Invention Grant
- Patent Title: Multi-resistance MRAM
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Application No.: US16449895Application Date: 2019-06-24
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Publication No.: US10886459B2Publication Date: 2021-01-05
- Inventor: Young-Suk Choi , Won Ho Choi
- Applicant: SanDisk Technologies LLC
- Applicant Address: US TX Addison
- Assignee: SanDisk Technologies LLC
- Current Assignee: SanDisk Technologies LLC
- Current Assignee Address: US TX Addison
- Agency: Vierra Magen Marcus LLP
- Main IPC: G11C7/00
- IPC: G11C7/00 ; H01L43/02 ; H01L43/08 ; H01L27/22 ; G11C11/16 ; G06N3/063 ; G06N3/04 ; G11C11/00 ; G11C11/54 ; G11C11/401

Abstract:
Apparatuses, systems, and methods are disclosed for magnetoresistive random access memory. A magnetic tunnel junction (MTJ) for storing data may include a reference layer. A free layer of an MTJ may be separated from a reference layer by a barrier layer. A free layer may be configured such that one or more resistance states for an MTJ correspond to one or more positions of a magnetic domain wall within the free layer. A domain stabilization layer may be coupled to a portion of a free layer, and may be configured to prevent migration of a domain wall into the portion of the free layer.
Public/Granted literature
- US20190312196A1 MULTI-RESISTANCE MRAM Public/Granted day:2019-10-10
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