Patent · US Expired

System and method for heating and cooling wafer at accelerated rates

US7156924B2 · kind B2 · utility

8Cited by
18References
29Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 15, 2003
Grant dateJan 2, 2007
Priority date
Expiry dateFeb 18, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/67109
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A highly dynamic heating and/or chilling chamber for processing semiconductor wafers. The chamber has uniform heat and gas flow distribution in order to minimize the temperature gradient at different points of the wafer.

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