Exchange coupling film, magnetoresistance effect device, magnetoresistance effective head and method
PH11999000087B1Inactive Publication Date: 2004-11-12PANASONIC HOLDINGS CORP
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Patent Information
- Application Number
- PH11999000087
- Authority / Receiving Office
- PH · PH
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 1999-01-14
- Publication Date
- 2004-11-12
- Estimated Expiration
- Not applicable · inactive patent
Abstract
An exchange coupling film of the present invention includes a ferromagnetic layer and a pinning layer which is provided in contact with the ferromagnetic layer for pinning a magnetization direction of the ferromagnetic layer, the pinning layer including an (AB)2 Ox layer, wherein: O denotes an oxygen atom; 2.8
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