Patent · US Active

High temperature chemical vapor deposition lid

US11732358B2 · kind B2 · utility

0Cited by
34References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 17, 2022
Grant dateAug 22, 2023
Priority date
Expiry dateAug 17, 2042

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC23C16/52
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

Process chamber lids, processing chambers and methods using the lids are described. The lid includes a pumping liner with a showerhead, blocker plate and gas funnel positioned therein. A liner heater is positioned on the pumping liner to control temperature in the pumping liner. Gas is flowed into the gas funnel using a dead-volume free one-way valve with a remote plasma source.

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