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31. 发明授权

US07916425B2 Magnetic head having angled pole portions 有权
标题翻译：磁头具有倾斜的极部
公开(公告)号：US07916425B2
公开(公告)日：2011-03-29
申请号：US11812757
申请日：2007-06-21
申请人： Yoshitaka Sasaki , Hiroyuki Itoh , Hironori Araki , Shigeki Tanemura , Kazuo Ishizaki , Lijie Guan , Takehiro Horinaka
发明人： Yoshitaka Sasaki , Hiroyuki Itoh , Hironori Araki , Shigeki Tanemura , Kazuo Ishizaki , Lijie Guan , Takehiro Horinaka
IPC分类号： G11B5/127
CPC分类号： G11B5/3116 , G11B5/1278
摘要： A magnetic head includes: a pole layer; a nonmagnetic layer disposed on part of the top surface of the pole layer; a gap layer disposed on the pole layer and the nonmagnetic layer; and a shield disposed on the gap layer. The top surface of the pole layer includes: a first portion having a first edge located in a medium facing surface and a second edge opposite thereto; and a second portion located farther from the medium facing surface than the first portion and connected to the first portion at the second edge. The first portion is inclined with respect to a direction orthogonal to the medium facing surface so that the distance from a substrate increases with increasing distance from the medium facing surface. The nonmagnetic layer has a bottom surface touching the second portion, and this bottom surface has an edge located at the second edge.
摘要翻译：磁头包括：极层; 设置在所述极层的顶表面的一部分上的非磁性层; 设置在所述极层和所述非磁性层上的间隙层; 以及设置在间隙层上的屏蔽件。极层的顶表面包括：第一部分，其具有位于介质相对表面中的第一边缘和与其相对的第二边缘; 以及位于比所述第一部分更远离所述介质面对表面并且在所述第二边缘处连接到所述第一部分的第二部分。第一部分相对于与介质相对表面正交的方向倾斜，使得距衬底的距离随着距离介质面向表面的距离的增加而增加。非磁性层具有接触第二部分的底面，该底面具有位于第二边缘的边缘。

32. 发明授权

US07910011B2 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：US07910011B2
公开(公告)日：2011-03-22
申请号：US12153987
申请日：2008-05-28
申请人： Hironori Araki , Yoshitaka Sasaki , Hiroyuki Itoh , Shigeki Tanemura , Kazuo Ishizaki
发明人： Hironori Araki , Yoshitaka Sasaki , Hiroyuki Itoh , Shigeki Tanemura , Kazuo Ishizaki
IPC分类号： B44C1/22
CPC分类号： G11B5/3116 , G11B5/1278 , G11B5/3163
摘要： A magnetic head includes: a pole layer including a track width defining portion and a wide portion; and an encasing layer disposed on a bottom forming layer and having a groove that accommodates the pole layer. The groove includes a first portion for accommodating at least part of the track width defining portion, and a second portion for accommodating at least part of the wide portion. A manufacturing method for the magnetic head includes: the step of etching a nonmagnetic layer that will become the encasing layer later, such that an initial groove including the first portion is formed in the nonmagnetic layer; the step of forming an initial groove mask covering the first portion; and a second etching step for etching the nonmagnetic layer so as to complete the groove. When the second etching step starts, a portion of the top surface of the bottom forming layer located in a region in which the second portion is to be formed is covered with the nonmagnetic layer or the initial groove mask.
摘要翻译：磁头包括：包括轨道宽度限定部分和宽部分的极层; 以及设置在底部形成层上并具有容纳极层的槽的封装层。凹槽包括用于容纳轨道宽度限定部分的至少一部分的第一部分和用于容纳至少部分宽部分的第二部分。磁头的制造方法包括以下步骤：在非磁性层中形成包含第一部分的初始槽，从而蚀刻将成为封装层的非磁性层; 形成覆盖所述第一部分的初始槽掩模的步骤; 以及用于蚀刻非磁性层以完成凹槽的第二蚀刻步骤。当第二蚀刻步骤开始时，位于要形成第二部分的区域中的底部形成层的顶表面的一部分被非磁性层或初始凹槽掩模覆盖。

33. 发明授权

US07656612B2 Magnetic head having a patterned pole layer 有权
标题翻译：具有图案化极层的磁头
公开(公告)号：US07656612B2
公开(公告)日：2010-02-02
申请号：US11443048
申请日：2006-05-31
申请人： Yoshitaka Sasaki , Kazuo Ishizaki , Hiroyuki Itoh
发明人： Yoshitaka Sasaki , Kazuo Ishizaki , Hiroyuki Itoh
IPC分类号： G11B5/127
CPC分类号： G01R33/093 , B82Y25/00 , G11B5/1278 , G11B5/3116 , G11B5/3163 , G11B5/3967 , Y10T29/49039 , Y10T29/49043 , Y10T29/49044 , Y10T29/49046 , Y10T29/49048 , Y10T29/49052
摘要： The system includes a magnetic head which faces a recording medium. The magnetic head has a coil which generates magnetic fields. The magnetic head also has a pole layer which is formed using a pattern. The pole layer allows magnetic flux generated by the coil to write data onto the recording medium. The pole layer generates a write magnetic field for writing data onto the recording medium.A photomask is used to form the magnetic head. The photomask includes three regions. The first region has such a perimeter that a projection image thereof is shaped along a perimeter of an ideal shape of the top surface of the pole layer, and the second region touches the first region's perimeter. The third region suppresses deviation of the pole layer from its desired shape which may be caused by the effect of light reflected while the photoresist layer is exposed.
摘要翻译：该系统包括面向记录介质的磁头。磁头具有产生磁场的线圈。磁头还具有使用图案形成的极层。极层允许由线圈产生的磁通量将数据写入记录介质。极层产生用于将数据写入记录介质的写磁场。光掩模用于形成磁头。光掩模包括三个区域。第一区域具有这样的周边，使得其投影图像沿着极层顶表面的理想形状的周边成形，并且第二区域接触第一区域的周边。第三区域抑制极性层与其期望形状的偏差，这可能是由光致抗蚀剂层暴露时反射的光的影响引起的。

34. 发明申请

US20090277870A1 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：US20090277870A1
公开(公告)日：2009-11-12
申请号：US12149987
申请日：2008-05-12
申请人： Yoshitaka Sasaki , Hiroyuki Itoh , Hironori Araki , Shigeki Tanemura , Kazuo Ishizaki , Takehiro Horinaka
发明人： Yoshitaka Sasaki , Hiroyuki Itoh , Hironori Araki , Shigeki Tanemura , Kazuo Ishizaki , Takehiro Horinaka
IPC分类号： B44C1/22
CPC分类号： G11B5/3163 , G11B5/1278 , G11B5/3116
摘要： A magnetic head includes a pole layer, and an encasing layer having a groove that accommodates the pole layer. A manufacturing method for the magnetic head includes the steps of forming a nonmagnetic layer that will later undergo formation of the groove therein and will thereby become the encasing layer; forming the groove in the nonmagnetic layer so that the nonmagnetic layer becomes the encasing layer; and forming the pole layer such that the pole layer is accommodated in the groove of the encasing layer. The nonmagnetic layer is formed of Al2O3. The step of forming the groove in the nonmagnetic layer includes the step of taper-etching the nonmagnetic layer by reactive ion etching with an etching gas containing at least BCl3 and N2 among BCl3, Cl2 and N2.
摘要翻译：磁头包括极层和具有容纳极层的凹槽的封装层。磁头的制造方法包括以下步骤：形成将在其中形成凹槽的非磁性层，从而成为包层; 在非磁性层中形成凹槽，使得非磁性层成为包层; 以及形成所述极层，使得所述极层容纳在所述封装层的槽中。非磁性层由Al2O3形成。在非磁性层中形成槽的步骤包括通过在BCl 3，Cl 2和N 2中至少含有BCl 3和N 2的蚀刻气体的反应离子蚀刻来对非磁性层进行锥蚀刻的步骤。

35. 发明申请

US20050050715A1 Method of manufacturing thin-film magnetic head 有权
标题翻译：制造薄膜磁头的方法
公开(公告)号：US20050050715A1
公开(公告)日：2005-03-10
申请号：US10654421
申请日：2003-09-04
申请人： Yoshitaka Sasaki , Hiroyuki Itoh , Shigeki Tanemura , Kazuo Ishizaki , Takehiro Kamigama
发明人： Yoshitaka Sasaki , Hiroyuki Itoh , Shigeki Tanemura , Kazuo Ishizaki , Takehiro Kamigama
IPC分类号： G11B5/127 , G11B5/31 , H04R31/00
CPC分类号： G11B5/3116 , G11B5/3163 , Y10T29/49032 , Y10T29/49041 , Y10T29/49046 , Y10T29/49048 , Y10T29/49052 , Y10T29/4906 , Y10T29/49073
摘要： A thin-film magnetic head comprises a top pole layer incorporating a throat height defining layer and a yoke portion layer. The throat height defining layer is formed as follows. A magnetic layer to be a track width defining portion is formed on a recording gap layer. Next, the magnetic layer is selectively etched through the use of a mask so as to form an end portion of the magnetic layer for defining the throat height. Next, a nonmagnetic layer is formed to fill the etched portion of the magnetic layer while the mask is left unremoved. Next, the yoke portion layer is formed. Using the track width defining portion as a mask, the magnetic layer, the recording gap layer and a portion of the bottom pole layer are etched.
摘要翻译：薄膜磁头包括结合有喉部高度限定层和磁轭部分层的顶极层。喉部高度限定层形成如下。作为轨道宽度限定部分的磁性层形成在记录间隙层上。接下来，通过使用掩模来选择性地蚀刻磁性层，以形成用于限定喉部高度的磁性层的端部。接下来，形成非磁性层以填充磁性层的蚀刻部分，同时掩模未被除去。接着，形成轭部层。使用轨道宽度限定部分作为掩模，蚀刻磁性层，记录间隙层和底极层的一部分。

36. 发明申请

US20100154198A1 Sensing unit and method of making same 有权
标题翻译：感应单元及其制作方法
公开(公告)号：US20100154198A1
公开(公告)日：2010-06-24
申请号：US12659337
申请日：2010-03-04
申请人： Yoshitaka Sasaki , Tatsushi Shimizu , Takehiro Horinaka , Kazuo Ishizaki , Shigeki Tanemura
发明人： Yoshitaka Sasaki , Tatsushi Shimizu , Takehiro Horinaka , Kazuo Ishizaki , Shigeki Tanemura
IPC分类号： H05K13/00
CPC分类号： G01P15/105 , G01P15/08 , G01P15/0802 , Y10T29/49002 , Y10T29/49007 , Y10T29/4913 , Y10T29/49146 , Y10T29/49171 , Y10T29/49176 , Y10T29/4922
摘要： In a sensing unit according to the present invention, a spring portion having a support portion and a movable portion is conductive. A signal of a sensor portion provided on the movable portion of the spring portion is transmitted via the spring portion. Hence, the sensing unit according to the present invention has a simple constitution with a small number of components, and a wire does not necessarily have to be provided for each sensor portion. As a result, a reduction in manufacturing cost, simplification of the manufacturing process, and so on are achieved.
摘要翻译：在根据本发明的感测单元中，具有支撑部分和可移动部分的弹簧部分是导电的。设置在弹簧部分的可动部分上的传感器部分的信号通过弹簧部分传递。因此，根据本发明的感测单元具有数量少的部件的简单结构，并且不一定必须为每个传感器部分提供电线。结果，实现了制造成本的降低，制造工艺的简化等。

37. 发明授权

US08184398B2 Magnetic head that suppresses protrusion of medium facing surface caused by heat of coil 有权
标题翻译：磁头可抑制由线圈热引起的介质面对面的突出
公开(公告)号：US08184398B2
公开(公告)日：2012-05-22
申请号：US12314565
申请日：2008-12-12
申请人： Hironori Araki , Yoshitaka Sasaki , Hiroyuki Ito , Takehiro Horinaka , Kazuo Ishizaki , Shigeki Tanemura
发明人： Hironori Araki , Yoshitaka Sasaki , Hiroyuki Ito , Takehiro Horinaka , Kazuo Ishizaki , Shigeki Tanemura
IPC分类号： G11B5/127 , C25F3/02
CPC分类号： G11B5/3106 , G11B5/17 , G11B5/3136 , Y10T428/1171
摘要： A magnetic head includes a coil, a pole layer, and a coil adjacent layer. The coil includes a winding portion having two side surfaces. The coil adjacent layer is adjacent to at least part of the whole of the two side surfaces of the winding portion. The coil adjacent layer is formed of a nonmagnetic material having a linear thermal expansion coefficient of 5×10−6/° C. or smaller at a temperature of 25° C. to 100° C. and having a thermal conductivity of 40 W/m·K or higher at a temperature of 25° C.
摘要翻译：磁头包括线圈，极层和线圈相邻层。线圈包括具有两个侧表面的绕组部分。线圈相邻层与绕组部分的两个侧表面的整体的至少一部分相邻。线圈相邻层由25℃〜100℃的线性热膨胀系数为5×10 -6 /℃以下的非磁性材料形成，导热率为40W / m·K以上的温度

38. 发明申请

US20070014048A1 Thin-film magnetic head structure, method of manufacturing the same, and thin-film magnetic head 有权
标题翻译：薄膜磁头结构及其制造方法以及薄膜磁头
公开(公告)号：US20070014048A1
公开(公告)日：2007-01-18
申请号：US11179728
申请日：2005-07-13
申请人： Yoshitaka Sasaki , Hiroyuki Ito , Takehiro Kamigama , Tatsushi Shimizu , Hironori Araki , Shigeki Tanemura , Kazuo Ishizaki
发明人： Yoshitaka Sasaki , Hiroyuki Ito , Takehiro Kamigama , Tatsushi Shimizu , Hironori Araki , Shigeki Tanemura , Kazuo Ishizaki
IPC分类号： G11B5/147
CPC分类号： G11B5/3116 , G11B5/1278 , G11B5/3163 , Y10T29/49032
摘要： A method of manufacturing a thin-film magnetic head structure comprises the steps of preparing an insulating layer 10; forming a first resist layer 51 provided with a first slit pattern 51a corresponding to a very narrow groove part and a second slit pattern 51b corresponding to a temporary groove part integrally extending from the very narrow groove part along outer edges of a main depression onto the insulating layer 10; etching the insulating layer 10 while using the first resist layer 51 as a mask; eliminating the first resist layer 51; forming a second resist layer having an opening pattern corresponding to the main depression onto the insulating layer 10; and etching the insulating layer 10 while using the second resist layer as a mask.
摘要翻译：制造薄膜磁头结构的方法包括制备绝缘层10的步骤; 形成第一抗蚀剂层51，其设置有对应于非常窄的槽部的第一狭缝图案51a和对应于沿着主凹部的外边缘从非常窄的槽部整体延伸的临时槽部的第二狭缝图案51b，绝缘层10; 在使用第一抗蚀剂层51作为掩模的同时蚀刻绝缘层10; 消除第一抗蚀剂层51; 在所述绝缘层10上形成具有与所述主凹部对应的开口图案的第二抗蚀剂层; 并且在使用第二抗蚀剂层作为掩模的同时蚀刻绝缘层10。

39. 发明授权

US07141357B2 Method of manufacturing thin-film magnetic head 有权
标题翻译：制造薄膜磁头的方法
公开(公告)号：US07141357B2
公开(公告)日：2006-11-28
申请号：US10786048
申请日：2004-02-26
申请人： Yoshitaka Sasaki , Kazuo Ishizaki , Takehiro Kamigama
发明人： Yoshitaka Sasaki , Kazuo Ishizaki , Takehiro Kamigama
IPC分类号： G11B5/127
CPC分类号： G11B5/3163 , G11B5/3116 , Y10T29/49032
摘要： A track width defining layer includes: a track width defining portion having an end located in the air bearing surface and the other end located opposite to the air bearing surface; and a wide portion coupled to the other end of the track width defining portion. The track width defining layer is formed by frame plating. A frame is formed by exposing and developing a resist layer. The step of exposing the resist layer includes: a first exposure step for forming a first latent image in the resist layer; and a second exposure step for forming a second latent image in the resist layer. The first latent image is made up of a first portion corresponding to the track width defining portion and a second portion adjoining the first portion and extending along the contour of the wide portion. The second latent image is intended for use in combination with the first latent image so as to form a latent image corresponding to the track width defining layer, and does not include a portion corresponding to the track width defining portion.
摘要翻译：轨道宽度限定层包括：轨道宽度限定部分，其具有位于空气轴承表面中的端部，而另一端位于与空气支承表面相对的位置; 并且宽部分联接到轨道宽度限定部分的另一端。轨道宽度限定层通过框架电镀形成。通过曝光和显影抗蚀剂层形成框架。曝光抗蚀剂层的步骤包括：用于在抗蚀剂层中形成第一潜像的第一曝光步骤; 以及在抗蚀剂层中形成第二潜像的第二曝光步骤。第一潜像由对应于轨道宽度限定部分的第一部分和与第一部分邻接并沿着宽部分的轮廓延伸的第二部分组成。第二潜像旨在与第一潜像组合使用以形成对应于轨道宽度限定层的潜像，并且不包括对应于轨道宽度限定部分的部分。

40. 发明授权

US07085099B2 Thin film magnetic head having spiral coils and manufacturing method thereof 有权
标题翻译：具有螺旋线圈的薄膜磁头及其制造方法
公开(公告)号：US07085099B2
公开(公告)日：2006-08-01
申请号：US10759005
申请日：2004-01-20
申请人： Yoshitaka Sasaki , Kazuo Ishizaki , Takehiro Kamigama
发明人： Yoshitaka Sasaki , Kazuo Ishizaki , Takehiro Kamigama
IPC分类号： G11B5/17 , G11B5/147
CPC分类号： G11B5/31
摘要： The invention is directed to improvement of a write element of a thin film magnetic head. In the write element, a lower coil surrounds in a spiral form a back gap portion, arranged within a height of a lower pole. An upper coil is disposed above the lower coil, surrounding in a spiral form the back gap portion and arranged within a height of an upper pole. A gap film is at an intermediate level in the pole length that is defined by the height of the lower pole and the height of the upper pole.
摘要翻译：本发明旨在改进薄膜磁头的写入元件。在写入元件中，下部线圈以螺旋形式包围设置在下极的高度内的后部间隙部分。上部线圈设置在下部线圈的上方，以螺旋形状形成后部间隙部分并且布置在上部极的高度内。间隙膜处于由下极的高度和上极的高度限定的极长度的中间水平。

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