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:
Sep. 09, 2025
Filed:
Oct. 06, 2022
Samsung Electronics Co., Ltd., Suwon-si, KR;
Youngbum Woo, Suwon-si, KR;
Joonsung Lim, Seongnam-si, KR;
Junhyoung Kim, Seoul, KR;
Seungmin Lee, Seoul, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
A semiconductor device includes a contact plug forming a signal path electrically connecting a bitline or wordlines and an upper connection pattern to each other, a lower insulating structure includes first and second insulating portions; the contact plug penetrates through the second insulating portion and contacts the upper connection pattern; the first insulating portion includes first and second lower layers, the second lower layer having a thickness smaller than the first lower layer; the second insulating portion includes a first upper layer contacting the second lower layer and covering a portion of an upper surface of the upper connection pattern, and a second upper layer on the first upper layer, the second upper layer having a thickness greater than the first upper layer; and materials of the second lower layer and first upper layer is different from materials of the first lower layer and the second upper layer.