Invention Grant
- Patent Title: Low power magnetic random access memory cell
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Application No.: US13352706Application Date: 2012-01-18
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Publication No.: US09886989B2Publication Date: 2018-02-06
- Inventor: Clarisse Ducruet , Céline Portemont , Ioan Lucian Prejbeanu
- Applicant: Clarisse Ducruet , Céline Portemont , Ioan Lucian Prejbeanu
- Applicant Address: FR Grenoble
- Assignee: CROCUS TECHNOLOGY SA
- Current Assignee: CROCUS TECHNOLOGY SA
- Current Assignee Address: FR Grenoble
- Agency: Pearne & Gordon LLP
- Priority: EP11290031 20110119
- Main IPC: H01L29/82
- IPC: H01L29/82 ; G11C11/16

Abstract:
The present disclosure concerns a magnetic random access memory (MRAM) cell suitable for performing a thermally assisted write operation or a spin torque transfer (STT) based write operation, comprising a magnetic tunnel junction comprising a top electrode; a tunnel barrier layer comprised between a first ferromagnetic layer having a first magnetization direction, and a second ferromagnetic layer having a second magnetization direction adjustable with respect to the first magnetization direction; a front-end layer; and a magnetic or metallic layer on which the second ferromagnetic layer is deposited; the second ferromagnetic layer being comprised between the front-end layer and the tunnel barrier layer and having a thickness comprised between about 0.5 nm and about 2 nm, such that magnetic tunnel junction has a magnetoresistance larger than about 100%. The MRAM cell disclosed herein has lower power consumption compared to conventional MRAM cells.
Public/Granted literature
- US20120181644A1 LOW POWER MAGNETIC RANDOM ACCESS MEMORY CELL Public/Granted day:2012-07-19
Information query
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