发明授权
US06684513B1 Razor blade technology 有权
剃刀刀片技术

Razor blade technology
摘要:
A razor blade including a substrate with a cutting edge defined by a sharpened tip and adjacent facets, a layer of hard coating on the cutting edge, an overcoat layer of a chromium containing material on the layer of hard carbon coating, and an outer layer of polytetrafluoroethylene coating over the overcoat layer.
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