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    • 72. 发明申请
    • Thin film magnetic head and manufacturing method thereof
    • 薄膜磁头及其制造方法
    • US20050083607A1
    • 2005-04-21
    • US10687634
    • 2003-10-20
    • Yoshitaka SasakiTakehiro Kamigama
    • Yoshitaka SasakiTakehiro Kamigama
    • G11B5/31G11B5/147G11B5/187H01F10/16H01F10/32H01F41/18
    • G11B5/3136G11B5/1877
    • The invention is directed to improvement of a write element of a thin film magnetic head. The first pole portion projects from a flat surface of a first yoke portion at a medium-facing surface side and having a reduced width at its upper end. The second pole portion faces the upper end of the first pole portion, having the same width as the upper end of the first pole portion, with the gap film interposed between the second pole portion and the upper end of the first pole portion. The first pole portion includes a magnetic film adjacent to the gap film, the magnetic film etched at both sides in width direction to have a narrowed portion having substantially the same width as the second pole portion, and a base portion connected to the narrowed portion, increasing in thickness toward the narrowed portion.
    • 本发明旨在改进薄膜磁头的写入元件。 第一极部从中间面侧的第一磁轭部的平坦面突出,在其上端具有减小的宽度。 第二极部分面对第一极部分的上端,具有与第一极部分的上端相同的宽度,间隙膜介于第二极部分和第一极部分的上端之间。 第一极部包括与间隙膜相邻的磁性膜,在宽度方向两侧蚀刻的磁性膜具有与第二极部大致相同的宽度的变窄部,以及连接于变窄部的基部, 朝向狭窄部分的厚度增加。
    • 73. 发明授权
    • Method of manufacturing a thin film magnetic head
    • 制造薄膜磁头的方法
    • US07549216B2
    • 2009-06-23
    • US11377267
    • 2006-03-17
    • Yoshitaka SasakiTakehiro KamigamaHiroyuki Itoh
    • Yoshitaka SasakiTakehiro KamigamaHiroyuki Itoh
    • G11B5/17
    • B82Y25/00B82Y10/00G11B5/17G11B5/3116G11B5/3163G11B5/3906G11B5/3909G11B2005/3996Y10T29/4906Y10T29/49062Y10T29/49064
    • The invention is directed to a method for manufacturing a thin film magnetic head comprising forming a first coil, a first pole piece and a first back gap piece on a first insulating film formed on a surface of a first magnetic film, so that the first coil, the first pole piece and the first back gap piece have a taper angle making a sectional shape wider in a lower part and narrower in an upper part; forming a second insulating film on surfaces of the first coil, the first pole piece and the first back gap piece; forming a first seed film on the second insulating film; growing a first plating film for a second coil on the first seed film in an area where the second coil is to be formed, so that the first plating film fills up spaces between the first pole piece and an outermost coil turn of the first coil, between coil turns of the first coil, and between an innermost coil turn of the first coil and the first back gap piece; and flattening the first plating film by polishing, so that to obtain a pattern of the second coil.
    • 本发明涉及一种制造薄膜磁头的方法,包括在形成在第一磁性膜的表面上的第一绝缘膜上形成第一线圈,第一极片和第一后隙片,使得第一线圈 所述第一极靴和所述第一后部间隔件具有锥形角度,使下部形成较宽的截面形状,并且在上部较窄; 在第一线圈,第一极靴和第一后隙片的表面上形成第二绝缘膜; 在所述第二绝缘膜上形成第一种子膜; 在要形成第二线圈的区域中,在第一种子膜上生长用于第二线圈的第一镀膜,使得第一镀膜填充第一线圈和第一线圈的最外侧线圈圈之间的空间, 在第一线圈的线圈匝之间以及第一线圈的最内侧的线圈匝与第一后部间隙片之间; 并通过研磨来平坦化第一镀膜,从而获得第二线圈的图案。
    • 74. 发明申请
    • THIN FILM MAGNETIC HEAD AND MANUFACTURING METHOD THEREOF
    • 薄膜磁头及其制造方法
    • US20090045162A1
    • 2009-02-19
    • US12252411
    • 2008-10-16
    • Yoshitaka SASAKIHiroyuki ItohTakehiro KamigamaTatsushi Shimizu
    • Yoshitaka SASAKIHiroyuki ItohTakehiro KamigamaTatsushi Shimizu
    • G11B5/33B05D5/12
    • G11B5/3116G11B5/1278
    • A thin film magnetic head has a configuration in which a main magnetic pole film having a magnetic pole end portion on a medium opposing surface (ABS) side facing a magnetic disk, a write shield film facing the magnetic pole end portion so as to form a recording gap film on the medium opposing surface side, and a thin film coil wound around at least a part of the write shield film are laminated. Further, the thin film magnetic head has an upper yoke magnetic pole film whose size is larger than that of the main magnetic pole film at a part more distant from the ABS than the recording gap film, and this upper yoke magnetic pole film is bonded to the side of the main magnetic pole film close to the thin film coil. In the upper yoke magnetic pole film, an end portion on the ABS side is retracted in a direction apart from the ABS in accordance with an increase in film thickness which is measured from the surface of the main magnetic pole film.
    • 薄膜磁头具有这样的结构,其中在与磁盘相对的介质相对表面(ABS)侧上具有磁极端部的主磁极膜,面对磁极端部的写入屏蔽膜以形成 记录间隙膜在介质相对表面侧上,并且缠绕在写保护膜的至少一部分上的薄膜线圈。 此外,薄膜磁头具有比记录间隙膜更远离ABS的部分的尺寸大于主磁极膜的上磁轭磁极膜,并且该上磁轭磁极膜粘合到 主磁极膜的一侧靠近薄膜线圈。 在上磁轭磁极膜中,根据从主磁极膜的表面测量的膜厚度的增加,ABS侧的端部沿与ABS隔离的方向缩回。
    • 77. 发明授权
    • Thin film magnetic head and manufacturing method thereof
    • 薄膜磁头及其制造方法
    • US07239479B2
    • 2007-07-03
    • US10782930
    • 2004-02-23
    • Yoshitaka SasakiTakehiro Kamigama
    • Yoshitaka SasakiTakehiro Kamigama
    • G11B5/147G11B5/17
    • G11B5/3116Y10T29/49043Y10T29/49044Y10T29/49046Y10T29/4906
    • In a write element of a thin film magnetic head, a second pole portion has a reduced width in the medium-facing surface side. A first pole portion includes a trimmed portion in such a position that the trimmed portion faces the second pole portion in the medium-facing surface side, and the trimmed portion has a reduced width to fit the second pole portion. The first pole portion includes an extending portion that extends so as to cover one surface of a coil facing the second pole portion. To manufacture the thin film magnetic head, a part which the first pole portion is composed of is formed so that the part extends to cover the upper surface of the coil, and the first pole portion is trimmed so as to have a width fitting the second pole portion.
    • 在薄膜磁头的写入元件中,第二极部在面向中间的表面侧具有减小的宽度。 第一极部包括修剪部分,该修剪部分在修剪部分面向介质相对表面侧中的第二极部分,并且修剪部分具有减小的宽度以配合第二极部分。 第一极部分包括延伸部分,其延伸以覆盖面向第二极部分的线圈的一个表面。 为了制造薄膜磁头,构成第一极部的部分形成为使得该部分延伸以覆盖线圈的上表面,并且第一极部被修整成具有适合第二极部的第二极部的宽度 极部分。
    • 78. 发明授权
    • Method of manufacturing a thin-film magnetic head
    • 制造薄膜磁头的方法
    • US07168156B2
    • 2007-01-30
    • US11512088
    • 2006-08-30
    • Yoshitaka SasakiTakehiro Kamigama
    • Yoshitaka SasakiTakehiro Kamigama
    • G11B5/127G11B5/17
    • G11B5/313G11B5/17G11B5/3116G11B5/3123G11B5/3163Y10T29/49032Y10T29/49037Y10T29/49043Y10T29/49044Y10T29/4906Y10T29/49062Y10T29/49155
    • A thin-film magnetic head comprises first and second magnetic pole groups, magnetically connected to each other, having respective magnetic pole parts opposing each other on a side of a medium-opposing surface; a recording gap layer formed between the magnetic pole parts; and a thin-film coil insulated from the first and second magnetic pole groups and helically wound about at least one of them; which are laminated on a substrate. The thin-film coil comprises a first conductor group having a plurality of inner conductor parts disposed between the first and second magnetic pole groups, a second conductor group having a plurality of outer conductor parts disposed outside the second magnetic pole group, and a connecting part group having a plurality of connecting parts for connecting the inner conductor parts to the outer conductor parts. Each of the first and second conductor groups includes an insulating contact structure for making the inner or outer conductor parts in contact with each other by way of an insulating film.
    • 薄膜磁头包括彼此磁连接的第一和第二磁极组,它们在介质相对表面的一侧具有彼此相对的各自的磁极部分; 形成在所述磁极部之间的记录间隙层; 以及与所述第一和第二磁极组绝缘并围绕其中的至少一个螺旋缠绕的薄膜线圈; 它们层压在基板上。 薄膜线圈包括具有设置在第一和第二磁极组之间的多个内部导体部分的第一导体组,具有设置在第二磁极组外部的多个外部导体部分的第二导体组和连接部分 组具有用于将内导体部分连接到外导体部分的多个连接部分。 第一和第二导体组中的每一个包括用于通过绝缘膜使内部或外部导体部分彼此接触的绝缘接触结构。
    • 79. 发明授权
    • Method of manufacturing a slider of a thin-film magnetic head
    • 制造薄膜磁头的滑块的方法
    • US07159301B2
    • 2007-01-09
    • US09970786
    • 2001-10-05
    • Yoshitaka SasakiTakehiro Kamigama
    • Yoshitaka SasakiTakehiro Kamigama
    • G11B5/187G11B5/17
    • G11B5/6005Y10T29/49032Y10T29/49041Y10T29/49046Y10T29/49048Y10T29/49052Y10T29/4906
    • A method of manufacturing a slider comprises the steps of: forming a slider material including a substrate, a thin-film magnetic head element and an insulating portion; forming a first surface in the slider material by etching a surface of the substrate facing toward a recording medium; forming a medium facing layer in the slider material so as to be adjacent to the first surface; and forming a medium facing surface in the slider material by lapping a surface of the medium facing layer facing toward the recording medium and a surface of the insulating portion facing toward the recording medium. The substrate has a hardness greater than that of the insulating portion. As the substrate and the medium facing layer are compared in hardness, the medium facing layer has a hardness closer to that of the insulating portion.
    • 制造滑块的方法包括以下步骤:形成包括基板,薄膜磁头元件和绝缘部分的滑块材料; 通过蚀刻面向记录介质的基板的表面,在滑块材料中形成第一表面; 在所述滑块材料中形成与所述第一表面相邻的中等面向层; 以及通过研磨面向所述记录介质的介质面向层的表面和面向所述记录介质的所述绝缘部分的表面,在所述滑块材料中形成介质面向表面。 基板的硬度大于绝缘部分的硬度。 由于在硬度上比较了基板和介质表面层,介质层的硬度接近于绝缘部分的硬度。
    • 80. 发明授权
    • Method of manufacturing thin-film magnetic head
    • 制造薄膜磁头的方法
    • US07155809B2
    • 2007-01-02
    • US11401955
    • 2006-04-12
    • Yoshitaka SasakiHiroyuki ItohTakehiro Kamigama
    • Yoshitaka SasakiHiroyuki ItohTakehiro Kamigama
    • G11B5/127G11B5/147
    • G11B5/1878Y10T29/49041Y10T29/49043Y10T29/49044Y10T29/49046Y10T29/49052Y10T29/4906
    • A method of manufacturing a thin-film magnetic head comprises the steps of forming a first pole layer, forming a gap layer on a pole portion of the first pole layer, and forming a second pole layer on the gap layer. The second pole layer incorporates a first layer adjacent to the gap layer, and a second layer including a track width defining portion. The step of forming the second pole layer includes the steps of: forming a magnetic layer for forming the first layer on the gap layer; forming the second layer on the magnetic layer; and etching the magnetic layer to align with a width of the track width defining portion, so that the magnetic layer is formed into the first layer and the width of each of the first layer and the second layer taken in a medium facing surface is made equal to the track width.
    • 一种制造薄膜磁头的方法包括以下步骤:形成第一极层,在第一极层的极部上形成间隙层,并在间隙层上形成第二极层。 第二极层包括与间隙层相邻的第一层,以及包括轨道宽度限定部分的第二层。 形成第二极层的步骤包括以下步骤:在间隙层上形成用于形成第一层的磁性层; 在所述磁性层上形成所述第二层; 并且蚀刻所述磁性层以与所述磁道宽度限定部分的宽度对准,使得所述磁性层形成为所述第一层,并且使所述第一层和所述第二层中的每个所述第一层和所述第二层的宽度在介质面向表面中相等 到轨道宽度。