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 formed by sequentially stacking a thin layer A, a thin layer B, a thin layer C and a thin layer D or being comprised of a structure formed by repeatedly stacking the nano multi-layered structure at least twice, wherein the thin layer A is comprised of TixAl1-xN (0.5≦x≦0.7); the thin layer B is comprised of Al1-y-zTiyMezN (0.4≦y≦0.7, 0<z≦0.1 where Me is at least one of Si, Cr, and Nb); the thin layer C is comprised of AlaTi1-aN (0.5≦a≦0.7); and the thin layer D is comprised of AlbCr1-bN (0.5≦b≦0.7).
KORLOY INC.
C B C Y Y C
C23C B32B C23C Y10T Y10T C23C
inventional inventional inventional additional additional inventional
Je-Hun Seung-Su Jung-Wook Sung-Gu Jae-Hoon Sun-Yong Sung-Hyun Dong-Bok
Park Ahn Kim Lee Kang Ahn Kim Park