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:
Jan. 27, 2026
Filed:
Feb. 24, 2023
Samsung Electronics Co., Ltd., Suwon-si, KR;
Kijoon Kim, Hwaseong-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
A semiconductor device includes: a bit line; an active semiconductor layer on the bit line, having a first portion extending in a vertical direction and a second portion connected to the first portion and extending in a horizontal direction, including an oxide semiconductor; a word line on a side wall of the active semiconductor layer; a gate insulating layer between the active semiconductor layer and the word line; a first contact on the active semiconductor layer, having a bottom at a level lower than a top surface of the word line and a top at a level higher than the top surface of the word line, including an oxide semiconductor containing a first dopant; a second contact adjacent to the second portion of the active semiconductor layer on the bit line and including an oxide semiconductor containing a second dopant; and a landing pad on the first contact.