Adjustable extended electrode for edge uniformity control
US10504702B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 3, 2018 |
| Grant date | Dec 10, 2019 |
| Priority date | — |
| Expiry date | Jul 3, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J2237/334
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Embodiments described herein generally related to a substrate processing apparatus. In one embodiment, a process kit for a substrate processing chamber disclosed herein. The process kit includes an edge ring having a top surface and a bottom surface. An adjustable tuning ring is positioned beneath the bottom surface of the edge ring. The adjustable tuning ring has an upper surface and a lower surface. The lower surface is configured to interface with an actuating mechanism configured to move the adjustable tuning ring relative to the edge ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.