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公开(公告)号：US20120032673A1
公开(公告)日：2012-02-09
申请号：US13274258
申请日：2011-10-14
申请人： Shuji MAEKAWA , Kota ASATSUMA , Fumihito KOIKE , Hideto ANDO
发明人： Shuji MAEKAWA , Kota ASATSUMA , Fumihito KOIKE , Hideto ANDO
IPC分类号： G01R33/02
CPC分类号： H01L43/08 , B82Y25/00 , G01R33/093 , G01R33/098
摘要： First magnetoresistive effect elements and second magnetoresistive effect elements and are formed on the same substrate. A pinned magnetic layer of each of the first magnetoresistive effect elements has a three-layer laminated ferrimagnetic structure including magnetic layers. A pinned magnetic layer of each of the second magnetoresistive effect elements has a two-layer laminated ferrimagnetic structure including magnetic layers. The magnetization direction of the third magnetic layer of each of the magnetoresistive effect elements is antiparallel to the magnetization direction of the second magnetic layer of each of the second magnetoresistive effect elements.
摘要翻译： 第一磁阻效应元件和第二磁阻效应元件并形成在相同的衬底上。 每个第一磁阻效应元件的钉扎磁性层具有包括磁性层的三层叠层铁磁结构。 每个第二磁阻效应元件的钉扎磁性层具有包括磁性层的双层叠层铁磁结构。 每个磁阻效应元件的第三磁性层的磁化方向与每个第二磁阻效应元件的第二磁性层的磁化方向反平行。
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公开(公告)号：US07957096B2
公开(公告)日：2011-06-07
申请号：US12130209
申请日：2008-05-30
CPC分类号： G11B5/1278 , G11B5/3116 , G11B5/3133
摘要： In a perpendicular magnetic recording head comprising a main magnetic pole layer and a return yoke layer which are laminated with a magnetic gap layer interposed therebetween, a nonmagnetic throat height determining layer and a return yoke reinforcement layer made of a magnetic material having a saturated magnetic flux density higher than that of the return yoke layer are provided on the magnetic gap layer. The nonmagnetic throat height determining layer has a front end face parallel to the medium-opposing surface at a position retracted by a desirable throat height from the medium-opposing surface. The return yoke reinforcement layer is formed directly under the return yoke layer so as to extend at least from the front end face of the nonmagnetic throat height determining layer to the upper face thereof, and is exposed at the medium-opposing surface between the magnetic gap layer and return yoke layer.
摘要翻译： 在包括主要磁极层和返回磁轭层的垂直磁记录头中，其间夹有磁隙层，由非磁性喉部高度确定层和由具有饱和磁通量的磁性材料制成的返回磁轭加强层 在磁隙层上设置高于返回磁轭层的密度。 非磁性喉部高度确定层在与介质相对表面缩回期望的喉部高度的位置处具有平行于介质相对表面的前端面。 返回轭加强层直接形成在返回轭层的下方，至少从非磁性喉部高度确定层的前端面延伸到其上表面，并且在磁隙之间的介质相对表面处露出 层和返回轭层。
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公开(公告)号：US20080304179A1
公开(公告)日：2008-12-11
申请号：US12130209
申请日：2008-05-30
IPC分类号： G11B5/33
CPC分类号： G11B5/1278 , G11B5/3116 , G11B5/3133
摘要： In a perpendicular magnetic recording head comprising a main magnetic pole layer and a return yoke layer which are laminated with a magnetic gap layer interposed therebetween, a nonmagnetic throat height determining layer and a return yoke reinforcement layer made of a magnetic material having a saturated magnetic flux density higher than that of the return yoke layer are provided on the magnetic gap layer. The nonmagnetic throat height determining layer has a front end face parallel to the medium-opposing surface at a position retracted by a desirable throat height from the medium-opposing surface. The return yoke reinforcement layer is formed directly under the return yoke layer so as to extend at least from the front end face of the nonmagnetic throat height determining layer to the upper face thereof, and is exposed at the medium-opposing surface between the magnetic gap layer and return yoke layer.
摘要翻译： 在包括主要磁极层和返回磁轭层的垂直磁记录头中，其间夹有磁隙层，由非磁性喉部高度确定层和由具有饱和磁通量的磁性材料制成的返回磁轭加强层 在磁隙层上设置高于返回磁轭层的密度。 非磁性喉部高度确定层在与介质相对表面缩回期望的喉部高度的位置处具有平行于介质相对表面的前端面。 返回轭加强层直接形成在返回轭层的下方，至少从非磁性喉部高度确定层的前端面延伸到其上表面，并且在磁隙之间的介质相对表面处露出 层和返回轭层。
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