Miniature Sapphire/Ruby Balls
PROVIDENCE, R.I., June 7, 2010 — Miniature precision sapphire and ruby balls for use in medical and chemical pumps as check and metering valves, as ball and roller bearings, and as endoscope lenses and stylus tips are available from Meller Optics Inc.
They are second only to diamond in hardness to provide good wear resistance, have a 2000 °C melting point, and are impervious to most chemicals, solvents, and detergents. Suitable for applications in medical devices and instruments, these miniature precision balls are...
Meller Optics Inc.