Multi-zone resistive heater
US9892941B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 16, 2009 |
| Grant date | Feb 13, 2018 |
| Priority date | — |
| Expiry date | May 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.