Patent · US Active

Processing chamber with annealing mini-environment

US11791176B2 · kind B2 · utility

0Cited by
4References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 28, 2019
Grant dateOct 17, 2023
Priority date
Expiry dateSep 13, 2040

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/68742
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

Apparatus and methods to process one or more wafers are described. The apparatus comprises a chamber defining an upper interior region and a lower interior region. A heater assembly is on the bottom of the chamber body in the lower interior region and defines a process region. A wafer cassette assembly is inside the heater assembly and a motor is configured to move the wafer cassette assembly from the lower process region inside the heater assembly to the upper interior region.

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