Patent ID: 7504164

Claim:
The corrosion-resistant member comprising a base material having formed thereon a sprayed coating, the sprayed coating being formed on a side of the base material to be exposed to corrosive gases or plasma and comprising Si, O, N, Group 2a element, and Zr, having a composition that Zr:Si in ratio of the number of atoms are in a range of from 5:95 to 70:30, O:N in ratio of the number of atoms are in a range of from 99.9:0.1 to 60:40, and Zr+Si: Group 2a element in ratio of the number of atoms are in a range of from 75:25 to 40:60, wherein the sprayed coating comprises a glass phase comprising Si, O, N, Group 2a element, and a crystal phase.