RAZOR BLADE TECHNOLOGY

RAZOR BLADE TECHNOLOGY

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...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: HAHN, STEVE, S
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CUTTING
HAND CUTTING TOOLS
HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
SEVERING
TRANSPORTING
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Beschreibung
Zusammenfassung: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.