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81. 发明授权

US07951415B2 Method of manufacturing magnetic head for perpendicular magnetic recording 有权
标题翻译：用于垂直磁记录的磁头制造方法
公开(公告)号：US07951415B2
公开(公告)日：2011-05-31
申请号：US12222791
申请日：2008-08-15
申请人： Yoshitaka Sasaki , Dong-Hong Li , Shigeki Tanemura , Hiroyuki Itoh
发明人： Yoshitaka Sasaki , Dong-Hong Li , Shigeki Tanemura , Hiroyuki Itoh
IPC分类号： G11B5/33 , G11B5/39 , G11B5/127
CPC分类号： G11B5/1278 , Y10T428/11 , Y10T428/1107
摘要： A pole layer has an end located in a medium facing surface, the end having: a first side close to a substrate; a second side located opposite to the first side; a third side connecting an end of the first side to an end of the second side; and a fourth side connecting the other end of the first side to the other end of the second side. The second side defines a track width. The end of the pole layer located in the medium facing surface has a width that decreases toward the first side. The pole layer is disposed in a groove of a pole-layer-encasing layer made of a nonmagnetic insulating material, with a nonmagnetic conductive film provided between the encasing layer and the pole layer. The pole layer incorporates: a first layer located closer to the surface of the groove; and a second layer located farther from the surface of the groove.
摘要翻译：极层具有位于介质面向表面中的端部，其端部具有靠近基板的第一侧面; 与第一侧相对的第二侧; 连接所述第一侧端部与所述第二侧端部的第三侧面; 以及将第一侧的另一端与第二侧的另一端连接的第四侧。第二面定义轨道宽度。位于介质相对表面中的极层的端部具有朝向第一侧减小的宽度。极层设置在由非磁性绝缘材料制成的极层包裹层的沟槽中，其中设置在包层和极层之间的非磁性导电膜。极层包括：位于更靠近凹槽表面的第一层; 以及位于距凹槽表面更远的第二层。

82. 发明授权

US07877860B2 Method of manufacturing a magnetic head for perpendicular magnetic recording 有权
标题翻译：制造用于垂直磁记录的磁头的方法
公开(公告)号：US07877860B2
公开(公告)日：2011-02-01
申请号：US12379423
申请日：2009-02-20
申请人： Yoshitaka Sasaki , Hiroyuki Itoh , Shigeki Tanemura , Hironori Araki
发明人： Yoshitaka Sasaki , Hiroyuki Itoh , Shigeki Tanemura , Hironori Araki
IPC分类号： G11B5/127 , H04R31/00
CPC分类号： G11B5/1278 , Y10T29/49021 , Y10T29/49032 , Y10T29/49039 , Y10T29/49043 , Y10T29/49046 , Y10T29/49048 , Y10T29/49052 , Y10T29/4906 , Y10T29/49067
摘要： A method of manufacturing a magnetic head includes the steps of forming an underlying layer, forming a pole layer including a track width defining portion at least by plating, using the underlying layer as an electrode, such that the track width defining portion is disposed on the underlying layer, and removing the underlying layer except a portion below the pole layer by ion beam etching. The underlying layer is made of a conductive material whose etching rate of ion beam etching is higher than that of the magnetic alloy used to make the pole layer.
摘要翻译：一种制造磁头的方法包括以下步骤：使用下面的层作为电极，形成至少通过电镀形成包括轨道宽度限定部分的磁极层的极层，使得轨道宽度限定部分位于并且通过离子束蚀刻除去除了极层下方的部分之外的下层。下层由导电材料制成，其离子束蚀刻的蚀刻速率高于用于制造极层的磁性合金的蚀刻速率。

83. 发明申请

US20080317969A1 Method of manufacturing magnetic head for perpendicular magnetic recording 有权
标题翻译：用于垂直磁记录的磁头制造方法
公开(公告)号：US20080317969A1
公开(公告)日：2008-12-25
申请号：US12222791
申请日：2008-08-15
申请人： Yoshitaka Sasaki , Dong-Hong Li , Shigeki Tanemura , Hiroyuki Itoh
发明人： Yoshitaka Sasaki , Dong-Hong Li , Shigeki Tanemura , Hiroyuki Itoh
IPC分类号： C23C14/00 , B05D7/22
CPC分类号： G11B5/1278 , Y10T428/11 , Y10T428/1107
摘要： A pole layer has an end located in a medium facing surface, the end having: a first side close to a substrate; a second side located opposite to the first side; a third side connecting an end of the first side to an end of the second side; and a fourth side connecting the other end of the first side to the other end of the second side. The second side defines a track width. The end of the pole layer located in the medium facing surface has a width that decreases toward the first side. The pole layer is disposed in a groove of a pole-layer-encasing layer made of a nonmagnetic insulating material, with a nonmagnetic conductive film provided between the encasing layer and the pole layer. The pole layer incorporates: a first layer located closer to the surface of the groove; and a second layer located farther from the surface of the groove.
摘要翻译：极层具有位于介质面向表面中的端部，其端部具有靠近基板的第一侧面; 与第一侧相对的第二侧; 连接所述第一侧端部与所述第二侧端部的第三侧面; 以及将第一侧的另一端与第二侧的另一端连接的第四侧。第二面定义轨道宽度。位于介质相对表面中的极层的端部具有朝向第一侧减小的宽度。极层设置在由非磁性绝缘材料制成的极层包裹层的沟槽中，其中设置在包层和极层之间的非磁性导电膜。极层包括：位于更靠近凹槽表面的第一层; 以及位于距凹槽表面更远的第二层。

84. 发明申请

US20080088972A1 Magnetic head for perpendicular magnetic recording and method of manufacturing same 有权
标题翻译：用于垂直磁记录的磁头及其制造方法
公开(公告)号：US20080088972A1
公开(公告)日：2008-04-17
申请号：US11546961
申请日：2006-10-13
申请人： Yoshitaka Sasaki , Hiroyuki Itoh , Shigeki Tanemura , Tatsushi Shimizu , Tatsuya Shimizu
发明人： Yoshitaka Sasaki , Hiroyuki Itoh , Shigeki Tanemura , Tatsushi Shimizu , Tatsuya Shimizu
IPC分类号： G11B5/127
CPC分类号： G11B5/1278 , G11B5/112 , G11B5/23 , G11B5/3116 , G11B5/3123 , G11B5/3136 , G11B5/315 , G11B5/3163 , G11B5/3169
摘要： A magnetic head comprises a pole layer, a first coil, a second coil, and a shield. The shield incorporates: a first portion located backward of the pole layer along the direction of travel of a recording medium; a second portion located forward of the pole layer along the direction of travel of the recording medium; and two coupling portions. The first portion has an end face located in a medium facing surface. The two coupling portions couple the first and second portions to each other without touching the pole layer. Part of the first coil passes through a space surrounded by the pole layer and the first portion. Part of the second coil passes through a space surrounded by the pole layer and the second portion.
摘要翻译：磁头包括极层，第一线圈，第二线圈和屏蔽。屏蔽包括：沿着记录介质的行进方向位于极层的后方的第一部分; 位于所述极层之前沿着所述记录介质的行进方向的第二部分; 和两个联接部分。第一部分具有位于面向介质的表面中的端面。两个耦合部分将第一和第二部分彼此耦合，而不接触极层。第一线圈的一部分通过由极层和第一部分包围的空间。第二线圈的一部分通过由极层和第二部分包围的空间。

85. 发明申请

US20060061907A1 Magnetic head for perpendicular magnetic recording and method of manufacturing same 失效
标题翻译：用于垂直磁记录的磁头及其制造方法
公开(公告)号：US20060061907A1
公开(公告)日：2006-03-23
申请号：US10944010
申请日：2004-09-20
申请人： Yoshitaka Sasaki , Hiroyuki Itoh , Shigeki Tanemura , Hironori Araki
发明人： Yoshitaka Sasaki , Hiroyuki Itoh , Shigeki Tanemura , Hironori Araki
IPC分类号： G11B5/147
CPC分类号： G11B5/1278 , Y10T29/49021 , Y10T29/49032 , Y10T29/49039 , Y10T29/49043 , Y10T29/49046 , Y10T29/49048 , Y10T29/49052 , Y10T29/4906 , Y10T29/49067
摘要： A magnetic head comprises a pole layer that allows a magnetic flux corresponding to a magnetic field generated by a coil to pass therethrough and that generates a write magnetic field for writing data on a recording medium by using the perpendicular magnetic recording system. The pole layer includes a track width defining portion having an end face located in a medium facing surface. An underlying layer is disposed below the track width defining portion. The end face of the track width defining portion located in the medium facing surface has a width that decreases as the distance from a side close to a substrate decreases. The width of the underlying layer taken in the medium facing surface is equal to or smaller than the length of the side close to the substrate. The underlying layer is made of a material whose etching rate of ion beam etching is higher than that of a magnetic alloy making up the pole layer.
摘要翻译：磁头包括极层，其允许对应于由线圈产生的磁场的磁通通过，并且通过使用垂直磁记录系统产生用于将数据写入记录介质的写入磁场。极层包括具有位于介质相对表面中的端面的轨道宽度限定部分。底层设置在轨道宽度限定部分的下方。位于介质相对表面中的轨道宽度限定部分的端面具有随着距靠近基板的一侧的距离减小而减小的宽度。在与介质相对的表面中取下的下层的宽度等于或小于靠近基板的一侧的长度。底层由离子束蚀刻的蚀刻速率高于构成极层的磁性合金的蚀刻速率的材料制成。

86. 发明授权

US08163186B2 Method of manufacturing magnetic head, and magnetic head sub-structure 有权
标题翻译：制造磁头和磁头子结构的方法
公开(公告)号：US08163186B2
公开(公告)日：2012-04-24
申请号：US12155734
申请日：2008-06-09
申请人： Yoshitaka Sasaki , Hiroyuki Itoh , Shigeki Tanemura , Hironori Araki
发明人： Yoshitaka Sasaki , Hiroyuki Itoh , Shigeki Tanemura , Hironori Araki
IPC分类号： G11B5/127
CPC分类号： G11B5/3163 , G11B5/1278 , G11B5/3173 , Y10T29/49037 , Y10T29/49044
摘要： A method of manufacturing magnetic heads comprises the step of: fabricating a magnetic head substructure by forming a plurality of components of the magnetic heads on a single substrate, wherein a plurality of rows of pre-head portions that will be the respective magnetic heads later are aligned in the substructure; and fabricating the magnetic heads by separating the pre-head portions from one another through cutting the substructure. In the step of fabricating the substructure, a plurality of indicators are formed, each of the indicators serving as a reference for indicating the location of a region ABS in which the medium facing surfaces of the magnetic heads are to be formed.
摘要翻译：制造磁头的方法包括以下步骤：通过在单个基板上形成磁头的多个部件来制造磁头子结构，其中稍后将成为相应磁头的多行预磁头部分是在子结构中排列; 以及通过切割子结构将前头部彼此分开来制造磁头。在制造子结构的步骤中，形成多个指示器，每个指示器用作用于指示要形成磁头的介质相对表面的区域ABS的位置的基准。

87. 发明授权

US07957097B2 Magnetic head for perpendicular magnetic recording and method of manufacturing same 有权
标题翻译：用于垂直磁记录的磁头及其制造方法
公开(公告)号：US07957097B2
公开(公告)日：2011-06-07
申请号：US11819667
申请日：2007-06-28
申请人： Yoshitaka Sasaki , Hiroyuki Itoh , Hironori Araki , Shigeki Tanemura , Moris Dovek
发明人： Yoshitaka Sasaki , Hiroyuki Itoh , Hironori Araki , Shigeki Tanemura , Moris Dovek
IPC分类号： G11B5/127
CPC分类号： G11B5/1278 , G11B5/3116 , G11B5/3163
摘要： An encasing section includes an encasing layer having an encasing groove, and a nonmagnetic film disposed in the encasing groove at a position between the encasing layer and a pole layer. The pole layer includes a track width defining portion and a wide portion. The track width defining portion has a first side surface and a second side surface. The wide portion has a third side surface and a fourth side surface. The encasing layer has a first wall surface and a second wall surface. The distance between the third side surface and the first wall surface is smaller than the distance between the first side surface and the first wall surface. The distance between the fourth side surface and the second wall surface is smaller than the distance between the second side surface and the second wall surface.
摘要翻译：封装部分包括具有封装槽的封装层和在封装槽和极层之间的位置处设置在封装槽中的非磁性膜。极层包括轨道宽度限定部分和宽部分。轨道宽度限定部分具有第一侧表面和第二侧表面。宽部具有第三侧面和第四侧面。包围层具有第一壁表面和第二壁表面。第三侧表面与第一壁表面之间的距离小于第一侧表面和第一壁表面之间的距离。第四侧表面和第二壁表面之间的距离小于第二侧表面和第二壁表面之间的距离。

88. 发明授权

US07796361B2 Magnetic head for perpendicular magnetic recording and method of manufacturing same 有权
标题翻译：用于垂直磁记录的磁头及其制造方法
公开(公告)号：US07796361B2
公开(公告)日：2010-09-14
申请号：US11727371
申请日：2007-03-26
申请人： Yoshitaka Sasaki , Hiroyuki Itoh , Hironori Araki , Shigeki Tanemura
发明人： Yoshitaka Sasaki , Hiroyuki Itoh , Hironori Araki , Shigeki Tanemura
IPC分类号： G11B5/31
CPC分类号： G11B5/3116 , G11B5/1278 , G11B5/3163
摘要： A pole layer has a track width defining portion and a wide portion. The pole layer has: first and second side surfaces located opposite to each other in a first region extending from a medium facing surface to a position at a distance of 10 to 300 nm from the medium facing surface; third and fourth side surfaces located in a second region other than the first region; a fifth side surface located at the boundary between the first and second regions and connecting the first and third side surfaces to each other; and a sixth side surface located at the boundary between the first and second regions and connecting the second and fourth side surfaces to each other. The distance between the first and second side surfaces taken in the track width direction decreases with decreasing distance from the top surface of the substrate. The angle formed by the third and fourth side surfaces with respect to the direction orthogonal to the top surface of the substrate is smaller than that formed by the first and second side surfaces with respect to the direction orthogonal to the top surface of the substrate.
摘要翻译：极层具有轨道宽度限定部分和宽部分。所述极层具有：第一和第二侧表面在从介质相对表面延伸到距介质面向表面10至300nm距离的位置的第一区域中彼此相对; 位于除了第一区域之外的第二区域中的第三和第四侧表面; 第五侧表面，位于第一和第二区域之间的边界处，并且将第一和第三侧表面彼此连接; 以及位于第一和第二区域之间的边界处并将第二和第四侧表面彼此连接的第六侧表面。在轨道宽度方向上取得的第一和第二侧表面之间的距离随着距衬底顶表面的距离减小而减小。由第三和第四侧面相对于与基板顶面垂直的方向形成的角度小于由第一和第二侧面相对于与基板顶面正交的方向形成的角度。

89. 发明授权

US07656613B2 Magnetic head for perpendicular magnetic recording having a specially configured shield layer 有权
标题翻译：用于垂直磁记录的磁头，具有专门设计的屏蔽层
公开(公告)号：US07656613B2
公开(公告)日：2010-02-02
申请号：US12320932
申请日：2009-02-09
申请人： Yoshitaka Sasaki , Hiroyuki Itoh , Dong-Hong Li , Shigeki Tanemura , Hironori Araki
发明人： Yoshitaka Sasaki , Hiroyuki Itoh , Dong-Hong Li , Shigeki Tanemura , Hironori Araki
IPC分类号： G11B5/127
CPC分类号： G11B5/1278
摘要： A magnetic head comprises a pole layer, a shield layer, a gap layer disposed between the pole layer and the shield layer, and a coil. The shield layer incorporates: a first layer disposed on the gap layer; a second layer disposed on the first layer; and a third layer disposed on the second layer. The first layer has an end face located in a medium facing surface. An end face of each of the second and third layers closer to the medium facing surface is located at a distance from the medium facing surface. A first nonmagnetic layer is disposed around the first layer. A second nonmagnetic layer is disposed between the medium facing surface and the end face of the second layer closer to the medium facing surface.
摘要翻译：磁头包括极层，屏蔽层，设置在极层和屏蔽层之间的间隙层和线圈。屏蔽层包括：设置在间隙层上的第一层; 设置在所述第一层上的第二层; 以及设置在所述第二层上的第三层。第一层具有位于面向介质的表面中的端面。靠近介质相对表面的第二层和第三层中的每一层的端面位于与介质相对表面一定距离处。第一非磁性层设置在第一层周围。第二非磁性层设置在介质面向表面和第二层的靠近介质面向表面的端面之间。

90. 发明申请

US20090158582A1 Method of manufacturing a magnetic head for perpendicular magnetic recording 有权
公开(公告)号：US20090158582A1
公开(公告)日：2009-06-25
申请号：US12379423
申请日：2009-02-20
申请人： Yoshitaka Sasaki , Hiroyuki Itoh , Shigeki Tanemura , Hironori Araki
发明人： Yoshitaka Sasaki , Hiroyuki Itoh , Shigeki Tanemura , Hironori Araki
IPC分类号： G11B5/127 , H04R31/00
CPC分类号： G11B5/1278 , Y10T29/49021 , Y10T29/49032 , Y10T29/49039 , Y10T29/49043 , Y10T29/49046 , Y10T29/49048 , Y10T29/49052 , Y10T29/4906 , Y10T29/49067
摘要： A method of manufacturing a magnetic head is disclosed. The steps of manufacture include the formation of an underlying layer made of a material whose etching rate of ion beam etching is higher than that of a magnetic alloy used to make a pole layer, and the formation of a magnetic layer, which includes a portion of the magnetic layer to be etched that will be formed into a track width defining portion by making its side surfaces sloped through etching. The magnetic layer is formed such that the portion to be etched is disposed on the underlying layer. The side surfaces of the portion to be etched by the ion beam etching are etched so that the magnetic layer is formed into the pole layer and so that the end face of the track width defining portion located in the medium facing surface has a width that decreases with decreasing distance from the substrate.

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