发明申请
WO2002073226A2 TUNNEL JUNCTION AND CHARGE PERPENDICULAR-TO-PLANE MAGNETIC RECORDING SENSORS AND METHOD OF MANUFACTURE
审中-公开
基本信息:
- 专利标题: TUNNEL JUNCTION AND CHARGE PERPENDICULAR-TO-PLANE MAGNETIC RECORDING SENSORS AND METHOD OF MANUFACTURE
- 专利标题(中):隧道连接和充电平面磁平面记录传感器及其制造方法
- 申请号:PCT/GB2002/001130 申请日:2002-03-12
- 公开(公告)号:WO2002073226A2 公开(公告)日:2002-09-19
- 发明人: BEACH, Robert
- 申请人: INTERNATIONAL BUSINESS MACHINES CORPORATION , IBM UNITED KINGDOM LIMITED
- 申请人地址: New Orchard Road, Armonk, NY 10504 US
- 专利权人: INTERNATIONAL BUSINESS MACHINES CORPORATION,IBM UNITED KINGDOM LIMITED
- 当前专利权人: INTERNATIONAL BUSINESS MACHINES CORPORATION,IBM UNITED KINGDOM LIMITED
- 当前专利权人地址: New Orchard Road, Armonk, NY 10504 US
- 代理机构: LING, Christopher, John
- 优先权: US09/809,686 20010314
- 主分类号: G01R33/00
- IPC分类号: G01R33/00
摘要:
Magnetic tunnel junction (MTJ) and charge perpendicular-to-plane (CPP) magnetic sensors are disclosed which have a first antiferromagnetic layer for pinning the magnetization direction in a pinned layer and a second antiferromagnetic layer for providing bias stabilization of a free layer. The two antiferromagnetic layers may be formed from the same material and using a spin-flop effect may be initialized simulataneously. A disk drive using these sensors is disclosed.
摘要(中):
公开了磁隧道结(MTJ)和电荷垂直平面(CPP)磁传感器,其具有用于固定钉扎层中的磁化方向的第一反铁磁层和用于提供自由层的偏置稳定性的第二反铁磁层。 两个反铁磁层可以由相同的材料形成,并且可以同时初始化起始效应。 公开了使用这些传感器的磁盘驱动器。
IPC结构图谱:
G | 物理 |
--G01 | 测量;测试 |
----G01R | 测量电变量;测量磁变量(通过转换成电变量对任何种类的物理变量进行测量参见G01类名下的 |
------G01R33/00 | 测量磁变量的装置或仪器 |