Lamp array for thermal processing chamber
US6476362B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 12, 2000 |
| Grant date | Nov 5, 2002 |
| Priority date | — |
| Expiry date | Sep 12, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B3/0047
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lamp array for a thermal processing chamber. The lamp array includes a plurality of lamps arranged in a generally circular array. The plurality of lamps can be arranged in one or more concentric rings to form a generally circular array. Additional lamp arrays can be provided adjacent the circumference of the circular array or outermost concentric ring to provide a generally rectangular heating pattern. At least one row of lamps can be provided tangentially to the circular portion of the lamp array to provide preheating or postheating of process gases in the flow direction of a rectangular processing chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.