| 摘要 |
A process for forming a razor blade includes the steps of providing a ceramic substrate, mechanically abrading an edge of the ceramic substrate to form a sharpened edge thereon with facets that have an included angle of less than thirty degrees; thermally processing the mechanically abraded edge to reduce surface raggedness and subsurface defects; and sputter-sharpening the sharpened edge to provide supplemental facets that have an included angle of more than forty degrees and define a tip radius of less than five hundred angstroms. The resulting blade exhibit excellent shaving properties. |
