abstract |
A laminated hard coating obtained by alternately laminating layers (A) and layers (B), which have different compositions, wherein layers (A) comprise (TiaCrbAlcSid)(CxN1?x), layers (B) comprise (CreSi1?e)(CyN1?y) or (AlfSi1-f)(CzN1?z), and each of layers (A) and layers (B) has a thickness of 2-100 nm. |