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1. 发明申请

US20100104316A1 ELECTROSTATIC CHARGING MEMBER, ELECTROSTATIC CHARGING DEVICE, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS 有权
标题翻译：静电充电构件，静电充电装置，工艺盒和图像形成装置
公开(公告)号：US20100104316A1
公开(公告)日：2010-04-29
申请号：US12424970
申请日：2009-04-16
申请人： Takuro HOSHIO , Noboru WADA , Makoto TAKEMOTO , Nagahito ICHIJO , Naoki OHTA , Kenji INOUE , Hiroyuki MIURA , Keiko ONO , Taketoshi HOSHIZAKI , Minoru ROKUTAN
发明人： Takuro HOSHIO , Noboru WADA , Makoto TAKEMOTO , Nagahito ICHIJO , Naoki OHTA , Kenji INOUE , Hiroyuki MIURA , Keiko ONO , Taketoshi HOSHIZAKI , Minoru ROKUTAN
IPC分类号： G03G15/02
CPC分类号： G03G15/0233
摘要： An electrostatic charging member includes a base material; and an outermost layer that contains a porous filler and a resin and has a gel fraction of at least about 50% and a surface roughness Rz in a range of about 2 μm to about 20 μm.
摘要翻译：静电充电构件包括基材; 以及包含多孔填料和树脂并且具有至少约50％的凝胶分数和约2μm至约20μm范围的表面粗糙度Rz的最外层。

2. 发明申请

US20110194221A1 ELECTRONIC CIRCUIT BOARD, MAGNETIC SENSOR, AND METHOD FOR PROTECTING POWER SUPPLY OF ELECTRONIC CIRCUIT 有权
标题翻译：电子电路板，磁传感器及保护电路电源的方法
公开(公告)号：US20110194221A1
公开(公告)日：2011-08-11
申请号：US13019601
申请日：2011-02-02
申请人： Naoki OHTA
发明人： Naoki OHTA
IPC分类号： H02H3/02
CPC分类号： G01R33/098 , G01R33/0023
摘要： An electronic circuit board includes a TMR element having two terminals connected to a power supply and a ground, respectively, at least through a lead. After a breakdown of a tunnel barrier film of the TMR element, at least a part of the lead breaks by an overcurrent due to a short circuit between the two terminals.
摘要翻译：电子电路板包括分别至少通过引线连接到电源和接地的两个端子的TMR元件。在TMR元件的隧道势垒膜击穿之后，由于两个端子之间的短路，导线的至少一部分由于过电流而断开。

3. 发明申请

US20080019056A1 THIN-FILM MAGNETIC HEAD, MAGNETIC HEAD ASSEMBLY, MAGNETIC DISK DRIVE APPARATUS AND MANUFACTURING METHOD OF THIN-FILM MAGNETIC HEAD 有权
标题翻译：薄膜磁头，磁头组件，磁盘驱动装置及薄膜磁头的制造方法
公开(公告)号：US20080019056A1
公开(公告)日：2008-01-24
申请号：US11774912
申请日：2007-07-09
申请人： Naoki OHTA , Kosuke TANAKA , Takayasu KANAYA , Kazuki SATO , Yasufumi UNO , Tetsuya KUWASHIMA
发明人： Naoki OHTA , Kosuke TANAKA , Takayasu KANAYA , Kazuki SATO , Yasufumi UNO , Tetsuya KUWASHIMA
IPC分类号： G11B5/10
CPC分类号： G11B5/3967 , B82Y10/00 , B82Y25/00 , G11B5/3163 , G11B5/3909 , G11B5/3912 , G11B2005/3996
摘要： A thin-film magnetic head provided with at least one MR read head element includes a lower shield layer, an upper shield layer, and an MR layer formed between the lower shield layer and the upper shield layer. A profile of the upper shield layer, appeared at an ABS, has obtuse or rounded upper corners at end edges of the upper shield layer along a track-width direction.
摘要翻译：设置有至少一个MR读取头元件的薄膜磁头包括下屏蔽层，上屏蔽层和形成在下屏蔽层和上屏蔽层之间的MR层。出现在ABS处的上屏蔽层的轮廓在沿着轨道宽度方向的上屏蔽层的端部边缘处具有钝角或圆形的上角。

4. 发明申请

US20080238420A1 MAGNETIC SENSOR 有权
标题翻译：磁传感器
公开(公告)号：US20080238420A1
公开(公告)日：2008-10-02
申请号：US12053219
申请日：2008-03-21
申请人： Susumu HARATANI , Hitoshi YAMAGUCHI , Naoki OHTA
发明人： Susumu HARATANI , Hitoshi YAMAGUCHI , Naoki OHTA
IPC分类号： G01R33/09
CPC分类号： G01R33/093 , B82Y25/00
摘要： The magnetic sensor comprises a spin-valve GMR including a free layer having an elongated form as seen in a laminating direction and a permanent magnet layer having an elongated form as seen in the laminating direction. The permanent magnet layer is arranged in parallel with the free layer.
摘要翻译：磁传感器包括自旋阀GMR，其包括在层叠方向上具有细长形状的自由层和在层叠方向上看到的具有细长形状的永久磁铁层。永磁体层与自由层平行设置。

5. 发明申请

US20080158723A1 MAGNETIC DISK DRIVE APPARATUS WITH MAGNETIC HEAD SLIDERS 有权
标题翻译：磁性磁带驱动装置与磁头滑块
公开(公告)号：US20080158723A1
公开(公告)日：2008-07-03
申请号：US11617201
申请日：2006-12-28
申请人： Naoki OHTA , Kazuki Sato
发明人： Naoki OHTA , Kazuki Sato
IPC分类号： G11B5/012
CPC分类号： G11B5/54 , G11B5/40
摘要： A magnetic disk drive apparatus includes a magnetic disk, a ramp mechanism, a pair of magnetic head sliders each having an MR read head element, and a load/unload mechanism for retracting the pair of magnetic head sliders to the ramp mechanism under unloading states and for putting the pair of magnetic head sliders back to face front and back surfaces of the magnetic disk respectively under loading states. The ramp mechanism has head resting portions and a pair of permanent magnets. The pair of magnetic head sliders respectively resting in the head resting portions in a manner to face to each other during unloaded states. The pair of permanent magnets generates a closed loop magnetic field applied to the pair of magnetic head sliders rested in the respective head resting portions. The magnetic fields applied to the respective magnetic head sliders are in opposite directions along the track width of the magnetic head sliders.
摘要翻译：磁盘驱动装置包括磁盘，斜坡机构，每个具有MR读取头元件的一对磁头滑块，以及用于在卸载状态下将一对磁头滑块回缩到斜坡机构的装载/卸载机构，以及用于将一对磁头滑块分别放置在负载状态下面对磁盘的前表面和后表面。斜坡机构具有头部静止部分和一对永磁体。一对磁头滑块在卸载状态下以彼此面对的方式分别搁置在头部静止部分中。一对永磁体产生一个闭环磁场，该磁场施加到搁置在相应磁头固定部分中的一对磁头滑块。施加到相应的磁头滑块的磁场沿着磁头滑块的轨道宽度处于相反的方向。

6. 发明申请

US20080084628A1 HEAD AMPLIFIER WITH A HEAT CONTROLLER 有权
标题翻译：带热控制器的头放大器
公开(公告)号：US20080084628A1
公开(公告)日：2008-04-10
申请号：US11851043
申请日：2007-09-06
申请人： Naoki OHTA , Tetsuya KUWASHIMA
发明人： Naoki OHTA , Tetsuya KUWASHIMA
IPC分类号： G11B5/09
CPC分类号： G11B5/3136 , G11B5/3133 , G11B5/6064 , G11B5/607
摘要： Timely and proper flying height adjustment is achieved using a controller, which is designed for a magnetic recording and reproducing apparatus that does not use a magnetic head having a heating element for flying height adjustment without any modification. A head amplifier includes a write amplifier for applying a write current to a write head element, a read amplifier for amplifying a read voltage output from a read head element and outputting a read signal, a heating element driver for applying a heat generating current to at least one heating element for adjusting a flying height, and a heat controller for controlling the heating element driver.
摘要翻译：使用控制器实现及时和适当的飞行高度调节，所述控制器被设计用于不使用具有用于飞行高度调节的加热元件的磁头的磁记录和再现装置，而不进行任何修改。头放大器包括用于向写头元件施加写入电流的写入放大器，用于放大从读取头元件输出的读取电压并输出读取信号的读取放大器，用于向发生电流施加发热电流的加热元件驱动器用于调节飞行高度的至少一个加热元件和用于控制加热元件驱动器的热控制器。

7. 发明申请

US20080024896A1 HEAT-ASSISTED MAGNETIC RECORDING METHOD USING EDDY CURRENT AND HEAD FOR HEAT-ASSISTED MAGNETIC RECORDING 有权
标题翻译：使用EDDY电流和磁头进行热辅助磁记录的热辅助磁记录方法
公开(公告)号：US20080024896A1
公开(公告)日：2008-01-31
申请号：US11780973
申请日：2007-07-20
申请人： Naoki OHTA , Kosuke TANAKA
发明人： Naoki OHTA , Kosuke TANAKA
IPC分类号： G11B5/02
CPC分类号： G11B5/1278 , G11B2005/0016 , G11B2005/0021 , G11B2005/0034
摘要： The present invention provides a heat-assisted magnetic recording method which can efficiently and locally heat the magnetic recording medium without a head which needs a great task in manufacture process.A heat-assisted magnetic recording method is provided, which comprises steps of: heating a portion of a magnetic recording layer included in a magnetic recording medium by generating an eddy current with applying a high-frequency magnetic field to said portion or a portion near said portion; applying a write magnetic field to at least a part of said portion on a state temporarily reducing a coercive force of said portion; and writing data to said magnetic recording medium.
摘要翻译：本发明提供一种热辅助磁记录方法，其能够在不需要在制造过程中需要很大任务的头部的情况下有效地并且局部地加热磁记录介质。提供了一种热辅助磁记录方法，其包括以下步骤：通过产生涡电流来加热包含在磁记录介质中的磁记录层的一部分，该磁流体对所述部分或所述部分附近施加高频磁场一部分; 在暂时降低所述部分的矫顽力的状态下对所述部分的至少一部分施加写入磁场; 并将数据写入所述磁记录介质。

8. 发明申请

US20130134969A1 THREE-DIMENSIONAL MAGNETIC FIELD SENSOR AND METHOD OF PRODUCING SAME 有权
标题翻译：三维磁场传感器及其制造方法
公开(公告)号：US20130134969A1
公开(公告)日：2013-05-30
申请号：US13493495
申请日：2012-06-11
申请人： Naoki OHTA , Hiroshi YAMAZAKI
发明人： Naoki OHTA , Hiroshi YAMAZAKI
IPC分类号： G01R33/09 , B23P17/04
CPC分类号： G01R33/093 , G01R33/098
摘要： A three-dimensional magnetic field sensor includes a substrate having an element placement surface that is planar, and first, second and third MR elements disposed on a side of the element placement surface of the substrate and integrated with the substrate. Each of the first, second and third MR elements includes a magnetization pinned layer, a nonmagnetic layer, and a free layer. The magnetization pinned layer of the first MR element has a magnetization direction that is pinned in an X direction parallel to the element placement surface. The magnetization pinned layer of the second MR element has a magnetization direction that is pinned in a Y direction parallel to the element placement surface and different from the X direction. The magnetization pinned layer of the third MR element has a magnetization direction that is pinned in a Z direction perpendicular to the element placement surface.
摘要翻译：三维磁场传感器包括具有平面的元件放置表面的基板，以及设置在基板的元件放置表面侧并与基板一体化的第一和第三MR元件。第一，第二和第三MR元件中的每一个包括磁化钉扎层，非磁性层和自由层。第一MR元件的磁化固定层具有在平行于元件放置表面的X方向上销钉的磁化方向。第二MR元件的磁化固定层具有被固定在与元件放置表面平行的Y方向并且与X方向不同的磁化方向。第三MR元件的磁化固定层具有被固定在与元件放置表面垂直的Z方向上的磁化方向。

9. 发明申请

US20100040957A1 METHOD OF MEASURING DIMENSION OF PATTERN AND METHOD OF FORMING PATTERN 有权
标题翻译：测量图形尺寸的方法和形成图案的方法
公开(公告)号：US20100040957A1
公开(公告)日：2010-02-18
申请号：US12191735
申请日：2008-08-14
申请人： Tetsuya HIRAKI , Naoki OHTA , Yoshiaki TANAKA
发明人： Tetsuya HIRAKI , Naoki OHTA , Yoshiaki TANAKA
IPC分类号： G03F1/00 , G03F7/20 , G01B21/02 , G01N23/00
CPC分类号： G01B15/00 , G01B21/02 , G03F1/44 , G03F1/84
摘要： A method of measuring dimension of a first pattern with a narrow first width, and a second pattern with a second width wider than the first width of the first pattern and formed in a symmetrical appearance with respect to the pattern center, the second pattern having edges opposed to each other defining the second width, includes a step of forming a pair of first dummy patterns each having a narrow width, the pair of first dummy patterns being spaced from the edges of the second pattern respectively by a distance approximate to the first width of the first pattern, a first measurement step of measuring, using a dimension measuring device, a spaced distance of one of the first dummy patterns from the edge of the second pattern and a width of the one of the first dummy patterns within the same field of view of the dimension measuring device, a second measurement step of measuring, using the dimension measuring device, a width of the first pattern under the same measurement condition as that of the first measurement step, and a calculation step of calculating a width of the second pattern from WB=2DA+WD+DC, where WB is the calculated width of the second pattern, DC is a design value of a distance between the centers of the pair of first dummy patterns, DA is a measured spaced distance of the one of the first dummy patterns, and WD is a measured width of the one of the first dummy patterns.
摘要翻译：一种测量具有窄的第一宽度的第一图案的尺寸的方法和具有比第一图案的第一宽度宽的第二宽度并且相对于图案中心形成为对称外观的第二图案的第二图案，第二图案具有边缘包括限定第二宽度的彼此相对的步骤包括形成各自具有窄宽度的一对第一虚拟图案的步骤，所述一对第一虚设图案分别与第二图案的边缘间隔开近似于第一宽度的距离第一模式的测量步骤，第一测量步骤，使用尺寸测量装置测量第一伪图案中的一个与第二图案的边缘的间隔距离，以及在相同字段内的第一虚设图案中的一个的宽度在第二测量步骤中，使用尺寸测量装置在与t相同的测量条件下测量第一图案的宽度第一测量步骤的帽子和从WB = 2DA + WD + DC计算第二图案的宽度的计算步骤，其中WB是第二图案的计算宽度，DC是中心之间的距离的设计值所述一对第一虚拟图案中的DA是所述第一伪图案中的一个的测量间隔距离，并且WD是所述第一虚拟图案之一的测量宽度。

10. 发明申请

US20080074800A1 MANUFACTURING METHOD OF THIN-FILM MAGNETIC HEAD AND THIN-FILM MAGNETIC HEAD 审中-公开
标题翻译：薄膜磁头和薄膜磁头的制造方法
公开(公告)号：US20080074800A1
公开(公告)日：2008-03-27
申请号：US11855190
申请日：2007-09-14
申请人： Takeo KAGAMI , Naoki OHTA , Kosuke TANAKA
发明人： Takeo KAGAMI , Naoki OHTA , Kosuke TANAKA
IPC分类号： G11B5/33
CPC分类号： G11B5/3967 , B82Y10/00 , B82Y25/00 , G11B5/3163 , G11B5/3909 , G11B5/3932 , G11B2005/3996
摘要： A manufacturing method of a thin-film magnetic head with an MR read head element, includes an MR film deposition step of depositing on a lower magnetic shield layer an MR multi-layered film, a first patterning step of patterning the deposited MR multi-layered film for defining a track width using a first mask, a first lift-off step of depositing at least an insulation film and a magnetic domain control film under a state where the first mask used the first patterning step is remained and removing the first mask to form a magnetic domain control layer, a second patterning step of patterning the MR multi-layered films for defining a width in a height direction that is perpendicular to a track-width direction to form a MR multi-layered structure, and a upper shield layer deposition step of depositing an upper magnetic shield layer. A length in the height direction that is perpendicular to the track-width direction, of the magnetic domain control layer near the MR multi-layered structure is longer than a length in the height direction of the MR multi-layered structure. The method further includes a planarization step of planarizing an upper surface. This planarization step is performed after the second patterning step but before the upper shield layer deposition step.
摘要翻译：一种具有MR读取头元件的薄膜磁头的制造方法，包括在MR磁性屏蔽层上沉积MR多层膜的MR膜沉积步骤，将沉积的MR多层图案化的第一图案形成步骤用于使用第一掩模限定轨道宽度的膜，在保持使用第一图案化步骤的第一掩模的状态下保留至少绝缘膜和磁畴控制膜的第一剥离步骤，并且将第一掩模移除到形成磁畴控制层，第二图形化步骤，用于对MR多层膜进行图案化，以限定垂直于轨道宽度方向的高度方向的宽度以形成MR多层结构;以及上屏蔽层沉积上磁屏蔽层的沉积步骤。在MR多层结构附近的磁畴控制层的与轨道宽度方向垂直的高度方向的长度比MR多层结构的高度方向的长度长。该方法还包括平坦化上表面的平坦化步骤。该平坦化步骤在第二图案化步骤之后但在上屏蔽层沉积步骤之前进行。

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