Patent · US Active

Gas diffuser mounting plate for reduced particle generation

US10883174B2 · kind B2 · utility

1Cited by
10References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 27, 2018
Grant dateJan 5, 2021
Priority date
Expiry dateApr 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.