Razor technology
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United States of America Patent
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Aug 3, 1993
Grant Date -
N/A
app pub date -
Jun 24, 1991
filing date -
Jun 24, 1991
priority date (Note) -
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status (Latency Note)
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Abstract
A razor blade includes a substrate with a wedge-shaped edge, a layer of molybdenum on the tip and flanks of the wedge-shaped edge, the thickness of the molybdenum layer preferably being in the range of about 50-500 angstroms, and a layer of diamond or diamond-like material on the molybdenum layer that preferably has a thickness of about 200-2,000 angstroms and that defines a tip radius of less than about 500 angstroms, an aspect ratio in the range of 1:13-3:1, a hardness of at least thirteen gigapascals and an L5 wet wool felt cutter force of less than 0.8 kilogram.
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