Patent ID: 11938521
Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC B  H | IPC B

Claim 0:
1. A method of cleaning a semiconductor wafer, said method comprising: loading a semiconductor wafer into a cell; moving two or more nozzles into respective operational orientations for spraying onto a top surface of the loaded semiconductor wafer; spraying a cleaning solution from each nozzle among the two or more nozzles onto the top surface of the loaded semiconductor wafer to apply the cleaning solution to the top surface of the loaded semiconductor wafer including to the center of the top surface of the loaded semiconductor wafer; and collecting the cleaning solution in an annular trough of the cell as the cleaning solution flows off the top surface of the loaded semiconductor wafer; and maintaining said loaded semiconductor wafer stationary during said spraying.