Precessional spin current structure for MRAM

MM Pinarbasi, M Tzoufras - US Patent 9,853,206, 2017 - Google Patents
A magnetoresistive random-access memory (MRAM) is disclosed. MRAM device has a
magnetic tunnel junction stack having a significantly improved performance of the free layer …

Spin transfer torque structure for MRAM devices having a spin current injection cap** layer

BA Kardasz, MM Pinarbasi - US Patent 9,728,712, 2017 - Google Patents
A magnetoresistive random-access memory (MRAM) device is disclosed. The device
described herein has a spin current injection cap** layer between the free layer of a …

Precessional spin current structure with non-magnetic insertion layer for MRAM

BA Kardasz, MM Pinarbasi - US Patent 10,665,777, 2020 - Google Patents
A magnetoresistive random-access memory (MRAM) is disclosed. MRAM device has a
magnetic tunnel junction stack having a significantly improved performance of the free layer …

Memory cell having magnetic tunnel junction and thermal stability enhancement layer

M Pinarbasi, B Kardasz - US Patent 9,741,926, 2017 - Google Patents
(57) ABSTRACT A magnetoresistive random-access memory (MRAM) device is disclosed.
The device described herein has a thermal stability enhancement layer over the free layer of …

Precessional spin current structure with high in-plane magnetization for MRAM

MM Pinarbasi, BA Kardasz - US Patent 10,672,976, 2020 - Google Patents
A magnetoresistive random-access memory (MRAM) is disclosed. MRAM device has a
magnetic tunnel junction stack having a significantly improved performance of the free layer …

Method for manufacturing MTJ memory device

M Pinarbasi - US Patent 9,263,667, 2016 - Google Patents
(57) ABSTRACT A method for manufacturing MTJ pillars for a MTJ memory device. The
method includes depositing multiple MTJ layers on a Substrate, depositing a hard mask on …

High speed low power annular magnetic devices based on current induced spin-momentum transfer

A Kent, D Stein - US Patent 7,307,876, 2007 - Google Patents
(57) ABSTRACT A high speed and low power method to control and Switch the
magnetization direction and/or helicity of a magnetic region in a magnetic device for memory …

Method for manufacturing MTJ memory device

M Pinarbasi - US Patent 9,406,876, 2016 - Google Patents
(51) Int. Cl. A method for manufacturing MTJ pillars for a MTJ memory HOIL 29/82(2006.01)
device. The method includes depositing multiple MTJ layers HOIL 43/12(2006.01) on a …

Magnetic tunnel junction structure for MRAM device

M Pinarbasi, B Kardasz - US Patent 9,337,412, 2016 - Google Patents
(56) References Cited 7,352,021 B2 4/2008 Bae et al. 7,449,345 B2 11/2008 Horng et al.
US PATENT DOCUMENTS 7,476,919 B2 1/2009 Hong et al. 7,573,737 B2 8/2009 Kent et …

Bipolar spin-transfer switching

A Kent, D Bedau, H Liu - US Patent 8,755,222, 2014 - Google Patents
(60) Continuation-in-part of application No. 13/041,104,(Continued) filed on Mar. 4, 2011,
now Pat. No. 8,363,465, which is a division of application No. 12/490,588, filed on Jun …