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:
Mar. 14, 2023
Filed:
Mar. 29, 2021
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
A plasma processing apparatus includes a chamber; a support member in the chamber; a window plate at an upper portion of the chamber and including a window plate body and a fastening hole, wherein the fastening hole includes a lower fastening hole portion and an upper fastening hole portion. and a gas injector including a first body having a plurality of distribution nozzles and a second body having an accommodating groove to which the first body is fastened and a plurality of injection nozzles. The second body includes a first portion disposed inside the upper fastening hole portion, a second portion disposed inside the lower fastening hole portion, and a third portion disposed below the window plate. The second portion of the second body includes a gas hole extending from the accommodating groove to an external side surface of the second portion of the second body.