Patent · US Active

Multiple section showerhead assembly

US11731145B2 · kind B2 · utility

0Cited by
0References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 13, 2020
Grant dateAug 22, 2023
Priority date
Expiry dateMar 25, 2041

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC23C16/5096
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

The invention discloses a showerhead assembly including a male board with a top surface and a bottom surface and having an injector extending from the bottom surface to inject a first gas; and a female board with a top surface and a bottom surface and having a cavity formed on the top surface. The cavity is communicatively coupled to a gas outlet through which a second gas is guided toward to the outlet. The cavity is configured to receive the first gas from the male board such that the first gas and the second gas mix and then is exhausted via the gas outlet.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.