTek

CoorsTek is the largest technical ceramics manufacturer in North America and has facilities in Europe and Asia. From over 20 state-of-the-art manufacturing facilities, CoorsTek supplies critical components and assemblies for medical, automotive, semiconductor, aerospace, electronic, power generation, telecommunication, and other high-technology applications. Utilizing advanced material technologies, the company's engineered solutions enable its customers' products to overcome technological barriers and improve performance. For more information about CoorsTek, please visit the Company's website at

For more information about PlasmaPure-UC high-purity alumina Click on the link below for a PDF of the brochure: (488 KB, 2 pages)

CoorsTek, and Amazing Solutions are registered trademarks of CoorsTek, Inc.

PlasmaPure is a trademark of CoorsTek, Inc.

Product Contact: Randel Mercer T: 408.981.0834 F: 303.277.4779
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