Patent · US Active

Multi-zone resistive heater

US9892941B2 · kind B2 · utility

1Cited by
13References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 16, 2009
Grant dateFeb 13, 2018
Priority date
Expiry dateMay 2, 2035

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05B3/68
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

Apparatus, reactors, and methods for heating substrates are disclosed. The apparatus comprises a stage comprising a body and a surface having an area to support a substrate, a shaft coupled to the stage, a first heating element disposed within a central region of the body of the stage, and at least second and third heating elements disposed within the body of the stage, the at least second and third heating elements each partially surrounding the first heating element and wherein the at least second and third heating elements are circumferentially adjacent to each other.

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