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:
Nov. 18, 2025
Filed:
Mar. 03, 2022
Applicant:
SK Hynix Inc., Gyeonggi-do, KR;
Inventor:
Se Ra Hwang, Gyeonggi-do, KR;
Assignee:
SK hynix Inc., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10B 12/00 (2023.01);
U.S. Cl.
CPC ...
H10B 12/315 (2023.02); H10B 12/09 (2023.02); H10B 12/34 (2023.02); H10B 12/50 (2023.02);
Abstract
A semiconductor device includes a bit line structure and a storage contact spaced apart from each other over a substrate; a bit line spacer formed on a sidewall of the bit line structure; a landing pad formed over the storage contact; a boron-containing capping layer disposed between the bit line structure and the landing pad; a boron-containing etch stop layer over the boron-containing capping layer; and a capacitor including a storage node coupled to the landing pad by passing through the boron-containing etch stop layer.