Patent · US Active

Apparatus for liquid treatment of wafer shaped articles

US9147593B2 · kind B2 · utility

3Cited by
9References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 10, 2012
Grant dateSep 29, 2015
Priority date
Expiry dateMar 28, 2034

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T279/3493
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

Apparatus for processing wafer-shaped articles comprises a chuck adapted to hold a wafer-shaped article of a predetermined diameter during a processing operation to be performed on the wafer-shaped article. The chuck comprises a chuck body having an outer surface that faces a wafer-shaped article when positioned on the chuck. The outer surface comprises a first electrically conductive material and the chuck body further comprises a first conductive pathway between the first conductive material and ground.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.