专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

61. 发明授权

US07391590B2 Thin film magnetic head and magnetic recording apparatus with partitioned heat sink layer 有权
标题翻译：薄膜磁头和带有分隔散热层的磁记录装置
公开(公告)号：US07391590B2
公开(公告)日：2008-06-24
申请号：US10926986
申请日：2004-08-27
申请人： Naoto Matono , Norikazu Ota , Mitsuo Otsuki
发明人： Naoto Matono , Norikazu Ota , Mitsuo Otsuki
IPC分类号： G11B5/40 , G11B5/127
CPC分类号： G11B5/3136 , G11B5/3116 , G11B5/3123 , G11B5/3133 , G11B5/6005
摘要： Provided is a thin film magnetic head capable of reducing the amount of protrusion of a write shield layer, thereby preventing a collision with a recording medium, and thereby ensuring a recording operation with stability. A heat sink layer is disposed on the leading side of a thin film coil in order to dissipate heat produced by the thin film coil. When the thin film coil produces heat during the recording of information, priority is given to the guidance of the heat to the leading side of the thin film coil, namely, the side opposite to the position of the write shield layer, rather than the guidance of the heat to the trailing side of the thin film coil, namely, the position of the write shield layer, so as to dissipate the heat. Thus, the thin film magnetic head reduces the likelihood of the heat accumulating in the write shield layer, thus reduces the likelihood of the write shield layer expanding thermally, and thus reduces the amount of protrusion of the write shield layer.
摘要翻译：提供一种能够减少写入屏蔽层的突出量的薄膜磁头，从而防止与记录介质的碰撞，从而确保记录操作的稳定性。散热层设置在薄膜线圈的前端，以便散发由薄膜线圈产生的热量。当薄膜线圈在记录信息期间产生热量时，优先考虑对薄膜线圈的前端（即与写入屏蔽层的位置相反的一侧）的引导，而不是引导的热量传递到薄膜线圈的后侧，即写入屏蔽层的位置，以便散热。因此，薄膜磁头降低了写入屏蔽层中积聚的可能性，从而降低了写入屏蔽层热扩展的可能性，从而减小了写入屏蔽层的突出量。

62. 发明授权

US07382578B2 Thin film magnetic head, method of manufacturing the same and magnetic recording apparatus 有权
标题翻译：薄膜磁头，制造方法和磁记录装置
公开(公告)号：US07382578B2
公开(公告)日：2008-06-03
申请号：US11062497
申请日：2005-02-23
申请人： Naoto Matono , Yasuyuki Notsuke
发明人： Naoto Matono , Yasuyuki Notsuke
IPC分类号： G11B5/147
CPC分类号： G11B5/3163 , G11B5/1278
摘要： Provided is a method of manufacturing a thin film magnetic head capable of manufacturing a thin film magnetic head with as high performance as possible. A magnetic pole layer is formed so as to have a laminate structure in which an auxiliary magnetic pole layer (including an adjacent portion and a nonadjacent portion) extending from a first flare point to the rear and a main magnetic pole layer (including a front end portion and a rear end portion) extending from an air bearing surface to the rear through the first flare point are laminated in this order. As (1) a recording track width is controlled with high precision through forming the main magnetic pole layer with high precision, (2) recording is stably performed by an increase in the amount of magnetic flux contained in the main magnetic pole layer, and (3) information recorded on a recording medium is stably maintained through preventing information erasing without intention, the thin film magnetic head can achieve higher performance.
摘要翻译：提供一种能够制造尽可能高性能的薄膜磁头的薄膜磁头的制造方法。磁极层形成为具有从第一扩张点向后延伸的辅助磁极层（包括相邻部分和不相邻部分）的辅助磁极层和主磁极层（包括前端部分和后端部）以空气轴承表面延伸到后部通过第一扩张点被依次层叠。如（1）通过高精度地形成主磁极层，高精度地控制记录磁道宽度，（2）通过增加主磁极层中所含的磁通量的量来稳定地进行记录，和（ 3）通过防止信息消除而无意地稳定地保持记录在记录介质上的信息，薄膜磁头可以实现更高的性能。

63. 发明授权

US07359152B2 Thin film magnetic head structure, method of manufacturing the same, and method of manufacturing thin film magnetic head 有权
标题翻译：薄膜磁头结构及其制造方法以及制造薄膜磁头的方法
公开(公告)号：US07359152B2
公开(公告)日：2008-04-15
申请号：US11206102
申请日：2005-08-18
申请人： Naoto Matono , Osamu Fukuroi , Quan Bao Wang
发明人： Naoto Matono , Osamu Fukuroi , Quan Bao Wang
IPC分类号： G11B5/147
CPC分类号： G11B5/3173 , G11B5/3166 , G11B5/3169 , G11B5/3903
摘要： The present invention provides a method of manufacturing a thin film magnetic head in which MR height and neck height can be determined with high precision. A plurality of thin film magnetic head bars are formed so as to include a plurality of thin film magnetic head precursors, a plurality of RLG sensors for reproducing head portions, and a plurality of RLG sensors for recording head portions. While detecting electrical resistance values of resistance films by using the RLG sensors for the reproducing head portions, the thin film magnetic head bar is pre-polished. Electrical resistance values of the resistance films are detected by using both of the RLG sensors for the reproducing head portions and the RLG sensors for the recording head portions and a tilt of a polished surface of the thin film magnetic head bar is adjusted. After that, while detecting the electrical resistance values of the resistance films by using the RLG sensors for the reproducing head portions again, the thin film magnetic head bar is finish-polished, thereby forming an air bearing surface.
摘要翻译：本发明提供一种可以高精度地确定MR高度和颈部高度的薄膜磁头的制造方法。多个薄膜磁头杆形成为包括多个薄膜磁头前体，多个用于再现头部的RLG传感器和用于记录头部的多个RLG传感器。通过使用用于再现头部的RLG传感器来检测电阻膜的电阻值，对该薄膜磁头棒进行预抛光。通过使用用于再现头部的RLG传感器和用于记录头部的RLG传感器来检测电阻膜的电阻值，并且调整薄膜磁头棒的抛光表面的倾斜。此后，通过再次使用用于再现头部的RLG传感器来检测电阻膜的电阻值，对薄膜磁头棒进行精抛光，从而形成空气轴承表面。

64. 发明申请

US20070133129A1 Thin film magnetic head, method of manufacturing the same, and magnetic recording apparatus 失效
标题翻译：薄膜磁头，其制造方法和磁记录装置
公开(公告)号：US20070133129A1
公开(公告)日：2007-06-14
申请号：US11655465
申请日：2007-01-18
申请人： Naoto Matono
发明人： Naoto Matono
IPC分类号： G11B5/127
CPC分类号： G11B5/3116 , G11B5/312 , G11B5/313 , G11B5/3163 , G11B5/3967 , Y10T29/49043 , Y10T29/49044 , Y10T29/49046 , Y10T29/49048 , Y10T29/49052
摘要： The present invention provides a thin film magnetic head achieving improved recording performance by sharpening recording magnetic field gradient as much as possible. The thin film magnetic head has a return yoke layer disposed on a trailing side of a magnetic pole layer, and width W3 of an exposed surface of a lower TH specifying part in a TH specifying portion in the return yoke layer is equal to or larger than width W1 of an exposed surface of the magnetic pole layer (W3□W1), and is less than width W4 of an exposed surface of an upper TH specifying part (W3
摘要翻译：本发明提供一种通过尽可能地锐化记录磁场梯度来实现改进的记录性能的薄膜磁头。薄膜磁头具有设置在磁极层的后侧的返回磁轭层，并且返回磁轭层中的TH指定部中的下TH指定部的暴露表面的宽度W 3等于或大于大于磁极层（W 3□W 1）的露出面的宽度W 1，小于上部TH指定部（W 3

65. 发明授权

US06971156B2 Method for manufacturing a thin film magnetic head 失效
标题翻译：薄膜磁头制造方法
公开(公告)号：US06971156B2
公开(公告)日：2005-12-06
申请号：US10117732
申请日：2002-04-04
申请人： Naoto Matono
发明人： Naoto Matono
IPC分类号： G11B5/31 , G11B5/127 , H04R31/00
CPC分类号： G11B5/313 , G11B5/3163 , Y10T29/49032 , Y10T29/49043 , Y10T29/49044 , Y10T29/49046 , Y10T29/49048
摘要： A thin film magnetic head capable of improving a high frequency response characteristic and the efficiency of the head, and reducing the manufacturing time, and a method of manufacturing the thin film magnetic head. After laminating a precursory layer for forming a coil pattern, a precursory layer for forming a separate layer, and a precursory layer for forming a coil pattern, these layers are continuously patterned with the use of a mask by etching to selectively form the coil pattern, the separate layer and the coil pattern in a batch process. The number of the manufacturing steps (the number of photolithography processes) is reduced compared with the case where the coil pattern, the separate layer, and the coil pattern are formed by plating in separate processes, so that a thin film coil comprising the coil patterns can be formed in a shorter time.
摘要翻译：一种能够提高高频响应特性和头部效率，并且缩短制造时间的薄膜磁头，以及制造薄膜磁头的方法。在层压用于形成线圈图案的前体层，用于形成单独层的前体层和用于形成线圈图案的前体层之后，通过蚀刻使用掩模来连续地图案化这些层以选择性地形成线圈图案，单独的层和线圈图案在批处理中。与通过在单独的工艺中电镀形成线圈图案，分离层和线圈图案的情况相比，制造步骤的数量（光刻处理的数量）减少，使得包括线圈图案的薄膜线圈可以在较短的时间内形成。

66. 发明授权

US5793579A Thin film magnetic head and process for producing same 失效
标题翻译：薄膜磁头及其制造方法
公开(公告)号：US5793579A
公开(公告)日：1998-08-11
申请号：US756520
申请日：1996-11-26
申请人： Tomomi Yamamoto , Shinji Kobayashi , Naoto Matono
发明人： Tomomi Yamamoto , Shinji Kobayashi , Naoto Matono
IPC分类号： G11B5/31 , G11B5/147
CPC分类号： G11B5/3106 , G11B5/3116 , G11B5/313 , G11B5/3163
摘要： A process for producing a thin film magnetic head comprises a first step of forming a magnetic layer 20 on the surface of a gap spacer layer 9, a second step of forming on the surface of the magnetic layer 20 a lower resist layer 21 shaped to have a smaller width than an upper core layer 11 when seen from above and forming on the resist layer 21 an upper resist layer 22 projecting outward beyond opposite side faces of the resist layer 21 and shaped in conformity with the shape of the upper core layer 11 when seen from above, a third step of shaping the magnetic layer 20 into the upper core layer 11 by ion beam-etching the magnetic layer 20, and a fourth step of removing the lower resist layer 21 and the upper resist layer 22. The core layer 11 consequently formed has a surface including a pair of curved faces R, R smoothly connecting opposite side faces of the layer 11 with respect to the direction of width of a track to the top face of the layer 11, enabling a protective layer forming step to provide a flawless protective layer 14.
摘要翻译：一种制造薄膜磁头的方法包括在间隔层9的表面上形成磁性层20的第一步骤，在磁性层20的表面上形成形成为具有下列抗蚀剂层21的第二步骤：当从上方观察时，比上芯层11的宽度小，并且在抗蚀剂层21上形成向上延伸超过抗蚀剂层21的相对侧面的上抗蚀剂层22，并且形成与上芯层11的形状一致从上方观察到的是通过离子束蚀刻磁性层20将磁性层20成形为上部芯层11的第三步骤，以及去除下部抗蚀剂层21和上部抗蚀剂层22的第四步骤。芯层 11具有包括一对曲面R，R，其平滑地将层11的相对侧面相对于层11的顶面的宽度方向连接起来，从而能够形成保护层提供无瑕疵的保护层14。

67. 发明授权

US5739991A Composite thin film head having magnetoresistive and inductive head portions with nonmagnetic thin film interposed between core and shield portions of core layer 失效
标题翻译：具有磁阻的复合薄膜头和介于芯层的芯部和屏蔽部分之间的非磁性薄膜的感应头部
公开(公告)号：US5739991A
公开(公告)日：1998-04-14
申请号：US761933
申请日：1996-12-09
申请人： Naoto Matono , Shinji Kobayashi , Masahiro Nakata
发明人： Naoto Matono , Shinji Kobayashi , Masahiro Nakata
IPC分类号： G11B5/31 , G11B5/39 , G11B5/147
CPC分类号： G11B5/3906 , G11B5/3967 , G11B5/3113 , G11B5/3156
摘要： A composite thin film head comprises a magnetoresistive head portion and an inductive head portion which are superposed on a substrate, the inductive head portion comprising a lower core layer disposed on one side of a gap spacer layer and adjacent to the magnetoresistive head portion, and an upper core layer disposed on the other side of the gap spacer layer. The lower core layer comprises a core portion positioned toward the upper core layer having the same width as the upper core layer in the vicinity of a medium-opposed face, and a shield portion positioned toward the magnetoresistive head portion having a larger width than the core portion in the vicinity of the medium-opposed face.
摘要翻译：复合薄膜头包括重叠在基板上的磁阻头部和感应头部，感应头部包括设置在间隙隔离层的一侧并与磁阻头部相邻的下芯层，上芯层设置在间隔层的另一侧。下芯层包括在介质相对面附近具有与上芯层相同的宽度的芯芯部分，以及朝向磁阻头部的屏蔽部分，该屏蔽部分具有比芯部宽的宽度部分在中等相对面附近。

68. 发明授权

US5510941A Magneto-resistive type magnetic head with a shunt layer of molybdenum 失效
标题翻译：具有钼分流层的磁阻型磁头
公开(公告)号：US5510941A
公开(公告)日：1996-04-23
申请号：US227277
申请日：1994-04-13
申请人： Tatsushi Ohyama , Masahiro Nakata , Naoto Matono
发明人： Tatsushi Ohyama , Masahiro Nakata , Naoto Matono
IPC分类号： G11B5/39
CPC分类号： G11B5/3932
摘要： A magneto-resistive head has an upper shield layer, a lower shield layer spaced a distance from the upper shield layer, a magneto-resistive layer disposed over the lower shield layer, a shunt layer disposed adjacent to the magneto-resistive layer for giving a magnetic bias field to the magneto-resistive layer, and a electrode layer in contact with the magneto-resistance device and the shunt layer for providing an electric current to both of the magneto-resistive layer and the shunt layer electric current. The magneto-resistive layer, the shunt layer and the electrode layer are disposed between the upper shield and the lower shield. The shunt layer consist of molybdenum having a grain size more than 150 angstrom. The shunt layer has low specific resistance. Therefore, the thickness of the shunt layer can be reduced. As a result, the distance between the upper and lower shield layer can be reduced. Consequently, the gap length of the magneto-resistive head is narrower than prior art magnetic heads.
摘要翻译：磁阻头具有上屏蔽层，与上屏蔽层隔开距离的下屏蔽层，设置在下屏蔽层上的磁阻层，邻近磁阻层设置的并联层，用于给予磁偏置磁场和与磁阻装置和分流层接触的电极层，用于向磁阻层和分流层电流两者提供电流。磁阻层，分流层和电极层设置在上屏蔽和下屏蔽之间。并联层由粒径大于150埃的钼组成。并联层具有低电阻率。因此，可以减小并联层的厚度。结果，可以减小上下屏蔽层之间的距离。因此，磁阻头的间隙长度比现有技术的磁头窄。

69. 发明授权

US09041483B2 Attenuator 有权
标题翻译：衰减器
公开(公告)号：US09041483B2
公开(公告)日：2015-05-26
申请号：US13479639
申请日：2012-05-24
申请人： Tsz Chun Ng , Naoto Matono , Yat Hin Chan , Hui Wang
发明人： Tsz Chun Ng , Naoto Matono , Yat Hin Chan , Hui Wang
IPC分类号： H01P1/22 , H03H7/24 , H01C1/14
CPC分类号： H01P1/227 , H01C1/14 , H03H7/24
摘要： An attenuator includes, on a substrate: a resistor section; an insulating film covering the resistor section; and connection terminals covering the insulating film and connected in part to the resistor section. A total thickness of the insulating film and the connection terminal in a region where the insulating film and the connection terminal overlap with the resistor section is from 50 μm to 200 μm.
摘要翻译：衰减器包括在基板上：电阻器部分; 覆盖所述电阻部的绝缘膜; 以及覆盖绝缘膜并且部分地连接到电阻器部分的连接端子。绝缘膜和连接端子与电阻器部分重叠的区域中的绝缘膜和连接端子的总厚度为50μm至200μm。

70. 发明申请

US20120002326A1 Perpendicular Magnetic Write head and method of manufacturing the same 有权
标题翻译：垂直磁头写头及其制造方法
公开(公告)号：US20120002326A1
公开(公告)日：2012-01-05
申请号：US12801904
申请日：2010-06-30
申请人： Tetsuya Mino , Naoto Matono , Ikuhito Onodera , Kazushi Nishiyama , Michitoshi Tsuchiya , Kenji Sasaki
发明人： Tetsuya Mino , Naoto Matono , Ikuhito Onodera , Kazushi Nishiyama , Michitoshi Tsuchiya , Kenji Sasaki
IPC分类号： G11B5/10
CPC分类号： G11B5/1278 , G11B5/23 , G11B5/3116 , G11B5/315 , G11B5/3163 , Y10T29/49043 , Y10T29/49044
摘要： A perpendicular magnetic write head includes: a magnetic pole; a pair of nonmagnetic side gap layers provided on both sides in a track-width direction of the magnetic pole; a nonmagnetic trailing gap layer provided on a trailing side of the magnetic pole; a magnetic shield layer so provided as to surround the magnetic pole with both of the nonmagnetic side gap layer and the nonmagnetic trailing gap layer in between; and a magnetic seed layer formed between the nonmagnetic trailing gap layer and the magnetic shield layer, and having a saturation magnetic flux density higher than that of the magnetic shield layer. The magnetic seed layer is not formed between the nonmagnetic side gap layer and the magnetic shield layer.
摘要翻译：垂直磁性写头包括：磁极; 设置在所述磁极的轨道宽度方向的两侧的一对非磁性侧间隙层; 设置在磁极的后侧的非磁性拖尾间隙层; 设置为围绕磁极的磁屏蔽层，其间具有非磁性侧间隙层和非磁性拖尾间隙层; 以及形成在非磁性后隙间隔层和磁屏蔽层之间的磁性种子层，并且具有高于磁屏蔽层的饱和磁通密度的饱和磁通密度。在非磁性侧间隙层和磁屏蔽层之间不形成磁性种子层。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式