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公开(公告)号：US20120147503A1
公开(公告)日：2012-06-14
申请号：US12966453
申请日：2010-12-13
申请人： Jie Zou , David Christopher Seets , James Wessel , Jianhua Xue , Lixin Jia
发明人： Jie Zou , David Christopher Seets , James Wessel , Jianhua Xue , Lixin Jia
CPC分类号： G11B5/1278 , G11B5/3116 , G11B5/3146 , G11B5/315
摘要： An apparatus illustratively includes a return pole (RP) and a shield. The RP has a first RP magnetic layer, a second RP magnetic layer, and a RP non-magnetic layer. The RP non-magnetic layer separates and magnetically decouples the RP first and second magnetic layers. The shield has a first shield magnetic layer, a second shield magnetic layer, and a shield non-magnetic layer. The shield non-magnetic layer separates and magnetically decouples the shield first and second magnetic layers. A method illustratively includes generating magnetic flux and collecting the magnetic flux through an inner magnetic shell.
摘要翻译： 装置示例性地包括返回杆（RP）和护罩。 RP具有第一RP磁性层，第二RP磁性层和RP非磁性层。 RP非磁性层分离并使RP第一和第二磁性层磁耦合。 屏蔽具有第一屏蔽磁性层，第二屏蔽磁性层和屏蔽非磁性层。 屏蔽非磁性层分离并磁屏蔽第一和第二磁性层。 一种示例性的方法包括产生磁通量并收集通过内部磁性壳体的磁通量。
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公开(公告)号：US08649124B2
公开(公告)日：2014-02-11
申请号：US12966453
申请日：2010-12-13
申请人： Jie Zou , David Seets , James Wessel , Jianhua Xue , Lixin Jia
发明人： Jie Zou , David Seets , James Wessel , Jianhua Xue , Lixin Jia
CPC分类号： G11B5/1278 , G11B5/3116 , G11B5/3146 , G11B5/315
摘要： An apparatus illustratively includes a return pole (RP) and a shield. The RP has a first RP magnetic layer, a second RP magnetic layer, and a RP non-magnetic layer. The RP non-magnetic layer separates and magnetically decouples the RP first and second magnetic layers. The shield has a first shield magnetic layer, a second shield magnetic layer, and a shield non-magnetic layer. The shield non-magnetic layer separates and magnetically decouples the shield first and second magnetic layers. A method illustratively includes generating magnetic flux and collecting the magnetic flux through an inner magnetic shell.
摘要翻译： 装置示例性地包括返回杆（RP）和护罩。 RP具有第一RP磁性层，第二RP磁性层和RP非磁性层。 RP非磁性层分离并使RP第一和第二磁性层磁耦合。 屏蔽具有第一屏蔽磁性层，第二屏蔽磁性层和屏蔽非磁性层。 屏蔽非磁性层分离并磁屏蔽第一和第二磁性层。 一种示例性的方法包括产生磁通量并收集通过内部磁性壳体的磁通量。
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公开(公告)号：US08982507B2
公开(公告)日：2015-03-17
申请号：US12879791
申请日：2010-09-10
申请人： Eric Meloche , Bin Lu , Lixin Jia , Jianhua Xue , John David Westwood , Mark Anthony Gubbins , Alexandru Cazacy
发明人： Eric Meloche , Bin Lu , Lixin Jia , Jianhua Xue , John David Westwood , Mark Anthony Gubbins , Alexandru Cazacy
CPC分类号： G11B5/11 , G11B5/1278 , G11B5/3116 , G11B5/315
摘要： Data storage systems having barriers that may reduce erasure flux and increase write-ability are provided. Data storage systems include a writing element. The writing element has a write pole with a flare region. A magnetic flux barrier is located along the write pole flare region. The magnetic flux barrier is illustratively made from an in-plane magnetically anisotropic material that has an easy plane of magnetization. In another embodiment, a data storage system includes a writing element having an air bearing surface and a shield at the air bearing surface. The shield has a magnetic permeability of approximately zero. The shield illustratively includes alternating layers of positive and negative permeabilities. The shield optionally includes a plurality of shields that may include top, bottom, and side shields.
摘要翻译： 提供了具有可能减少擦除通量并增加写入能力的障碍的数据存储系统。 数据存储系统包括写入元件。 写入元件具有带闪光区域的写入极。 磁通势垒位于写磁极耀斑区域。 磁通势垒示意性地由具有易磁化平面的面内磁各向异性材料制成。 在另一个实施例中，数据存储系统包括具有空气轴承表面和在空气支承表面处的屏蔽的书写元件。 屏蔽具有大约零的磁导率。 屏蔽件示例性地包括正和负磁导率的交替层。 屏蔽件可选地包括可以包括顶部，底部和侧部屏蔽件的多个屏蔽件。
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公开(公告)号：US20120063032A1
公开(公告)日：2012-03-15
申请号：US12879791
申请日：2010-09-10
申请人： Eric Meloche , Bin Lu , Lixin Jia , Jianhua Xue , John David Westwood , Mark Anthony Gubbins , Alexandru Cazacu
发明人： Eric Meloche , Bin Lu , Lixin Jia , Jianhua Xue , John David Westwood , Mark Anthony Gubbins , Alexandru Cazacu
IPC分类号： G11B5/127
CPC分类号： G11B5/11 , G11B5/1278 , G11B5/3116 , G11B5/315
摘要： Data storage systems having barriers that may reduce erasure flux and increase write-ability are provided. Data storage systems include a writing element. The writing element has a write pole with a flare region. A magnetic flux barrier is located along the write pole flare region. The magnetic flux barrier is illustratively made from an in-plane magnetically anisotropic material that has an easy plane of magnetization. In another embodiment, a data storage system includes a writing element having an air bearing surface and a shield at the air bearing surface. The shield has a magnetic permeability of approximately zero. The shield illustratively includes alternating layers of positive and negative permeabilities. The shield optionally includes a plurality of shields that may include top, bottom, and side shields.
摘要翻译： 提供了具有可能减少擦除通量并增加写入能力的障碍的数据存储系统。 数据存储系统包括写入元件。 写入元件具有带闪光区域的写入极。 磁通势垒位于写磁极耀斑区域。 磁通势垒示意性地由具有易磁化平面的面内磁各向异性材料制成。 在另一个实施例中，数据存储系统包括具有空气轴承表面和在空气支承表面处的屏蔽的书写元件。 屏蔽具有大约零的磁导率。 屏蔽件示例性地包括正和负磁导率的交替层。 屏蔽件可选地包括可以包括顶部，底部和侧部屏蔽件的多个屏蔽件。
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公开(公告)号：US20120087648A1
公开(公告)日：2012-04-12
申请号：US12902827
申请日：2010-10-12
申请人： Ke Qin Gao , Nageswara Rao Nukala , Vikas Mittal , Malleswaraprasad Sunkara , Lixin Jia , Quang Chan Tieu
发明人： Ke Qin Gao , Nageswara Rao Nukala , Vikas Mittal , Malleswaraprasad Sunkara , Lixin Jia , Quang Chan Tieu
IPC分类号： G02F1/00
CPC分类号： H04J14/028 , H04J14/0201 , H04J14/0264 , H04J14/0295
摘要： A method is provided for protection switching in an optical network. The method may include communicating a switch request for initiation of protection switching in response to a determination that at least a minimum frequency of interrupts indicating failure of an optical signal has occurred over a first period. The method may also include communicating a switch request for cessation of protection switching in response to a determination that no more than a maximum frequency of interrupts indicating failure of an optical signal has occurred over a second period.
摘要翻译： 提供了一种用于光网络中的保护切换的方法。 该方法可以响应于确定在第一周期内至少发生指示光信号故障的中断的最小频率的确定，来传送开始保护切换的切换请求。 该方法还可以响应于在第二周期内不超过指示光信号故障的中断的最大频率的确定来传送用于停止保护切换的切换请求。
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