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1. 发明授权

US08045293B2 Thin film magnetic head including thermal deformation-preventing layer 有权
标题翻译：薄膜磁头包括热变形防止层
公开(公告)号：US08045293B2
公开(公告)日：2011-10-25
申请号：US11851692
申请日：2007-09-07
申请人： Kiyoshi Kobayashi , Sumihito Morita , Tomoo Otsuka , Hironori Namba
发明人： Kiyoshi Kobayashi , Sumihito Morita , Tomoo Otsuka , Hironori Namba
IPC分类号： G11B5/31 , G11B5/60 , G11B21/21
CPC分类号： G11B5/3133 , G11B5/3103 , G11B5/3136
摘要： A thin film magnetic head includes a recording and playback element, a lead conductor layer for feeding a power to the recording and playback element, an electrically conductive bump for conductively connecting the lead conductor layer to an electrode pad for external connection, and an insulating protective layer filling between the recording and playback element and the electrically conductive bump. A thermal deformation-preventing layer composed of a material having a thermal expansion coefficient smaller than that of the insulating protective layer is disposed in the insulating protective layer in such a way as to locate between a medium-facing surface and the electrically conductive bump without being exposed at the medium-facing surface. In the resulting thin film magnetic head, protrusion of the recording and playback element toward the recording medium side can be prevented without changing the configuration of the recording and playback element nor the forming material.
摘要翻译：薄膜磁头包括记录和重放元件，用于向记录和回放元件供电的引线导体层，用于将引线导体层导电连接到用于外部连接的电极焊盘的导电凸块，以及绝缘保护记录和再现元件与导电凸块之间的层填充。由热膨胀系数小于绝缘保护层的材料构成的热变形防止层设置在绝缘保护层中，以便定位在介质表面和导电凸块之间，而不会暴露在面向中间的表面。在所得到的薄膜磁头中，可以防止记录和再现元件向记录介质侧的突出，而不改变记录和再现元件的构造以及形成材料。

2. 发明授权

US07957096B2 Perpendicular magnetic recording head and method of manufacturing same 有权
标题翻译：垂直磁记录头及其制造方法
公开(公告)号：US07957096B2
公开(公告)日：2011-06-07
申请号：US12130209
申请日：2008-05-30
申请人： Akira Miyatake , Kiyoshi Kobayashi , Shuji Maekawa , Tomoo Otsuka , Hideyuki Nakano
发明人： Akira Miyatake , Kiyoshi Kobayashi , Shuji Maekawa , Tomoo Otsuka , Hideyuki Nakano
IPC分类号： G11B5/31 , G11B5/127 , G11B5/187
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。

3. 发明授权

US08159782B2 Thin film magnetic head having heating element 有权
标题翻译：具有加热元件的薄膜磁头
公开(公告)号：US08159782B2
公开(公告)日：2012-04-17
申请号：US13020881
申请日：2011-02-04
申请人： Kiyoshi Kobayashi , Sumihito Morita , Tomoo Otsuka
发明人： Kiyoshi Kobayashi , Sumihito Morita , Tomoo Otsuka
IPC分类号： G11B5/31 , G11B5/40
CPC分类号： G11B5/314 , G11B5/1278 , G11B5/3136 , G11B5/3967 , G11B5/6064
摘要： A thin film magnetic head is provided, in which the amount of protrusion in the periphery of an element portion can be reduced or a local temperature increase of electrode leads of a heating element can be prevented. The thin film magnetic head includes a playback element disposed between lower and upper shield layers, a recording element laminated on the upper shield layer, a heating element which is disposed below a coil layer and which generates heat to allow the playback element to protrude toward the recording medium side through thermal expansion, and a pair of electrode leads including overlapping regions, which are in contact with rear ends of the heating element and which overlap with the upper shield layer, and heat dissipation regions. Furthermore, connection wiring portions of the pair of electrode leads are disposed in a region sandwiched between the upper shield layer and a magnetic layer.
摘要翻译：提供一种薄膜磁头，其中可以减少元件部分的周边中的突出量，或者可以防止加热元件的电极引线的局部温度升高。薄膜磁头包括设置在下屏蔽层和上屏蔽层之间的重放元件，层叠在上屏蔽层上的记录元件，设置在线圈层下方并产生热量以允许播放元件朝向记录介质侧通过热膨胀，并且一对电极引线包括与加热元件的后端接触并且与上屏蔽层重叠的重叠区域和散热区域。此外，一对电极引线的连接布线部分设置在夹在上屏蔽层和磁性层之间的区域中。

4. 发明授权

US07903373B2 Thin film magnetic head having heating element 有权
标题翻译：具有加热元件的薄膜磁头
公开(公告)号：US07903373B2
公开(公告)日：2011-03-08
申请号：US11802019
申请日：2007-05-18
申请人： Kiyoshi Kobayashi , Sumihito Morita , Tomoo Otsuka
发明人： Kiyoshi Kobayashi , Sumihito Morita , Tomoo Otsuka
IPC分类号： G11B5/31 , G11B5/40
CPC分类号： G11B5/314 , G11B5/1278 , G11B5/3136 , G11B5/3967 , G11B5/6064
摘要： A thin film magnetic head is provided, in which the amount of protrusion in the periphery of an element portion can be reduced or a local temperature increase of electrode leads of a heating element can be prevented. The thin film magnetic head includes a playback element disposed between lower and upper shield layers, a recording element laminated on the upper shield layer, a heating element which is disposed below a coil layer and which generates heat to allow the playback element to protrude toward the recording medium side through thermal expansion, and a pair of electrode leads including overlapping regions, which are in contact with rear ends of the heating element and which overlap with the upper shield layer, and heat dissipation regions. Furthermore, connection wiring portions of the pair of electrode leads are disposed in a region sandwiched between the upper shield layer and a magnetic layer.
摘要翻译：提供一种薄膜磁头，其中可以减少元件部分的周边中的突出量，或者可以防止加热元件的电极引线的局部温度升高。薄膜磁头包括设置在下屏蔽层和上屏蔽层之间的重放元件，层叠在上屏蔽层上的记录元件，设置在线圈层下方并产生热量以允许播放元件朝向记录介质侧通过热膨胀，并且一对电极引线包括与加热元件的后端接触并且与上屏蔽层重叠的重叠区域和散热区域。此外，一对电极引线的连接布线部分设置在夹在上屏蔽层和磁性层之间的区域中。

5. 发明申请

US20080225436A1 PERPENDICULAR MAGNETIC RECORDING HEAD AND MANUFACTURING METHOD THEREOF 有权
标题翻译：全能磁记录头及其制造方法
公开(公告)号：US20080225436A1
公开(公告)日：2008-09-18
申请号：US12038343
申请日：2008-02-27
申请人： KIYOSHI KOBAYASHI , Tomoo Otsuka
发明人： KIYOSHI KOBAYASHI , Tomoo Otsuka
IPC分类号： G11B5/33
CPC分类号： G11B5/3116 , G11B5/1278 , G11B5/3163
摘要： A perpendicular magnetic recording head includes a main magnetic pole layer exposed to an opposing surface opposite a recording medium, applying a perpendicular recording magnetic field to the recording medium; a return yoke layer disposed in the opposing surface opposite the recording medium above or below the main magnetic pole layer, the return yoke layer receiving the recording magnetic field returning thereto after passing through the recording medium; and a planarized nonmagnetic layer filling the surroundings of the return yoke layer to planarized the return yoke layer. Inclined or curved surfaces are formed at both sides in a track width direction of the return yoke layer, the inclined or curved surfaces gradually broadening the dimension of the return yoke layer in the track width direction as the inclined or curved surfaces extend from front end surfaces thereof exposed to the opposing surface opposite the recording medium in the height direction. A cohesive layer is disposed between the return yoke layer and the planarized nonmagnetic layer to increase the cohesive properties between the return yoke layer and the planarized nonmagnetic layer compared with the case in which the return yoke layer is directly connected to the planarized nonmagnetic layer.
摘要翻译：垂直磁记录头包括暴露于与记录介质相对的相对表面的主磁极层，向记录介质施加垂直记录磁场; 返回磁轭层，设置在与主磁极层上方或下方的与记录介质相对的相对表面中，返回磁轭层在通过记录介质之后接收返回到其的记录磁场; 以及填充返回磁轭层的周围的平坦化非磁性层以使返回磁轭层平坦化。倾斜或弯曲表面形成在返回轭层的轨道宽度方向上的两侧，倾斜或弯曲表面随着倾斜或弯曲表面从前端表面延伸而逐渐变宽了轨道宽度方向上的返回轭层的尺寸其在高度方向上暴露于与记录介质相对的相对表面。与返回磁轭层直接连接到平坦化非磁性层的情况相比，在返回磁轭层和平坦化非磁性层之间设置内聚层以增加返回磁轭层和平坦化非磁性层之间的内聚性。

6. 发明授权

US08045291B2 Perpendicular magnetic recording head and manufacturing method thereof 有权
标题翻译：垂直磁记录头及其制造方法
公开(公告)号：US08045291B2
公开(公告)日：2011-10-25
申请号：US12038343
申请日：2008-02-27
申请人： Kiyoshi Kobayashi , Tomoo Otsuka
发明人： Kiyoshi Kobayashi , Tomoo Otsuka
IPC分类号： G11B5/31
CPC分类号： G11B5/3116 , G11B5/1278 , G11B5/3163
摘要： A perpendicular magnetic recording head includes a main magnetic pole layer exposed to an opposing surface opposite a recording medium, applying a perpendicular recording magnetic field to the recording medium; a return yoke layer disposed in the opposing surface opposite the recording medium above or below the main magnetic pole layer, the return yoke layer receiving the recording magnetic field returning thereto after passing through the recording medium; and a planarized nonmagnetic layer filling the surroundings of the return yoke layer to planarized the return yoke layer. Inclined or curved surfaces are formed at both sides in a track width direction of the return yoke layer, the inclined or curved surfaces gradually broadening the dimension of the return yoke layer in the track width direction as the inclined or curved surfaces extend from front end surfaces thereof exposed to the opposing surface opposite the recording medium in the height direction. A cohesive layer is disposed between the return yoke layer and the planarized nonmagnetic layer to increase the cohesive properties between the return yoke layer and the planarized nonmagnetic layer compared with the case in which the return yoke layer is directly connected to the planarized nonmagnetic layer.
摘要翻译：垂直磁记录头包括暴露于与记录介质相对的相对表面的主磁极层，向记录介质施加垂直记录磁场; 返回磁轭层，设置在与主磁极层上方或下方的与记录介质相对的相对表面中，返回磁轭层在通过记录介质之后接收返回到其的记录磁场; 以及填充返回磁轭层的周围的平坦化非磁性层以使返回磁轭层平坦化。倾斜或弯曲表面形成在返回轭层的轨道宽度方向上的两侧，倾斜或弯曲表面随着倾斜或弯曲表面从前端表面延伸而逐渐变宽了轨道宽度方向上的返回轭层的尺寸其在高度方向上暴露于与记录介质相对的相对表面。与返回磁轭层直接连接到平坦化非磁性层的情况相比，在返回磁轭层和平坦化非磁性层之间设置内聚层以增加返回磁轭层和平坦化非磁性层之间的内聚性。

7. 发明授权

US08072710B2 Thin-film magnetic head that locally projects an element part toward a recording medium by thermal expansion 有权
标题翻译：通过热膨胀将元件部分局部投射到记录介质的薄膜磁头
公开(公告)号：US08072710B2
公开(公告)日：2011-12-06
申请号：US12105057
申请日：2008-04-17
申请人： Mitsuo Kawasaki , Kiyoshi Kobayashi , Tomoo Otsuka , Hironori Namba , Yusuke Kanekuni
发明人： Mitsuo Kawasaki , Kiyoshi Kobayashi , Tomoo Otsuka , Hironori Namba , Yusuke Kanekuni
IPC分类号： G11B5/33
CPC分类号： G11B5/3133 , G11B5/3116 , G11B5/6064
摘要： A thin-film magnetic head comprises a reproducing element formed on an undercoat film on a head substrate surface, a recording element formed on the upper side of the reproducing element, and a heater formed on the upper or lower side of the reproducing element, the heater generating heat upon energization so as to project at least the reproducing element by thermal expansion toward a recording medium. A shield layer is formed between the reproducing element and the heater by a plurality of layers including at least first and second shield layers. In the first and second shield layers, the second upper shield layer located closer to the heater is formed by a material having a coefficient of thermal expansion smaller than that of the first shield layer located closer to the reproducing element.
摘要翻译：薄膜磁头包括形成在头基板表面上的底涂膜上的再现元件，形成在再现元件的上侧的记录元件和形成在再现元件的上侧或下侧的加热器，加热器在通电时产生热量，以便通过热膨胀将至少再现元件投射到记录介质。通过包括至少第一和第二屏蔽层的多个层，在再现元件和加热器之间形成屏蔽层。在第一和第二屏蔽层中，位于更靠近加热器的第二上屏蔽层由热膨胀系数小于靠近再生元件的第一屏蔽层的材料形成。

8. 发明申请

US20080068762A1 THIN FILM MAGNETIC HEAD INCLUDING THERMAL DEFORMATION-PREVENTING LAYER 有权
标题翻译：薄膜磁头包括热变形预防层
公开(公告)号：US20080068762A1
公开(公告)日：2008-03-20
申请号：US11851692
申请日：2007-09-07
申请人： Kiyoshi Kobayashi , Sumihito Morita , Tomoo Otsuka , Hironori Namba
发明人： Kiyoshi Kobayashi , Sumihito Morita , Tomoo Otsuka , Hironori Namba
IPC分类号： G11B5/33
CPC分类号： G11B5/3133 , G11B5/3103 , G11B5/3136
摘要： A thin film magnetic head includes a recording and playback element, a lead conductor layer for feeding a power to the recording and playback element, an electrically conductive bump for conductively connecting the lead conductor layer to an electrode pad for external connection, and an insulating protective layer filling between the recording and playback element and the electrically conductive bump. A thermal deformation-preventing layer composed of a material having a thermal expansion coefficient smaller than that of the insulating protective layer is disposed in the insulating protective layer in such a way as to locate between a medium-facing surface and the electrically conductive bump without being exposed at the medium-facing surface. In the resulting thin film magnetic head, protrusion of the recording and playback element toward the recording medium side can be prevented without changing the configuration of the recording and playback element nor the forming material.
摘要翻译：薄膜磁头包括记录和重放元件，用于向记录和回放元件供电的引线导体层，用于将引线导体层导电连接到用于外部连接的电极焊盘的导电凸块，以及绝缘保护记录和再现元件与导电凸块之间的层填充。由热膨胀系数小于绝缘保护层的材料构成的热变形防止层设置在绝缘保护层中，以便定位在介质表面和导电凸块之间，而不会暴露在面向中间的表面。在所得到的薄膜磁头中，可以防止记录和再现元件向记录介质侧的突出，而不改变记录和再现元件的构造以及形成材料。

9. 发明申请

US20070274004A1 Thin film magnetic head having heating element 有权
标题翻译：具有加热元件的薄膜磁头
公开(公告)号：US20070274004A1
公开(公告)日：2007-11-29
申请号：US11802019
申请日：2007-05-18
申请人： Kiyoshi Kobayashi , Sumihito Morita , Tomoo Otsuka
发明人： Kiyoshi Kobayashi , Sumihito Morita , Tomoo Otsuka
IPC分类号： G11B5/147 , G11B5/33
CPC分类号： G11B5/314 , G11B5/1278 , G11B5/3136 , G11B5/3967 , G11B5/6064
摘要： A thin film magnetic head is provided, in which the amount of protrusion in the periphery of an element portion can be reduced or a local temperature increase of electrode leads of a heating element can be prevented. The thin film magnetic head includes a playback element disposed between lower and upper shield layers, a recording element laminated on the upper shield layer, a heating element which is disposed below a coil layer and which generates heat to allow the playback element to protrude toward the recording medium side through thermal expansion, and a pair of electrode leads including overlapping regions, which are in contact with rear ends of the heating element and which overlap with the upper shield layer, and heat dissipation regions. Furthermore, connection wiring portions of the pair of electrode leads are disposed in a region sandwiched between the upper shield layer and a magnetic layer.
摘要翻译：提供一种薄膜磁头，其中可以减少元件部分的周边中的突出量，或者可以防止加热元件的电极引线的局部温度升高。薄膜磁头包括设置在下屏蔽层和上屏蔽层之间的重放元件，层叠在上屏蔽层上的记录元件，设置在线圈层下方并产生热量以允许播放元件朝向记录介质侧通过热膨胀，并且一对电极引线包括与加热元件的后端接触并且与上屏蔽层重叠的重叠区域和散热区域。此外，一对电极引线的连接布线部分设置在夹在上屏蔽层和磁性层之间的区域中。

10. 发明授权

US06639756B2 Magnetic head having raised element and magnetic head apparatus using the same 有权
公开(公告)号：US06639756B2
公开(公告)日：2003-10-28
申请号：US09989484
申请日：2001-11-20
申请人： Junsei Ueda , Tomoo Otsuka , Hirohisa Ishihara
发明人： Junsei Ueda , Tomoo Otsuka , Hirohisa Ishihara
IPC分类号： G11B560
CPC分类号： G11B5/6005 , G11B21/21
摘要： A trailing ABS face, which is a surface generating positive pressure, is formed to rise from a surface facing a recording medium, which is a surface generating negative pressure, toward the recording medium and furthermore, a surface facing the element, in which a gap portion of a magnetic element is located, is formed to rise from the trailing ABS face. Thereby, the floating lift of a magnetic head can be reduced while the floating position can be stabilized and furthermore, collision of the magnetic head with a disk surface can be properly avoided.

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