Chemistry: electrical and wave energy – Processes and products – Vacuum arc discharge coating
Patent
1991-06-24
1993-08-03
Yost, Frank T.
Chemistry: electrical and wave energy
Processes and products
Vacuum arc discharge coating
20419215, 20419216, 3034653, 3034654, C23C 1434
Patent
active
052325687
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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Hahn Steve S.
Madeira John
Parent C. Robert
Payer Hwei-Siu
The Gillette Company
Yost Frank T.
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