Patent ID: 9627183
Date: 2017-04-18
CPC Classifications: H01J,H01L

Claim:
1. A plasma processing device comprising: a long annular chamber surrounded by a first dielectric member; an opening communicating with the chamber; a first gas supply pipe for introducing a first gas into the chamber; a coil provided in the vicinity of the chamber; a discharge suppression gas supply hole which is a linear groove formed in a region of an inside of the chamber, a high-frequency power source connected to the coil; and a substrate mounting table, wherein the chamber is provided along a surface parallel to a surface formed by the substrate mounting table, and a second gas supply pipe for introducing a second, gas is provided inside the chamber, wherein the opening has at least two long straight line portions, and a movement mechanism is provided, which is capable of moving the chamber and the substrate mounting table relatively in a direction perpendicular to a longitudinal direction of the opening, the second gas is provided to the discharge suppression gas supply hole, and the opening and the discharge suppression gas supply hole are formed on the same plane.