PROVIDENCE, RI--(Marketwired - Feb 17, 2016) - Meller Optics, Inc. has introduced a line of sapphire and ruby balls which can be precision ground into lenses featuring short focal lengths for micro ...
PROVIDENCE, R.I., May 6, 2025 /PRNewswire/ -- A line of miniature sapphire and ruby balls for a wide range of applications including precision bearings, valves, stylus tips, fiber-optic and optical ...
(MENAFN- PR Newswire) Meller Sapphire & Ruby Balls are offered in 42 inch and metric sizes from 0.1 mm to 0.5" dia. with 0.000025" sphericity and ±0.0001" basic diameter tolerance and feature Mohs 9 ...
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