Invention Grant
US08133332B2 Method for preparing FePt media at low ordering temperature and fabrication of exchange coupled composite media and gradient anisotropy media for magnetic recording
有权
在低有序温度下制备FePt介质的方法，制备交换耦合复合介质和用于磁记录的梯度各向异性介质
- Patent Title: Method for preparing FePt media at low ordering temperature and fabrication of exchange coupled composite media and gradient anisotropy media for magnetic recording
- Patent Title (中): 在低有序温度下制备FePt介质的方法，制备交换耦合复合介质和用于磁记录的梯度各向异性介质
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Application No.: US12369844Application Date: 2009-02-12
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Publication No.: US08133332B2Publication Date: 2012-03-13
- Inventor: Jiaoming Qiu , Yonghua Chen , Ganping Ju
- Applicant: Jiaoming Qiu , Yonghua Chen , Ganping Ju
- Applicant Address: US CA Scotts Valley
- Assignee: Seagate Technology LLC
- Current Assignee: Seagate Technology LLC
- Current Assignee Address: US CA Scotts Valley
- Agency: Pietragallo Gordon Alfano Bosick & Raspanti, LLP
- Agent Robert P. Lenart, Esq.
- Main IPC: C21D1/26
- IPC: C21D1/26
Abstract:
A method includes: constructing a multilayer structure including a first layer of Pt, a first layer of A1 phase FePt on the first layer of Pt, and a second layer of Pt on the layer of FePt, and annealing the multilayer structure to convert the A1 phase FePt to L1o phase FePt.
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