Collimator for use in a physical vapor deposition chamber
US10697057B2 · kind B2 · utility
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3References
20Claims
0Family size
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Key dates
| Filing date | Nov 16, 2017 |
| Grant date | Jun 30, 2020 |
| Priority date | — |
| Expiry date | Mar 26, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C14/046
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Embodiments of collimators and process chambers incorporating same are provided herein. In some embodiments, a collimator for use in a substrate processing chamber includes a ring; an adapter surrounding the ring and having an inner annular wall; and a plurality of spokes extending from the inner annular wall and intersecting at a central axis of the collimator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.