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:
Jan. 05, 2021
Filed:
Nov. 20, 2017
Applied Materials, Inc., Santa Clara, CA (US);
APPLIED MATERIALS, INC., Santa Clara, CA (US);
Abstract
Embodiments of process kits for process chambers and methods for processing a substrate are provided herein. In some embodiments, a process kit includes a non-conductive upper shield having an upper portion to surround a sputtering target and a lower portion extending downward from the upper portion; and a conductive lower shield disposed radially outward of the non-conductive upper shield and having a cylindrical body with an upper portion and a lower portion, a lower wall projecting radially inward from the lower portion, and a lip protruding upward from the lower wall. The cylindrical body is spaced apart from the non-conductive upper shield by a first gap. The lower wall is spaced apart from the lower portion of the non-conductive upper shield by a second gap to limit a direct line of sight between a volume within the non-conductive upper shield and the cylindrical body of the conductive lower shield.