TDK announces successful delivery of prototype magnetic heads using next-generation magnetic recording technology MAS-MAMR

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Hard disk heads: TDK announces successful delivery of prototype heads using next-generation magnetic recording technology MAS-MAMR


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TDK Corporation announced that it has successfully delivered a prototype head using the next-generation magnetic recording technology MAS-MAMR. The technology was developed in conjunction with Toshiba Corporation's R&D Center and Toshiba Electric Device & Storage Corporation to increase the capacity of hard disks on the market. Showa Denko KK (SDK) produced the disks for this technology in the three-party collaboration.


TDK 已将业界首个基于自旋扭矩元件的磁记录技术引入东芝的18TB 硬盘。该硬盘已于2021年开始生产。MAS-MAMR 将构成磁记录行业的第二代自旋扭矩辅助磁头,其应用目标是超过 24TB 容量的硬盘。它利用了作用在磁盘记录层上写入磁头内的双自旋扭矩元件层产生的铁磁耦合共振效应,即 MAS 效应。通过与东芝和 SDK 的合作,TDK 已经证明此技术可以显著提高写入能力。TDK 还在持续研究可装入写入间隙内的MAS-MAMR最佳双元件结构。预计这项技术可以扩展其应用到30TB 容量的 硬盘。


the term


MAMR: Microwave Assisted Magnetic Recording

MAS-MAMR: Microwave Assisted Switching MAMR

Spin-torque elements: Magnetic layers that respond to spin-polarized currents

Main Applications

harddisk

Main features and benefits

Improve the writing capability of magnetic media at high density


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