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1. 发明申请

US20090027812A1 MAGNETIC SIGNAL REPRODUCTION SYSTEM AND MAGNETIC SIGNAL REPRODUCTION METHOD 审中-公开
标题翻译：磁信号再现系统和磁信号再现方法
公开(公告)号：US20090027812A1
公开(公告)日：2009-01-29
申请号：US12180580
申请日：2008-07-28
申请人： Hitoshi Noguchi , Yasushi Endo , Osamu Shimizu , Makoto Yoshida , Kazuhiko Maejima , Mitsuyoshi Kawai
发明人： Hitoshi Noguchi , Yasushi Endo , Osamu Shimizu , Makoto Yoshida , Kazuhiko Maejima , Mitsuyoshi Kawai
IPC分类号： G11B5/33
CPC分类号： G11B5/70 , G11B5/00826 , G11B5/29 , G11B5/3106 , G11B5/3906 , G11B5/70678 , G11B5/7085 , G11B5/71 , G11B5/714
摘要： The magnetic signal reproduction system comprises a magnetic recording medium comprising a magnetic layer comprising a ferromagnetic powder and a binder on a nonmagnetic support and a reproduction head, wherein a number of protrusions equal to or greater than 10 nm in height on the magnetic layer surface, as measured by an atomic force microscope, ranges from 50 to 2500/10,000 μm2, a quantity of lubricant on the magnetic layer surface, denoted as a surface lubricant index, ranges from 0.5 to 5.0, a surface abrasive occupancy of the magnetic layer ranges from 2 to 20 percent, the reproduction head is a magnetoresistive magnetic head comprising a spin-valve layer, the spin-valve layer comprises a magnetization free layer, a magnetization pinned layer and an antiferromagnetic layer, and the antiferromagnetic layer is comprised of alloy comprising iridium and manganese, and the reproduction head comes in sliding contact with the magnetic recording medium during signal reproduction.
摘要翻译：磁信号再现系统包括磁记录介质，磁记录介质包括在非磁性载体上的铁磁性粉末和粘合剂的磁性层和再现磁头，其中在磁性层表面上高度等于或大于10nm的突起数目，通过原子力显微镜测量的范围为50至2500 / 10,000mum2，表面润滑指数表示为磁性层表面的润滑剂的数量为0.5至5.0，磁性层的表面磨料占据率为 2〜20％，再现头是包括自旋阀层的磁阻磁头，自旋阀层包括磁化自由层，磁化钉扎层和反铁磁层，反铁磁层由包含铱的合金和锰，并且再现头在信号再现期间与磁记录介质滑动接触。

2. 发明授权

US07724474B2 Thin-film magnetic head comprising contact pad including portions of closure and substrate and magnetic recording apparatus comprising the head 有权
标题翻译：薄膜磁头包括包括封闭件和基板的部分的接触焊盘以及包括磁头的磁记录装置
公开(公告)号：US07724474B2
公开(公告)日：2010-05-25
申请号：US11497376
申请日：2006-08-02
申请人： Kazuhiko Maejima , Mitsuyoshi Kawai , Hiroki Matsukuma , Katsumichi Tagami , Makoto Yoshida , Hiroshi Kamiyama
发明人： Kazuhiko Maejima , Mitsuyoshi Kawai , Hiroki Matsukuma , Katsumichi Tagami , Makoto Yoshida , Hiroshi Kamiyama
IPC分类号： G11B5/60
CPC分类号： G11B5/3909 , B82Y10/00 , B82Y25/00 , G11B5/3106 , G11B5/3967
摘要： A thin-film magnetic head that shows stable read and/or write performances, maintaining the reliability over time by suppressing the wear of the head sufficiently, is provided. The head comprises: a substrate having an element-formed surface and an opposed-to-medium surface; a magnetic head element; an overcoat layer formed on the element-formed surface so as to cover the magnetic head element; a closure provided on the overcoat layer, a surface of the closure being in contact with the upper surface of the overcoat layer; and an element contact pad formed in a sliding-side surface of the head and having a contact surface including a part of the opposed-to-medium surface, a part of an end surface of the overcoat layer and a part of an end surface of the closure, one end of the magnetic head element reaching the contact surface.
摘要翻译：提供了表现出稳定的读取和/或写入性能的薄膜磁头，通过足够地抑制头部的磨损来保持随时间的可靠性。头部包括：具有元件形成表面和相对中间表面的基底; 磁头元件; 形成在所述元件形成表面上以覆盖所述磁头元件的外涂层; 设置在外涂层上的封盖，封盖的表面与外涂层的上表面接触; 以及形成在所述头部的滑动侧表面中的元件接触垫，并且具有包括相对中间表面的一部分的接触表面，所述外涂层的端面的一部分和端面的一部分闭合件，磁头元件的一端到达接触表面。

3. 发明申请

US20070035877A1 Thin-film magnetic head with closure and magnetic recording apparatus 有权
标题翻译：薄膜磁头封闭和磁记录装置
公开(公告)号：US20070035877A1
公开(公告)日：2007-02-15
申请号：US11497376
申请日：2006-08-02
申请人： Kazuhiko Maejima , Mitsuyoshi Kawai , Hiroki Matsukuma , Katsumichi Tagami , Makoto Yoshida , Hiroshi Kamiyama
发明人： Kazuhiko Maejima , Mitsuyoshi Kawai , Hiroki Matsukuma , Katsumichi Tagami , Makoto Yoshida , Hiroshi Kamiyama
IPC分类号： G11B5/187
CPC分类号： G11B5/3909 , B82Y10/00 , B82Y25/00 , G11B5/3106 , G11B5/3967
摘要： A thin-film magnetic head that shows stable read and/or write performances, maintaining the reliability over time by suppressing the wear of the head sufficiently, is provided. The head comprises: a substrate having an element-formed surface and an opposed-to-medium surface; a magnetic head element; an overcoat layer formed on the element-formed surface so as to cover the magnetic head element; a closure provided on the overcoat layer, a surface of the closure being in contact with the upper surface of the overcoat layer; and an element contact pad formed in a sliding-side surface of the head and having a contact surface including a part of the opposed-to-medium surface, a part of an end surface of the overcoat layer and a part of an end surface of the closure, one end of the magnetic head element reaching the contact surface.
摘要翻译：提供了表现出稳定的读取和/或写入性能的薄膜磁头，通过足够地抑制头部的磨损来保持随时间的可靠性。头部包括：具有元件形成表面和相对中间表面的基底; 磁头元件; 形成在所述元件形成表面上以覆盖所述磁头元件的外涂层; 设置在外涂层上的封盖，封盖的表面与外涂层的上表面接触; 以及形成在所述头部的滑动侧表面中的元件接触垫，并且具有包括相对中间表面的一部分的接触表面，所述外涂层的端面的一部分和端面的一部分闭合件，磁头元件的一端到达接触表面。

4. 发明授权

US07764466B2 Thin-film magnetic head with closure and manufacturing method of the head 失效
标题翻译：薄膜磁头封头及头部制造方法
公开(公告)号：US07764466B2
公开(公告)日：2010-07-27
申请号：US11553706
申请日：2006-10-27
申请人： Mitsuyoshi Kawai , Tomonaga Nishikawa , Tsutomu Chikamatsu , Makoto Yoshida
发明人： Mitsuyoshi Kawai , Tomonaga Nishikawa , Tsutomu Chikamatsu , Makoto Yoshida
IPC分类号： G11B5/31
CPC分类号： G11B5/3106 , G11B5/012 , G11B5/3133 , G11B5/3163
摘要： A thin-film magnetic head where the closure is bonded with sufficiently high adhesive strength by the adhesive layer thinner than conventional and that is free from the problem of fine dusts, is provided. The head comprises: a substrate having an element-formed surface and an opposed-to-medium surface; at least one magnetic head element provided on/above the element-formed surface; an overcoat layer formed on the element-formed surface; an etching pattern formed on a part of an upper surface of the overcoat layer, the whole or a part of the etching pattern being filled up by adhesive; a closure provided on the etching pattern of the overcoat layer; and an opening portion formed close to an edge on the opposite side to the opposed-to-medium surface of an adhesive surface of the closure, being a portion exposed from the closure of the etching pattern.
摘要翻译：提供了一种薄膜磁头，其中封闭物通过比常规更薄的粘合剂层以足够高的粘合强度粘结，并且没有细粉尘的问题。头部包括：具有元件形成表面和相对中间表面的基底; 设置在所述元件形成表面上/上的至少一个磁头元件; 形成在所述元件形成表面上的外涂层; 形成在外涂层的上表面的一部分上的蚀刻图案，蚀刻图案的全部或一部分被粘合剂填充; 设置在外涂层的蚀刻图案上的封闭件; 以及开口部分，其形成在与封闭件的粘合剂表面的相对中间表面的相对侧上的边缘附近，该部分是从蚀刻图案的封闭体露出的部分。

5. 发明授权

US06724574B2 Head gimbal assembly having an encased drive IC chip 失效
标题翻译：头万向节组件具有封装的驱动IC芯片
公开(公告)号：US06724574B2
公开(公告)日：2004-04-20
申请号：US09781227
申请日：2001-02-13
申请人： Takeshi Wada , Mitsuyoshi Kawai , Takao Matsumoto , Atsushi Hirose , Masashi Shiraishi
发明人： Takeshi Wada , Mitsuyoshi Kawai , Takao Matsumoto , Atsushi Hirose , Masashi Shiraishi
IPC分类号： G11B548
CPC分类号： G11B5/486 , G11B5/484
摘要： A HGA includes a magnetic head slider having at least one thin-film magnetic head element, an IC chip having a circuit for the at least one thin-film magnetic head element, and a suspension for supporting the magnetic head slider and the IC chip. All surfaces of the IC chip are coated by additional insulation layers.
摘要翻译： HGA包括具有至少一个薄膜磁头元件的磁头滑动器，具有用于至少一个薄膜磁头元件的电路的IC芯片和用于支撑磁头滑块和IC芯片的悬架。 IC芯片的所有表面均涂有额外的绝缘层。

6. 发明授权

US06339519B1 Magnetic head device 失效
标题翻译：磁头装置
公开(公告)号：US06339519B1
公开(公告)日：2002-01-15
申请号：US09437680
申请日：1999-11-10
申请人： Izumi Nomura , Haruyuki Morita , Masashi Shiraishi , Mitsuyoshi Kawai , Takeshi Wada
发明人： Izumi Nomura , Haruyuki Morita , Masashi Shiraishi , Mitsuyoshi Kawai , Takeshi Wada
IPC分类号： G11B560
CPC分类号： G11B5/4853 , G11B5/486
摘要： There is disclosed a magnetic head device in which a head IC chip may be located relatively closer to a magnetic head and a thermal effect may be controlled to be within a range of acceptable degree. Said magnetic head device comprises a head slider having a magnetic head, a suspension member which is made of thin resilient material and supports the head slider at one end thereof, and a head IC chip, wherein the suspension member is attached to other member at the other end thereof. The IC chip is mounted on the suspension member. When the IC chip is selected to have appropriate disc side area and is mounted on the suspension member, the temperature of the IC chip itself may be maintained within a range of acceptable degree and that of the magnetic head may be also kept to be lower. When the electric power consumption of the IC chip is equal to or less than 410 mW, the disc side area thereof should be equal to or more than 1.1 mm2. The IC chip is mounted on a surface of the suspension member at a side facing to the disc at a position where a relative linear velocity equal to or more than 25 m/sec is generated with respect to said disc.
摘要翻译：公开了一种磁头装置，其中头部IC芯片可以相对靠近磁头定位，并且可以将热效应控制在可接受的程度的范围内。所述磁头装置包括具有磁头的磁头滑动器，由薄弹性材料制成的悬架构件，并在其一端支撑磁头滑块，以及磁头IC芯片，其中所述悬挂构件在所述磁头滑块的另一端。 IC芯片安装在悬挂构件上。当IC芯片被选择为具有适当的盘侧面积并安装在悬挂构件上时，IC芯片本身的温度可以保持在可接受的程度的范围内，并且磁头的温度也可以保持较低。当IC芯片的电力消耗等于或小于410mW时，其盘侧面积应等于或大于1.1mm 2。 IC芯片在相对于所述盘产生相对线速度等于或大于25m / sec的位置处，在面对盘的一侧安装在悬挂构件的表面上。

7. 发明授权

US06549373B1 Head suspension assembly with IC chip 失效
标题翻译：头悬挂装配IC芯片
公开(公告)号：US06549373B1
公开(公告)日：2003-04-15
申请号：US09576226
申请日：2000-05-22
申请人： Masashi Shiraishi , Takeshi Wada , Mitsuyoshi Kawai
发明人： Masashi Shiraishi , Takeshi Wada , Mitsuyoshi Kawai
IPC分类号： G11B548
CPC分类号： G11B5/486
摘要： A head suspension assembly includes a magnetic head slider with at least one thin-film magnetic head element, a head IC chip with a circuit for the at least one thin-film magnetic head element, and a support member for supporting the magnetic head slider and the head IC chip. The support member has a recess portion for reducing a protruded height of the head IC chip at a position for mounting the head IC chip.
摘要翻译：头悬挂组件包括具有至少一个薄膜磁头元件的磁头滑动器，具有用于至少一个薄膜磁头元件的电路的头IC芯片和用于支撑磁头滑块的支撑构件，头IC芯片。支撑构件具有用于在安装头IC芯片的位置处减小头IC芯片的突出高度的凹部。

8. 发明授权

US06680810B2 Head suspension assembly with a precise positioning micro-cap actuator composed of a piezoelectric material 失效
标题翻译：头悬挂组件，具有由压电材料组成的精确定位微型盖致动器
公开(公告)号：US06680810B2
公开(公告)日：2004-01-20
申请号：US09733088
申请日：2000-12-11
申请人： Masashi Shiraishi , Takeshi Wada , Takashi Honda , Haruyuki Morita , Mitsuyoshi Kawai , Norikazu Ota
发明人： Masashi Shiraishi , Takeshi Wada , Takashi Honda , Haruyuki Morita , Mitsuyoshi Kawai , Norikazu Ota
IPC分类号： G11B2102
CPC分类号： G11B5/012 , G11B5/3106 , G11B5/4853 , G11B5/486 , G11B5/5552 , G11B21/025 , G11B33/121
摘要： A HSA includes a magnetic head slider with at least one thin-film magnetic head element, an actuator fixed to the magnetic head slider for performing precise positioning of the at least one thin-film magnetic head element, an IC chip having a first circuit for the thin-film magnetic head element and a second circuit for driving the actuator, and a suspension for supporting the actuator and the IC chip.
摘要翻译： HSA包括具有至少一个薄膜磁头元件的磁头滑动器，固定到磁头滑动器的致动器，用于执行至少一个薄膜磁头元件的精确定位; IC芯片，具有第一电路薄膜磁头元件和用于驱动致动器的第二电路，以及用于支撑致动器和IC芯片的悬架。

9. 发明授权

US06665148B2 Magnetic head apparatus with IC chip mounted on suspension for increased heat diffusion and magnetic disk apparatus having magnetic head apparatus 失效
标题翻译：具有安装在用于增加热扩散的悬置上的IC芯片的磁头装置和具有磁头装置的磁盘装置
公开(公告)号：US06665148B2
公开(公告)日：2003-12-16
申请号：US09924965
申请日：2001-08-09
申请人： Masashi Shiraishi , Takeshi Wada , Mitsuyoshi Kawai , Takashi Honda , Norikazu Ota , Takao Matsumoto , Atsushi Hirose
发明人： Masashi Shiraishi , Takeshi Wada , Mitsuyoshi Kawai , Takashi Honda , Norikazu Ota , Takao Matsumoto , Atsushi Hirose
IPC分类号： G11B555
CPC分类号： G11B5/4853 , G11B5/4826 , H01L2224/16225 , H01L2224/73204
摘要： A magnetic head apparatus including a magnetic head slider having at least one thin film magnetic head element, a suspension mounting the magnetic head slider on one face thereof, an IC chip mounted with a circuit for the thin film magnetic head element and a support arm fixedly supporting the suspension in which the IC chip is mounted on the one face of the suspension and is thermally coupled to the support arm.
摘要翻译：一种磁头装置，包括具有至少一个薄膜磁头元件的磁头滑动器，在其一个表面上安装磁头滑块的悬架，安装有用于薄膜磁头元件的电路的IC芯片和固定地支撑悬架，其中IC芯片安装在悬架的一个面上，并且热耦合到支撑臂。

10. 发明授权

US06564988B1 Manufacturing method of head suspension assembly with IC chip 失效
标题翻译：具有IC芯片的头悬挂组件的制造方法
公开(公告)号：US06564988B1
公开(公告)日：2003-05-20
申请号：US09565554
申请日：2000-05-05
申请人： Masashi Shiraishi , Takeshi Wada , Mitsuyoshi Kawai
发明人： Masashi Shiraishi , Takeshi Wada , Mitsuyoshi Kawai
IPC分类号： B23K106
CPC分类号： H01L24/32 , B23K1/0016 , B23K1/06 , B23K20/10 , B23K2101/40 , G11B5/3103 , G11B5/4853 , G11B5/486 , H01L21/563 , H01L24/29 , H01L24/75 , H01L24/81 , H01L24/83 , H01L2224/13144 , H01L2224/13147 , H01L2224/16225 , H01L2224/27013 , H01L2224/32225 , H01L2224/73203 , H01L2224/73204 , H01L2224/75 , H01L2224/75301 , H01L2224/81801 , H01L2224/83051 , H01L2224/83192 , H01L2924/01004 , H01L2924/01005 , H01L2924/01006 , H01L2924/01013 , H01L2924/01015 , H01L2924/01029 , H01L2924/01033 , H01L2924/01075 , H01L2924/01079 , H01L2924/01082 , H01L2924/01322 , H01L2924/014 , H01L2924/14 , H01L2924/351 , H01L2924/00014 , H01L2924/00 , H01L2924/00012
摘要： A method of manufacturing a head suspension assembly includes attaching underfill to a portion on which an IC chip with a circuit for a thin-film magnetic head element is to be mounted, disposing the IC chip on the attached underfill, and performing ultrasonic bonding of the IC chip.
摘要翻译：一种制造头悬挂组件的方法包括：将底部填充物附接到其上安装有用于安装薄膜磁头元件的电路的IC芯片的部分，将IC芯片设置在附着的底部填充物上，并且执行超声波粘合 IC芯片。

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