Balanced purge slit valve
US8011381B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 2, 2008 |
| Grant date | Sep 6, 2011 |
| Priority date | — |
| Expiry date | Dec 11, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/4259
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
Methods and apparatus for providing a gas to a slit valve opening are provided herein. In one embodiment, a slit valve is described. The slit valve includes a housing having an opening, the opening defined by a plurality of interior sidewalls and sized to allow a substrate to pass therethrough, a door adapted to selectively seal the opening, a gas inlet formed in the housing, and a plurality of nozzles disposed in or on at least one of the plurality of interior sidewalls, each of the plurality of nozzles in fluid communication with the gas inlet and the opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.