The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 04, 2026
Filed:
Jul. 11, 2023
Applied Materials, Inc., Santa Clara, CA (US);
Geraldine Vasquez, San Jose, CA (US);
Yi Xu, San Jose, CA (US);
Dien-Yeh Wu, San Jose, CA (US);
Aixi Zhang, Sunnyvale, CA (US);
Jallepally Ravi, San Ramon, CA (US);
Yu Lei, Belmont, CA (US);
Applied Materials Inc., Santa Clara, CA (US);
Abstract
Embodiments of a purge ring for use in a process chamber are provided herein. In some embodiments, a purge ring includes: an annular body having an inner portion and an outer portion, wherein the inner portion includes an inner surface of the annular body, the inner surface comprising a first inner sidewall, a second inner sidewall, and a third inner sidewall, wherein the inner portion has an upper inner notch that defines the first inner sidewall and a lower inner notch that defines the second inner sidewall, wherein a third inner sidewall is disposed between the first inner sidewall and the second inner sidewall, and wherein the first inner sidewall and the second inner sidewall are disposed radially outward of the third inner sidewall.