Invention Grant
- Patent Title: Semiconductor memory device
-
Application No.: US16562372Application Date: 2019-09-05
-
Publication No.: US11107508B2Publication Date: 2021-08-31
- Inventor: Keiji Hosotani , Fumitaka Arai , Keisuke Nakatsuka
- Applicant: TOSHIBA MEMORY CORPORATION
- Applicant Address: JP Tokyo
- Assignee: TOSHIBA MEMORY CORPORATION
- Current Assignee: TOSHIBA MEMORY CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: Foley & Lardner LLP
- Priority: JPJP2018-227378 20181204
- Main IPC: H01L27/11578
- IPC: H01L27/11578 ; G11C5/06 ; H01L23/48 ; H01L27/1157 ; H01L27/11582 ; H01L27/11565 ; H01L27/11519 ; G11C16/30 ; H01L27/11556 ; G11C16/08 ; G11C16/16 ; G11C16/24 ; G11C16/26 ; H01L27/11524

Abstract:
According to one embodiment, a semiconductor memory device includes: a conductive layer including a first portion and a second portion electrically coupled to the first portion; a first contact plug electrically coupled to the first portion; a first semiconductor layer; a first insulating layer between the second portion and the first semiconductor layer, and between the first portion and the first semiconductor layer; a second contact plug coupled to the first semiconductor layer in a region in which the first insulating layer is formed; a first interconnect; and a first memory cell apart from the second portion in the second direction and storing information between the first semiconductor layer and the first interconnect.
Public/Granted literature
- US20200176033A1 SEMICONDUCTOR MEMORY DEVICE Public/Granted day:2020-06-04
Information query
IPC分类: