Patent · US Active

Lids and lid assembly kits for atomic layer deposition chambers

US11932939B2 · kind B2 · utility

0Cited by
21References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 28, 2021
Grant dateMar 19, 2024
Priority date
Expiry dateJun 17, 2042

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01J37/32834
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

Apparatus for processing a substrate are provided herein. In some embodiments, a lid for a substrate processing chamber includes: a lid plate comprising an upper surface and a contoured bottom surface, the upper surface having a central opening and the contoured bottom surface having a first portion that extends downwardly and outwardly from the central opening to a peripheral portion of the lid plate and a second portion that extends radially outward along the peripheral portion of the lid plate; an upper flange extending radially outward from the lid plate; and one or more channels formed through the lid plate from the upper surface of the lid plate to the second portion of the contoured bottom surface.

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