Sapphire Windows withstand pressures to 10,000 psi.
June 4, 2004 - Custom fabricated windows, used as viewports, protective covers, and front surface optics, are suitable for use in hostile environments. Moh 9 surface hardness provides optimal abrasion resistance, and construction is impervious to water, acids, alkalis, and harsh chemicals to 1,000C. Available in sizes from –10 in. dia, with thicknesses from mm to 1 in., windows can be fabricated with flatness held to 0.5 fringes of HeNe and parallelism from 20–2 arc/sec.
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Original Press release
Meller Optics, Inc.
120 Corliss St.
Providence, RI, 02940
USA
Sapphire Windows Withstand High Pressures
Custom fabricated and highly durable sapphire windows for use as viewports, protective covers, and front surface optics in hostile environments are available from Meller Optics, Inc. of Providence, Rhode Island.
Meller Sapphire Windows feature Moh 9 surface hardness for optimum abrasion resistance and a 3” dia. by ” thick window, for example, can withstand pressures up to 10,000 psi. Manufactured to specification, these windows are second only to diamond in terms of hardness and are impervious to water, most acids, alkalis, and harsh chemicals to approx. 1,000C.
Available in sizes from ” to 10” dia. And mm to 1” thick, Meller Sapphire Windows can be fabricated with flatness held to 0.5 fringes of HeNe and parallelism from 20 to 2 arc/secs. with 1.2 microns piece-to-piece thickness uniformity per lot. Coated windows are ideal for use as viewports in furnaces and general high-pressure and vacuum environments.
Meller Sapphire Windows are priced according to size and quantity. Literature and price quotations are available upon request.
For more information contact:
Meller Optics, Inc.
Steve Lydon, Marketing
120 Corliss St. / P. O. Box 6001
Providence, RI 02940
(800) 821-0180 FAX (401) 331-0519
e-mail: sales@melleroptics.com
www.melleroptics.com
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