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    • 61. 发明授权
    • Thermally-assisted magnetic recording head capable of reducing the number of binding wires
    • 热辅助磁记录头,能够减少装订线的数量
    • US08374061B2
    • 2013-02-12
    • US12190381
    • 2008-08-12
    • Kosuke TanakaKoji ShimazawaYasuhiro Ito
    • Kosuke TanakaKoji ShimazawaYasuhiro Ito
    • G11B11/00
    • G11B5/314G11B5/02G11B5/6088G11B2005/0005G11B2005/0021
    • A slider has a slider substrate, an electromagnetic transducer, a waveguide for receiving light from a surface on the side opposite from a medium-opposing surface and guiding the light to the medium-opposing surface side, and a device electrode electrically connected to the electromagnetic transducer. A light source unit includes a light source supporting substrate, a light source, and a lead extending from the slider side to the side opposite from the slider and having both end parts exposed at a surface of the light source unit. The device electrode of the slider is exposed at the surface of the slider on the side opposite from the medium-opposing surface without being covered with the light source unit. An end part on the slider side of the lead of the light source unit is soldered to the device electrode of the slider.
    • 滑块具有滑块基板,电磁换能器,用于从与介质相对表面相对的一侧上的表面接收光并将光引导到介质相对表面侧的波导,以及电连接到电磁 传感器。 光源单元包括光源支撑基板,光源和从滑块侧延伸到与滑块相对的一侧的引线,并且两端部露出在光源单元的表面。 滑块的器件电极在与中间相对表面相对的一侧的滑块的表面处被暴露,而不被光源单元覆盖。 将光源单元的引线的滑块侧的端部焊接到滑块的器件电极。
    • 63. 发明授权
    • Thermally-assisted magnetic recording head comprising waveguide with inverted-trapezoidal shape
    • 热辅助磁记录头包括具有倒梯形形状的波导
    • US08270261B2
    • 2012-09-18
    • US12683041
    • 2010-01-06
    • Eiji KomuraTsutomu ChouKoji ShimazawaKosuke Tanaka
    • Eiji KomuraTsutomu ChouKoji ShimazawaKosuke Tanaka
    • G11B11/00
    • G11B5/3116G11B5/314G11B5/6088G11B2005/0005G11B2005/0021
    • Provided is a thermally-assisted magnetic recording head comprising a near-field-light-generating (NFL-generating) optical system with an improved light use efficiency. The head comprises a magnetic pole, a waveguide propagating a light for exciting surface plasmon, and a NF-optical device configured to emit NF-light from its end surface located adjacent to the magnetic pole end surface. The waveguide cross-section, taken by a plane perpendicular to a waveguide edge along elongated direction, has substantially a trapezoidal shape in which a longer side of opposed parallel sides is an edge of the cross-section on the NF-optical device side. This configuration enables a coupled portion of the NF-optical device which is coupled with the light to be placed in the effective distribution range of the light seeping from the waveguide. Consequently, there can be realized a sufficiently strong coupling between the light seeping from the waveguide and the NF-optical device.
    • 提供了一种热辅助磁记录头,其包括具有改善的光利用效率的近场光产生(NFL生成)光学系统。 头包括磁极,传播用于激发表面等离子体激元的光的波导和被配置为从其邻近磁极端表面的端表面发射NF光的NF光学装置。 波导横截面由沿着细长方向垂直于波导边缘的平面截取,具有基本上梯形的形状,其中相对的平行边的较长边是NF光学器件侧的横截面的边缘。 该配置使得能够将与光耦合的NF光学器件的耦合部分放置在从波导管渗出的光的有效分布范围内。 因此,可以实现从波导管和NF光学器件渗出的光之间的足够强的耦合。
    • 64. 发明授权
    • Thermally-assisted magnetic recording head
    • 热辅助磁记录头
    • US08254215B1
    • 2012-08-28
    • US13282943
    • 2011-10-27
    • Kosuke TanakaSusumu AokiKei HirataMakoto Isogai
    • Kosuke TanakaSusumu AokiKei HirataMakoto Isogai
    • G11B11/00
    • G11B5/3116G11B5/314G11B5/3163G11B5/6088G11B2005/0021
    • A thermally-assisted magnetic recording head includes a main pole, a waveguide, and a plasmon generator. The main pole has a front end face including first and second ends that are opposite in a track width direction. An arbitrary cross section of the main pole that passes through an arbitrary point on the front end face and is perpendicular to a medium facing surface and to the track width direction has a length in a direction perpendicular to the medium facing surface. When the arbitrary point on the front end face is located at a center of the front end face in the track width direction, the length of the arbitrary cross section is smaller than that when the arbitrary point is located at the first end and that when the arbitrary point is located at the second end.
    • 热辅助磁记录头包括主极,波导和等离子体发生器。 主极具有包括在轨道宽度方向上相对的第一端和第二端的前端面。 主极的任意横截面,其通过前端面上的任意点并且垂直于介质相对表面和轨道宽度方向,具有与面向介质的表面垂直的方向的长度。 当前端面上的任意点位于轨道宽度方向上的前端面的中心时,任意横截面的长度小于任意点位于第一端的长度,而当 任意点位于第二端。
    • 66. 发明申请
    • HEAD GIMBAL ASSEMBLY WITH TWO WIRING LAYERS COMPRISING THERMALLY-ASSISTED HEAD
    • 头部组合装有包括热辅助头的两个接线层
    • US20120044790A1
    • 2012-02-23
    • US12860349
    • 2010-08-20
    • Koji SHIMAZAWAKosuke TanakaTakashi Honda
    • Koji SHIMAZAWAKosuke TanakaTakashi Honda
    • G11B11/00
    • G11B5/4853G11B5/105G11B5/314G11B5/486G11B5/6088G11B2005/0021
    • Provided is a head gimbal assembly (HGA) in which the electrodes for a thermally-assisted magnetic recording head comprising a light source, a photodetector and a magnetic head element, can be reliably electrically connected to wiring members by solder ball bonding (SBB). The HGA comprises a suspension comprising: a base; a first wiring member for the light source and the photodetector, provided on a side of one surface of the base; and a second wiring member for the magnetic head element, provided on the same surface side. The first and second wiring members protrude from the base toward the head to be fixed. As a result, the end portions (connection pads) of the first and second wiring members can be located close to electrodes for light-source and photodetector and electrodes for magnetic head element, respectively. This arrangement enables the end portions of the first and second wiring members to be reliably electrically connected to the electrodes by SBB.
    • 提供了一种头万向架组件(HGA),其中包括光源,光电检测器和磁头元件的热辅助磁记录头的电极可以通过焊球接合(SBB)可靠地电连接到布线构件。 HGA包括悬浮液,其包含:碱; 用于所述光源和所述光电检测器的第一配线构件,设置在所述基座的一个表面的一侧; 以及设置在同一表面侧的用于磁头元件的第二配线构件。 第一和第二布线构件从基部朝向头部突出以被固定。 结果,第一和第二布线构件的端部(连接焊盘)可以分别位于光源和光电检测器的电极和磁头元件的电极附近。 通过这种布置,可以通过SBB将第一和第二布线构件的端部可靠地电连接到电极。
    • 69. 发明申请
    • Method of determining flying height of magnetic head
    • 确定磁头飞行高度的方法
    • US20110211275A1
    • 2011-09-01
    • US12659129
    • 2010-02-26
    • Yosuke AntokuNoboru YamanakaMasashi SanoKosuke TanakaMan TseEric Cheuk Wing LeungLuke Hung Leung Chung
    • Yosuke AntokuNoboru YamanakaMasashi SanoKosuke TanakaMan TseEric Cheuk Wing LeungLuke Hung Leung Chung
    • G11B21/02
    • G11B5/6005G11B5/6064
    • For obtaining a flying height of a magnetic head from a magnetic disk, the magnetic head being placed in a slider arranged at an interval with the magnetic disk, an initial setting process and a flying height detecting process are performed. In the initial setting process, driving power to a heater is increased gradually, from a state where the heater arranged at a position in proximity to the magnetic head in the slider is not driven, until the magnetic head makes contact with the magnetic disk. Then, in each stage, an electrical resistance value of the sensor arranged at a position in proximity to the magnetic head in the slider, which is increased due to the heat from heater, and either an approach distance of the magnetic head toward the magnetic disk or the flying height of the magnetic head from the magnetic disk are acquired. Then, basic data is prepared by obtaining the relationship between a variation of the electrical resistance value of the sensor and the flying height of the magnetic head from the magnetic disk, which is obtained in each stage or which calculated from the approach distance in each stage. In the flying height detecting process, an electrical resistance value of the sensor is determined, and a variation of the electrical resistance value is calculated from the determined values. Then, the flying height of the magnetic head from the magnetic disk in the state where the electrical resistance value was determined is obtained based on the basic data obtained in the initial setting process, using the calculated variation of the electrical resistance value.
    • 为了从磁盘获得磁头的飞行高度,磁头被放置在与磁盘间隔设置的滑块中,执行初始设定处理和飞行高度检测处理。 在初始设定处理中,从布置在滑动件附近的磁头的位置的加热器未被驱动的状态直到磁头与磁盘接触的状态逐渐增加到加热器的驱动电力。 然后,在各阶段,布置在靠近滑块的磁头的位置处的传感器的电阻值由于来自加热器的热而增加,并且磁头朝向磁盘的接近距离 或者从磁盘获取磁头的飞行高度。 然后,通过获得传感器的电阻值的变化与来自磁盘的磁头的飞行高度之间的关系来准备基本数据,该关系是在每个阶段中获得的,或者由每个阶段中的接近距离计算 。 在飞行高度检测处理中,确定传感器的电阻值,并根据确定的值计算电阻值的变化。 然后,使用计算出的电阻值的变化,基于在初始设定处理中获得的基本数据,求出在确定了电阻值的状态下磁头从磁盘的飞行高度。
    • 70. 发明申请
    • REFRIGERATING CYCLE DEVICE
    • 制冷循环装置
    • US20110197607A1
    • 2011-08-18
    • US13124252
    • 2009-03-10
    • Kosuke TanakaYutaka Aoyama
    • Kosuke TanakaYutaka Aoyama
    • F25D17/06F25D17/02
    • F24F11/008B60H1/3211F24F11/46F24F11/77F24F11/83F25B13/00F25B2313/0233F25B2313/02741F25B2313/0293F25B2313/0294F25B2313/0314F25B2500/18F25B2600/2513F25B2700/15G05D7/0635Y02B30/746
    • A refrigerating cycle device that can reduce power consumption while cooling capacity or heating capacity is maintained is obtained. Operation control means that controls at least one of an operation capacity of a compressor, an air amount of an outdoor blower, an air amount of an indoor blower, and a throttle opening degree of throttle means so that a deviation between a target value and a sucked air temperature or blowoff air temperature becomes small and power detecting means that detects power consumption of the refrigerating cycle device are provided, and the operation control means acquires an operation manipulation amount with which the power consumption of the refrigerating cycle device becomes the minimum for at least one operation manipulation amount of the operation capacity of the compressor, the air amount of the outdoor blower, the air amount of the indoor blower, and the throttle opening degree of the throttle means and controls at least one of operation capacity of a compressor, the air amount of the outdoor blower, the air amount of the indoor blower, and the throttle opening degree of the throttle means in accordance with the operation manipulation amount.
    • 可以获得能够在保持冷却能力或加热能力的同时降低功耗的制冷循环装置。 操作控制装置控制压缩机的操作能力,室外鼓风机的空气量,室内鼓风机的空气量和节气门开度的至少一个,使得目标值和 吸入空气温度或吹出空气温度变小,并且提供检测制冷循环装置的功率消耗的功率检测装置,并且操作控制装置获取冷冻循环装置的功率消耗成为最小的操作操作量 压缩机的操作能力,室外鼓风机的空气量,室内鼓风机的空气量以及节流装置的节气门开度的操作操作量的至少一个操作量控制压缩机的操作能力, 室外鼓风机的空气量,室内鼓风机的空气量和节流阀的节气门开度 意味着根据操作操作量。