Date: 2016-08-12

Meller Optics Sapphire Precision Balls Offered in 42 Inch and Metric Sizes

PROVIDENCE, RI--(Marketwired - Nov 11, 2014) - Meller Optics, Inc. supplies a full line of sapphire balls and ruby balls for a wide range of applications requiring precise tolerances and superior mechanical and optical properties.


Meller Sapphire & Ruby Balls are second only to diamond in terms of hardness and come in 42 inch/metric …

Meller Sapphire & Ruby Balls come in 42 inch/metric sizes from 0.1 mm to 0.5" dia. with 0.000025" sphericity and ±0.0001" basic diameter tolerance. Featuring Moh 9 hardness which is second only to diamond, they have surface finishes to 80-20 scratch-dig, are impervious to most chemicals, solvents, and detergents and have a 2,000°C melting point.

Now available A/R coated, Meller Sapphire & Ruby Balls can be precision ground into plano-convex lenses and provide 85 to 98% typical transmission, depending upon configuration. They are suitable for use in fine instruments and medical devices as ball and roller bearings, spacers, check valves, piston valve seats, stylus tips, and fiberoptic or endoscopic lens systems.

Meller Sapphire & Ruby Balls are priced according to material, size, and quantity; delivered from stock. Samples and price quotations are available upon request.

About Meller Optics, Inc.

Founded in 1921, Meller Optics has been providing high quality optics to defense, medical, laser, and industrial markets for 90 years now. Specializing in the grinding and polishing of hard, durable materials such as sapphire and ruby, the company has also developed high-speed, low-cost finishing processes for a variety of optical materials such as laser glasses, fused silica, zinc selenide, germanium, silicon, fluorides, and ceramic materials. Configurations include windows, substrates, lenses, domes, and prisms.

Meller Optics is ISO 9001:2008 certified and in addition to providing standard, off-the-shelf products, they custom fabricate components that meet exacting specifications from delicate, difficult to work with optical materials. They also supply quality Microlux Alumina polishing abrasives and Gugolz optical polishing pitch.

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