Invention Grant
- Patent Title: Semiconductor memory device
- Patent Title (中): 半导体存储器件
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Application No.: US13423546Application Date: 2012-03-19
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Publication No.: US08797777B2Publication Date: 2014-08-05
- Inventor: Tomoo Hishida , Yoshihisa Iwata
- Applicant: Tomoo Hishida , Yoshihisa Iwata
- Applicant Address: JP Tokyo
- Assignee: Kabushiki Kaisha Toshiba
- Current Assignee: Kabushiki Kaisha Toshiba
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2011-143500 20110628
- Main IPC: G11C5/02
- IPC: G11C5/02

Abstract:
A semiconductor memory device comprises: a semiconductor substrate; a plurality of memory units provided on the semiconductor substrate and each including a plurality of memory cells that are stacked; and a plurality of bit lines formed above each of a plurality of the memory units aligned in a column direction, an alignment pitch in a row direction of the plurality of bit lines being less than an alignment pitch in the row direction of the memory units, and an end of each of the memory units aligned in the column direction being connected to one of the plurality of bit lines formed above the plurality of the memory units aligned in the column direction.
Public/Granted literature
- US20130003433A1 SEMICONDUCTOR MEMORY DEVICE Public/Granted day:2013-01-03
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