Invention Grant
US09042158B2 Nonvolatile semiconductor memory device with protective resistance film
有权
具有保护电阻膜的非易失性半导体存储器件
- Patent Title: Nonvolatile semiconductor memory device with protective resistance film
- Patent Title (中): 具有保护电阻膜的非易失性半导体存储器件
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Application No.: US14023844Application Date: 2013-09-11
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Publication No.: US09042158B2Publication Date: 2015-05-26
- Inventor: Yoichi Minemura , Takayuki Tsukamoto , Takamasa Okawa , Hiroshi Kanno , Atsushi Yoshida , Satoshi Konagai , Nobuaki Yasutake
- Applicant: Kabushiki Kaisha Toshiba
- Applicant Address: JP Minato-ku
- Assignee: KABUSHIKI KAISHA TOSHIBA
- Current Assignee: KABUSHIKI KAISHA TOSHIBA
- Current Assignee Address: JP Minato-ku
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Main IPC: G11C11/00
- IPC: G11C11/00 ; G11C13/00

Abstract:
A nonvolatile semiconductor memory device according to an embodiment includes a memory cell block that includes a memory cell array, the memory cell array including: a plurality of first lines; a plurality of second lines intersecting the plurality of first lines; and a memory cell that is provided at each of intersections of the plurality of first lines and the plurality of second lines and includes a variable resistance element, the memory cell array further including a protective resistance film that is provided respectively at each of the intersections of the plurality of first lines and the plurality of second lines and that is connected in series with the memory cell and ohmically contacts the memory cell, and the protective resistance film being configured from a material having a resistivity of 1˜100 Ω·cm.
Public/Granted literature
- US20140347911A1 NONVOLATILE SEMICONDUCTOR MEMORY DEVICE Public/Granted day:2014-11-27
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