Invention Grant
US09281469B2 Magnetic seed for improving blocking temperature and shield to shield spacing in a TMR sensor
有权
用于提高阻挡温度和屏蔽TMR传感器屏蔽间隔的磁性种子
- Patent Title: Magnetic seed for improving blocking temperature and shield to shield spacing in a TMR sensor
- Patent Title (中): 用于提高阻挡温度和屏蔽TMR传感器屏蔽间隔的磁性种子
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Application No.: US14580329Application Date: 2014-12-23
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Publication No.: US09281469B2Publication Date: 2016-03-08
- Inventor: Junjie Quan , Kunliang Zhang , Min Li , Hui-Chuan Wang
- Applicant: Headway Technologies, Inc.
- Applicant Address: US CA Milpitas
- Assignee: Headway Technologies, Inc.
- Current Assignee: Headway Technologies, Inc.
- Current Assignee Address: US CA Milpitas
- Agency: Saile Ackerman LLC
- Agent Stephen B. Ackerman; Rosemary L. S. Pike
- Main IPC: H01L43/10
- IPC: H01L43/10 ; H01L43/12 ; G01R33/09 ; H01L43/08 ; H01L43/02
Abstract:
The blocking temperature of the AFM layer in a TMR sensor has been raised by inserting a magnetic seed layer between the AFM layer and the bottom shield. This gives the device improved thermal stability, including improved SNR and BER.
Public/Granted literature
- US20150108593A1 Magnetic Seed for Improving Blocking Temperature and Shield to Shield Spacing in a TMR Sensor Public/Granted day:2015-04-23
Information query
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