Patent ID: 11887824
Assignee: TOKYO ELECTRON LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 17:
18. The method of claim 15, further comprising:
disposing a fifth dummy substrate at a fifth position with respect to the stage inside the chamber and performing a fifth dry cleaning process inside the chamber; and
performing plasma processing on a product substrate after the fifth dry cleaning process is performed,
wherein a center of the fifth position is located at the same position as the center of the stage in a plan view,
wherein the plasma processing is performed in a state in which the product substrate is mounted on the stage so that a center of the product substrate and the center of the stage are located at the same position in a plan view, and
wherein the first dry cleaning process, the second dry cleaning process, the third dry cleaning process, and the fourth dry cleaning process are performed consecutively after the plasma processing.