Revolution IP, PLLC
Hard film for cutting tool
Provided is a hard film for a cutting tool formed on a surface of a base material, the hard film being comprised of a nano multi-layered structure comprising a thin layer A, a thin layer B, a thin layer C and a thin layer D or a structure in which the nano multi-layered structure is repeatedly stacked at least twice, wherein the thin layer A is comprised of Ti1-xAlxN (0.5≦x≦0.7); the thin layer B is comprised of Al1-y-zTiyCrzN (0.3≦y≦0.6 and 0<z≦0.3); the thin layer B is comprised of MeN (where Me is Nb or V); and the thin layer D is comprised of Al1-a-bTiaSibN (0.3≦a≦0.7 and 0<b<0.1).
KORLOY INC.
B C Y
B32B C23C Y10T
inventional inventional additional
Sun-Yong Sung-Hyun Seung-Su Jung-Wook Je-Hun Jae-Hoon Dong-Bok Sung-Gu
Ahn Kim Ahn Kim Park Kang Park Lee