Patent · US Expired

Method and apparatus for rotating a semiconductor substrate

US7201808B2 · kind B2 · utility

3Cited by
6References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 4, 2003
Grant dateApr 10, 2007
Priority date
Expiry dateMay 31, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T279/25
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

An apparatus that includes a rotatable single wafer holding bracket with one or more wafer supports disposed on the single wafer holding bracket, wherein the one or more wafer supports position a center of a wafer to be off-center from an axis of rotation of the single wafer holding bracket.

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