Patent ID: 6824601
Filing Date: 2004-11-30
Classification: C23C,Y10S,Y10T

Abstract:
A hard film for cutting tools, comprising(Ti 1âˆ’aâˆ’bâˆ’câˆ’d,Ala, Crb, Sic, Bd)(C1âˆ’eNe), wherein 0.5&lE;a&lE;0.8, 0.06&lE;b, 0&lE;c&lE;0.1,0&lE;d&lE;0.1,0wherein a, b, c, and d denote respectively the atomic ratios of Al, Cr, Si, and B, and e denotes the atomic ratio of N with the proviso that at least one of c and d is larger than 0.