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:
Dec. 17, 2024
Filed:
Sep. 30, 2021
Applicant:
Changxin Memory Technologies, Inc., Hefei, CN;
Assignee:
CHANGXIN MEMORY TECHNOLOGIES, INC., Hefei, CN;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/033 (2006.01); H10B 12/00 (2023.01); H01L 49/02 (2006.01);
U.S. Cl.
CPC ...
H01L 21/0338 (2013.01); H01L 21/0337 (2013.01); H01L 28/40 (2013.01); H10B 12/03 (2023.02);
Abstract
A method for preparing a semiconductor structure, and a semiconductor structure are provided. In a prepared first pattern structure, a thickness of a first insulating layer is equal to a thickness of a second insulating layer, and a thickness of a third insulating layer is equal to a thickness of a fourth insulating layer.