Patent · US Active

Pedestal heater for spatial multi-wafer processing tool

US11430686B2 · kind B2 · utility

3Cited by
3References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 9, 2020
Grant dateAug 30, 2022
Priority date
Expiry dateNov 21, 2040

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/67248
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

Substrate supports comprising a top plate positioned on a shaft are described. The top plate including a primary heating element a first depth from the surface of the top plate, a inner zone heating element a second depth from the surface of the top plate and an outer zone heating element a third depth from the surface of the top plate. Substrate support assemblies comprising a plurality of substrate supports and methods of processing a substrate are also disclosed.

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