Patent ID: 7988786
Filing Date: 2011-08-02
Classification: C23C,H01L,Y10T

Abstract:
1. A semiconductor manufacturing apparatus member having an electrical conductivity, comprising: a base material, a coated film formed on at least part of a surface of said base material, said coated film comprising: a matrix comprising amorphous carbon and a metal contained in said matrix, and an intermediate layer disposed between the said coated film and said base material, said intermediate layer having a single layer structure or a plurality of layers, wherein the intermediate layer comprises chromium nitride, wherein an atomic ratio (M/C) of metal (M) to carbon (C) constituting said coated film is 0.01 to 0.7, wherein said at least one of metal contained in said matrix is at least one selected from a group consisting of tungsten, tantalum, and boron, and wherein said coated film containing said at least one of metal has a thickness of 5 μm or less and has an internal stress of 1.5 GPa/μm or less.