The razor blade of claim 15 wherein, after shaving, tear outs along said coated blade edge, are reduced by about 50 percent relative to a blade edge having a narrower substrate thickness at a distance of four micrometers from the blade tip. The razor blade of claim 27 wherein the substrate comprises substantially no cracks in said bent portion.Ģ9. The razor blade of claim 1 wherein the razor blade comprises a bent portion.Ģ8. The razor blade of claim 24 further comprising one or more layers joined to said nitrided substrate.Ģ7. The razor blade of claim 23 wherein said nitride is formed by plasma nitriding.Ģ6. The razor blade of claim 1, further comprising a nitride region disposed at or beneath a surface of the substrate.Ģ5. The razor blade of claim 21 wherein said substrate has only two facets on each side of said cutting edge.Ģ4. The razor blade of claim 21 wherein said semi-included angle is measured at a distance of forty micrometers or greater from the blade tip.Ģ3. The razor blade of claim 1, further comprising a semi-included angle that is less than 7 degrees.Ģ2. The razor blade of claim 13 further comprising an outer layer joined to said coating layer.Ģ1. The razor blade of claim 18 wherein said outer layer comprises polytetrafluoroethylene.Ģ0. The razor blade of claim 17 wherein said outer layer comprises a polymer.ġ9. The razor blade of claim 15 further comprising an outer layer joined to said overcoat layer.ġ8. The razor blade of claim 15 wherein a tip radius of said coated cutting edge is about 125 to about 500 angstroms.ġ7. The razor blade of claim 14 wherein said overcoat layer comprises chromium.ġ6.

The razor blade of claim 13 further comprising an overcoat layer joined to said coating layer.ġ5. The razor blade of claim 12 wherein said coating layer comprises carbon, chromium, platinum, nitrides, aluminum, titanium, nitrogen, oxides, or any combination thereof.ġ4. The razor blade of claim 11, further comprising a coating layer joined to said interlayer.ġ3. The razor blade of claim 10 wherein said interlayer comprises niobium, chromium, platinum, titanium, or any combination or alloys thereof.ġ2. The razor blade of claim 9 further comprising an interlayer joined to said substrate.ġ1. The razor blade of claim 1 wherein the substrate has a carbide density of at least 150 carbides or more per 100 square micrometers as determined by optical microscopic cross-section.ġ0. The razor blade of claim 1 wherein the substrate is a martensitic stainless steel.ĩ. The razor blade of claim 1 wherein the substrate further comprises an amount of Carbon (C) ranging from about 0.45% to about 0.55% by weight percent of composition, an amount of Chromium (Cr) ranging from about 12% to about 14% by weight percent of composition, an amount of Silicon (Si) ranging from about 0.4% to about 1.0%, an amount of Manganese (Mn) ranging from about 0.5% to about 1.0%, with the balance in weight percent of composition made up of an amount of Iron (Fe) and unavoidable impurities, or any combination thereof.Ĩ. The razor blade of claim 5 wherein the substrate further comprises a steel of about 0.35% to about 0.7% C and about 12% to about 14% Cr.ħ. The razor blade of claim 1, wherein the substrate comprises about 1.8% to about 3% Mo by weight of composition.Ħ. The razor blade of claim 1, wherein a cross-sectional shape of the blade is defined by the equation w=ad n, where “a” is in the range of 0.50 to 0.62, and “n” is in the range of 0.76 to 0.80.ĥ. The razor blade of claim 1, wherein said substrate has a thickness of between about 2.70 and 3.00 micrometers measured at a distance of eight micrometers from the blade tip, a thickness of between about 4.44 and 5.00 micrometers measured at a distance of sixteen micrometers from the blade tip, a ratio of thickness measured at four micrometers to the thickness measured at eight micrometers between 0.56 and 0.62, and a ratio of thickness measured at four micrometers to the thickness measured at sixteen micrometers between 0.32 and 0.40.Ĥ. The razor blade of claim 1, further comprising a ratio of the thickness measured at four micrometers to the thickness measured at forty micrometers between 0.165 and 0.185.ģ. A razor blade comprising: a substrate comprising about 1% to about 5% Mo by weight of composition with a cutting edge being defined by a sharpened tip, said substrate having a thickness of between about 1.60 and about 1.75 micrometers measured at a distance of four micrometers from the blade tip, and a thickness of between about 9.25 and 10.00 micrometers measured at a distance of forty micrometers from the blade tip.Ģ.

Razer blade skin 2017