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:
Feb. 18, 2025
Filed:
Oct. 13, 2021
Applicant:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Inventors:
Byunghwan Kong, Uiwang-si, KR;
Heeyeon Kim, Seoul, KR;
Homin Son, Seoul, KR;
Geunkyu Choi, Hwaseong-si, KR;
Assignee:
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/67 (2006.01);
U.S. Cl.
CPC ...
H01L 21/67011 (2013.01);
Abstract
A substrate processing method includes: disposing a wafer in a wafer region of a tube; injecting an inert gas into a gap region, of the tube, between an inner side wall of the tube and the wafer disposed in the wafer region; and injecting a process gas into the wafer region of the tube, wherein a pressure of the gap region of the tube is higher than a pressure at an edge of the wafer region of the tube during the injection of the inert gas and the process gas.