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:
May. 12, 2026
Filed:
Apr. 03, 2023
Samsung Electronics Co., Ltd., Suwon-si, KR;
Kyuyoung Hwang, Suwon-si, KR;
Byungjoon Kang, Suwon-si, KR;
Daihyun Kim, Suwon-si, KR;
Hwang Suk Kim, Suwon-si, KR;
Mihyun Park, Suwon-si, KR;
Jungmin Oh, Suwon-si, KR;
Hyosan Lee, Suwon-si, KR;
Byoungki Choi, Suwon-si, KR;
Cheol Ham, Suwon-si, KR;
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Abstract
Provided are an etching composition including an oxidizing agent, an ammonium salt, an aqueous solvent, and an accelerator, a method of preparing a metal-containing film etching by using the same, and a method of manufacturing a semiconductor device by using the same.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile