Showerhead having a detachable gas distribution plate
US11130142B2 · kind B2 · utility
0Cited by
19References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 10, 2020 |
| Grant date | Sep 28, 2021 |
| Priority date | — |
| Expiry date | Apr 10, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J37/32623
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Embodiments of showerheads having a detachable gas distribution plate are provided herein. In some embodiments, a showerhead for use in a substrate processing chamber includes a body having a first side and an opposing second side; a gas distribution plate disposed proximate the second side of the body; and a clamp disposed about a peripheral edge of the gas distribution plate to removably couple the gas distribution plate to the body, wherein the body is electrically coupled to the gas distribution plate through the clamp.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.