Washing method of semiconductor manufacturing device component having gas holes
Abstract:
A method for cleaning a semiconductor fabrication equipment part having gas holes used in single-wafer type semiconductor fabrication equipment for processing semiconductor wafers, wherein the semiconductor fabrication equipment part having gas holes is formed of aluminum or an aluminum alloy, and has a distribution plate having a plurality of gas holes, the method including: a step (1) of scanning a gas injection surface of the distribution plate, which is a surface facing the wafer, with a laser beam; and a step (2) of bringing the gas injection surface and insides of the gas holes into contact with a cleaning liquid containing an inorganic acid.
Information query
Patent Agency Ranking
0/0