Gas diffuser mounting plate for reduced particle generation
US10883174B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 27, 2018 |
| Grant date | Jan 5, 2021 |
| Priority date | — |
| Expiry date | Apr 12, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J37/32449
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Embodiments of the present disclosure generally provide apparatus and methods for a gas diffuser assembly for a vacuum chamber, the gas diffuser assembly comprising a mounting plate, the mounting plate comprising a hub, a plurality of curved spokes extending from the hub in a radial direction, a gusset portion coupled between the hub and each of the curved spokes, each of the gusset portions having a convex curve disposed in an axial direction, and one or more mounting holes coupled to the curved spokes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.