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Spin torque oscillator and magnetic recording head and magnetic recording device mounted with the spin torque oscillator

机译：自旋扭矩振荡器以及安装有自旋扭矩振荡器的磁记录头和磁记录装置

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摘要

The present invention provides a spin torque oscillator that can realize stable oscillation and has high reliability. A laminated structure including a first magnetic layer 1 having a bcc crystal structure and having in-plane magnetic anisotropy and a second magnetic layer 2 having perpendicular magnetic anisotropy laminated on the first magnetic layer 1 and including a multilayer film of Co and Ni is used.

机译：本发明提供了一种能够实现稳定的振荡并且具有高可靠性的自旋扭矩振荡器。层叠结构，其具有层叠在第一磁性体上的具有bcc晶体结构且具有面内磁各向异性的第一磁性层 1 和具有垂直磁性各向异性的第二磁性层 2 。使用 1 层并且包括Co和Ni的多层膜。 展开▼

著录项

公开/公告号US8345380B2

专利类型

公开/公告日2013-01-01

原文格式PDF

申请/专利权人 YO SATO;KEIICHI NAGASAKA;MASATO SHIIMOTO;MASATO MATSUBARA;
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申请/专利号US201113208384

发明设计人 YO SATO;MASATO SHIIMOTO;MASATO MATSUBARA;KEIICHI NAGASAKA;
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申请日2011-08-12

分类号G11B5/127;

国家 US

入库时间 2022-08-21 16:43:14

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3. SPIN TORQUE OSCILLATOR AND MAGNETIC RECORDING HEAD AND MAGNETIC RECORDING DEVICE MOUNTED WITH THE SPIN TORQUE OSCILLATOR [P] . 美国专利： US2012069465A1 . 2012-03-22

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4. Spin-torque oscillator, magnetic head including the spin-torque oscillator, and magnetic recording and reproducing apparatus [P] . 美国专利： US8194361B2 . 2012-06-05

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5. SPIN-TORQUE OSCILLATOR, MAGNETIC HEAD INCLUDING THE SPIN-TORQUE OSCILLATOR, AND MAGNETIC RECORDING AND REPRODUCING APPARATUS [P] . 美国专利： US2009201614A1 . 2009-08-13

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5. Micromagnetic Model Simulation of Spin-Torque Oscillator and Write Head for Microwave-Assisted Magnetic Recording: Spin Injection Layer with In-Plane Anisotropy [J] . Kanai Yasushi, Itagaki Ryo, Greaves Simon, Applied Computational Electromagnetics Society journal . 2019,第2期

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