Apparatus and method for cleaning semiconductor wafers
US12068149B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 7, 2018 |
| Grant date | Aug 20, 2024 |
| Priority date | — |
| Expiry date | Apr 12, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L21/67781
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
The invention provides an apparatus for cleaning semiconductor wafers. The apparatus includes at least one first tank, containing cleaning chemical, configured to implement batch cleaning process; one or more second tanks, containing cleaning liquid, configured to implement batch cleaning process; one or more single wafer cleaning modules, configured to implement single wafer cleaning and drying processes; a plurality of robots, configured to transfer one or more wafers to the at least one first tank and the one or more second tanks successively, and then to the one or more single wafer cleaning modules; and a controller, configured to control the plurality of robots to transfer the one or more wafers to the at least one first tank and the one or more second tanks successively, and then to the one or more single wafer cleaning modules.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.