Invention Grant
- Patent Title: Magnetic sensor including a spin-valve GMR device
- Patent Title (中): 磁传感器包括自旋阀GMR装置
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Application No.: US12053219Application Date: 2008-03-21
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Publication No.: US07956609B2Publication Date: 2011-06-07
- Inventor: Susumu Haratani , Hitoshi Yamaguchi , Naoki Ohta
- Applicant: Susumu Haratani , Hitoshi Yamaguchi , Naoki Ohta
- Applicant Address: JP Tokyo
- Assignee: TDK Corporation
- Current Assignee: TDK Corporation
- Current Assignee Address: JP Tokyo
- Agency: Oliff & Berridge, PLC
- Priority: JPP2007-092486 20070330
- Main IPC: G01R33/02
- IPC: G01R33/02 ; G01B7/30 ; G01B7/14
Abstract:
The magnetic sensor comprises a spin-valve GMR including a free layer having an elongated form as seen in a laminating direction and a permanent magnet layer having an elongated form as seen in the laminating direction. The permanent magnet layer is arranged in parallel with the free layer.
Public/Granted literature
- US20080238420A1 MAGNETIC SENSOR Public/Granted day:2008-10-02
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