Razor blades having high purity Al{hd 2{b O{HD 3 {B coating

摘要: This invention relates to razor blades and methods of manufacture thereof. The provides having an alumina coating on and/or adjacent a cutting edge the blades. contains at most low concentrations impurities thereby improves shaving properties since, for example, coatings polymers which improve generally adhere well coatings. can be deposited by sputtering from source or reactive deposition aluminium in atmosphere containing oxygen.