Patent · US Expired

Compliant wafer chuck

US6241825A · kind A · utility

64Cited by
17References
16Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 16, 1999
Grant dateJun 5, 2001
Priority date
Expiry dateApr 16, 2019

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC23C16/4583
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A compliant wafer chuck for supporting a substrate in which an upper body of the chuck is allowed to tilt relative to the base.

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