Invention Grant
- Patent Title: Nonvolatile memory device
- Patent Title (中): 非易失性存储器件
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Application No.: US13770463Application Date: 2013-02-19
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Publication No.: US08822966B2Publication Date: 2014-09-02
- Inventor: Kensuke Takahashi , Masanobu Baba , Yusuke Arayashiki
- Applicant: Kabushiki Kaisha Toshiba
- Applicant Address: JP Tokyo
- Assignee: Kabushiki Kaisha Toshiba
- Current Assignee: Kabushiki Kaisha Toshiba
- Current Assignee Address: JP Tokyo
- Agency: Patterson & Sheridan, LLP
- Priority: JP2012-153853 20120709
- Main IPC: H01L29/00
- IPC: H01L29/00

Abstract:
A nonvolatile memory device has a memory cell including a resistance change layer, a first electrode, and a second electrode. The resistance change layer switches between high and low resistance states due to the transfer of metal ions from the first electrode in response to voltages applied between the electrodes. The first electrode is formed on a first side of the resistance change layer, and provides metal ions. The second electrode is formed on a second side of the resistance change layer. A memory cell region is formed between the first electrode and the second electrode with the resistance change layer. The memory device also includes a high permittivity layer with a higher dielectric constant than the resistance change layer.
Public/Granted literature
- US20140008603A1 NONVOLATILE MEMORY DEVICE Public/Granted day:2014-01-09
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