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.

Date of Patent:
Apr. 02, 2024

Filed:

Dec. 16, 2021
Applicant:

Samsung Electronics Co., Ltd., Suwon-si, KR;

Inventors:

Yonghee Kim, Yongin-si, KR;

Dougyong Sung, Seoul, KR;

Taekjoon Rhee, Hwaseong-si, KR;

Sungwook Hong, Hwaseong-si, KR;

Hakyoung Kim, Bucheon-si, KR;

Sangmin Jeong, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 16/02 (2006.01); H01J 37/32 (2006.01);
U.S. Cl.
CPC ...
H01J 37/3244 (2013.01); C23C 16/0245 (2013.01);
Abstract

A method of manufacturing a semiconductor device includes: providing a first process gas including oxygen and a second process gas including carbon and fluorine to a process chamber at a first flow rate ratio to etch an etch target layer; and providing the first process gas and the second process gas to the process chamber at a second flow rate ratio to passivate the etch target layer, wherein a flow rate of the first process gas is substantially constant.


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