发明申请

Razor Blade
摘要:
A razor blade has a symmetrical tapering blade edge ending in a blade tip. The razor blade includes a substrate and a coating covering the substrate. The coating includes a soft coating and a hard coating. The hard coating includes at least a main layer. The soft coating covers the hard coating. The substrate includes a substrate tip having specific a thickness at distances of 5 micrometers, 20 micrometers, 40 micrometers, and 250 micrometers from the substrate tip.
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