Patent · US Active

Gas distribution plate for thermal deposition

US11110425B2 · kind B2 · utility

2Cited by
1References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 26, 2019
Grant dateSep 7, 2021
Priority date
Expiry dateDec 23, 2039

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J4/001
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

Apparatus and methods for providing high velocity gas flow showerheads for deposition chambers are described. The showerhead has a faceplate in contact with a backing plate that has a concave portion to provide a plenum between the backing plate and the faceplate. A plurality of thermal elements is within the concave portion of the backing plate and extends to contact the faceplate.

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