Patent · US Active

Apparatus and method for cleaning semiconductor wafers

US12068149B2 · kind B2 · utility

0Cited by
2References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 7, 2018
Grant dateAug 20, 2024
Priority date
Expiry dateApr 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.