A full line of miniature high-precision sapphire and ruby balls for use in instruments, metering equipment, and other precision mechanisms where low friction bearings, long-life, and dimensional accuracy are important have been introduced by Meller Optics, Inc. of Providence, Rhode Island. Meller Sapphire and Ruby Balls are single crystal materials with zero porosity, that are […]
Tag Archives: ruby
A full line of highly spherical sapphire and ruby balls with precise surface finishes for applications requiring superior hardness and chemical resistance are available from Meller Optics, Inc. of Providence, RI. Meller Sapphire and Ruby Balls feature Mohs 9 hardness which is second only to diamond and are impervious to most chemicals, solvents and detergents. […]
A full line of sapphire and ruby balls for use as ball check valves, stylus tips, fiberoptic and endoscope lens systems that can now be supplied with a calibration certificate validating diameter and sphericity is being introduced by Meller Optics, Inc. of Providence, Rhode Island. Meller Sapphire and Ruby Balls feature Mohs 9 hardness which […]