专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2006331612A Thin film magnetic head and manufacturing method thereof 审中-公开
标题翻译：薄膜磁头及其制造方法
公开(公告)号：JP2006331612A
公开(公告)日：2006-12-07
申请号：JP2005342150
申请日：2005-11-28
申请人： Headway Technol Inc , Shinka Jitsugyo Kk , ヘッドウェイ・テクノロジーズ・インコーポレーテッドHeadway Technologies,Inc. , 新科實業有限公司SAE Magnetics(H.K.)Ltd.
发明人： SASAKI YOSHITAKA , ITO HIROYUKI , KAMIKAMA TAKEHIRO , SHIMIZU TATSUJI
IPC分类号： G11B5/31
CPC分类号： G11B5/3116 , G11B5/1278
摘要： PROBLEM TO BE SOLVED: To provide a thin film magnetic head utilizing a perpendicular recording scheme having excellent overwrite characteristics.
SOLUTION: The thin film magnetic head has a configuration in which a main magnetic pole film 211 having a magnetic pole end portion 210 on a medium opposing surface (ABS) side facing a magnetic disk, a write shield film 222 facing the magnetic pole end portion 210 so as to form a recording gap film 241 on the medium opposing surface side, and a thin film coil 231 wound around at least a part of the write shield film 222 are laminated. Furthermore, the thin film magnetic head has an upper yoke magnetic pole film 212 whose size is larger than that of the main magnetic pole film 211 at a part more distant from the ABS than the recording gap film 241, and this upper yoke magnetic pole film 212 is bonded to the side of the main magnetic pole film 211 close to the thin film coil 231. In the upper yoke magnetic pole film 212, 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 211.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：利用具有优异的重写特性的垂直记录方案来提供薄膜磁头。解决方案：薄膜磁头具有这样一种构造，其中在与磁盘相对的介质相对表面（ABS）侧上具有磁极端部210的主磁极膜211，面向磁盘的写入屏蔽膜222 磁极端部210，以在介质相对表面侧上形成记录间隙膜241，并且层叠缠绕在写保护膜222的至少一部分上的薄膜线圈231。此外，薄膜磁头具有比记录间隙膜241更远离ABS的部分的尺寸大于主磁极膜211的上磁轭磁极膜212，并且该上磁轭磁极膜 212接合到靠近薄膜线圈231的主磁极膜211的侧面。在上磁轭磁极膜212中，ABS侧的端部沿着与ABS隔开的方向缩回，根据从主磁极膜211的表面测量的膜厚度增加。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2006302489A Thin film magnetic head for perpendicular magnetic recording, and its manufacturing method 审中-公开
标题翻译：薄膜磁性磁头用于全频磁记录及其制造方法
公开(公告)号：JP2006302489A
公开(公告)日：2006-11-02
申请号：JP2006000954
申请日：2006-01-05
申请人： Headway Technol Inc , Shinka Jitsugyo Kk , ヘッドウェイ・テクノロジーズ・インコーポレーテッドHeadway Technologies,Inc. , 新科實業有限公司SAE Magnetics(H.K.)Ltd.
发明人： SASAKI YOSHITAKA , KAMIKAMA TAKEHIRO , SHIMIZU TATSUJI
IPC分类号： G11B5/31
CPC分类号： G11B5/1278 , G11B5/3116 , G11B5/3163
摘要： PROBLEM TO BE SOLVED: To provide a thin film magnetic head and the like which can prevent a pole erasure phenomenon in a perpendicular recording system.
SOLUTION: The thin film magnetic head for perpendicular magnetic recording has a coil to generate a magnetic field, and a main pole layer to make perpendicular recording by using the magnetic field generated by the above coil. The lower surface seen from the film growing direction at the side end of the surface facing the medium of the main magnetic pole is odd-shaped.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够防止垂直记录系统中的磁极擦除现象的薄膜磁头等。解决方案：用于垂直磁记录的薄膜磁头具有产生磁场的线圈和通过使用由上述线圈产生的磁场进行垂直记录的主极层。在面向主磁极的介质的表面的侧端处从膜生长方向看的下表面是奇数形状。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2005243207A Thin film magnetic head, magnetic recording apparatus using same, and its manufacturing method 有权
标题翻译：薄膜磁头，使用其的磁记录装置及其制造方法
公开(公告)号：JP2005243207A
公开(公告)日：2005-09-08
申请号：JP2004316278
申请日：2004-10-29
申请人： Headway Technol Inc , Sae Magnetics (Hk) Ltd , エスエーイーマグネティクス(エイチ.ケー.)リミティド , ヘッドウェイ・テクノロジーズ・インコーポレーテッドHeadway Technologies,Inc.
发明人： SASAKI YOSHITAKA , KAMIKAMA TAKEHIRO
IPC分类号： G11B5/147 , G11B5/31
CPC分类号： G11B5/3116 , Y10T29/49043 , Y10T29/49044 , Y10T29/49046 , Y10T29/4906
摘要： PROBLEM TO BE SOLVED: To provide a thin film magnetic head of a high recording plane density corresponding type in which attack for a coil can be prevented even if deep trimming is performed for a lower part pole part, while a sufficient O/W property can be secured, and to provide a magnetic recording apparatus, and its manufacturing method. SOLUTION: In a write-in element 2 in the thin film magnetic head, a first pole part P1 has a part to be trimmed having reduced width being adjusted to width of a second pole part at a position of a medium opposing plane side opposing to a second pole part P2, the second pole part has width reduced toward the medium opposing plane side, the first pole part has an extended part so that a plane of an opposing side of the second pole part in a coil is covered. When it is manufactured, the prescribed constitution part of the first pole part is extended and formed so that an upper plane of the coil is covered, thus trimming is performed by adjusting the first pole part to width of the second pole part. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种高记录平面密度相应类型的薄膜磁头，其中即使对下部磁极部分进行深度修整，也可以防止对线圈的攻击，同时具有足够的O / 可以确保W特性，并提供磁记录装置及其制造方法。解决方案：在薄膜磁头中的写入元件2中，第一极部分P1具有在中间相对平面的位置处被调整为具有减小的宽度的部分以被调整到第二极部的宽度与第二极部分P2相对的第二极部的第二极部的宽度相对于平面侧的宽度减小，第一极部具有延伸部，使得线圈中的第二极部的相对侧的平面被覆盖。当制造时，第一极部的规定构成部分被延伸并形成为使得线圈的上平面被覆盖，因此通过将第一极部分与第二极部分的宽度调节来进行修整。版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JP2007004958A Thin-film magnetic head for perpendicular magnetic recording 审中-公开
标题翻译：薄膜磁头用于磁性记录
公开(公告)号：JP2007004958A
公开(公告)日：2007-01-11
申请号：JP2006000955
申请日：2006-01-05
申请人： Headway Technol Inc , Shinka Jitsugyo Kk , ヘッドウェイ・テクノロジーズ・インコーポレーテッドHeadway Technologies,Inc. , 新科實業有限公司SAE Magnetics(H.K.)Ltd.
发明人： SASAKI YOSHITAKA , ITO HIROYUKI , KAMIKAMA TAKEHIRO , SHIMIZU TATSUJI
IPC分类号： G11B5/31
CPC分类号： G11B5/1278 , G11B5/11
摘要： PROBLEM TO BE SOLVED: To provide a perpendicular magnetic recording thin-film magnetic head equipped with a structure capable of improving overwrite characteristics.
SOLUTION: This thin-film magnetic head is provided with a coil, a main magnetic pole layer for performing perpendicular recording, a write shield layer, and a write gap layer. The main magnetic pole layer has a main pole film portion and a yoke pole film portion. The write shield layer has a first shield film portion for deciding a throat height, and the thickness of the first shield film portion is smaller than that of the yoke pole film portion.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有能够改善覆盖特性的结构的垂直磁记录薄膜磁头。
解决方案：该薄膜磁头设置有线圈，用于执行垂直记录的主磁极层，写入屏蔽层和写入间隙层。主磁极层具有主极膜部分和轭极膜部分。写屏蔽层具有用于决定喉部高度的第一屏蔽膜部分，并且第一屏蔽膜部分的厚度小于磁轭膜部分的厚度。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2005116090A Thin-film magnetic head, magnetic recording device using the same, and manufacturing method thereof 审中-公开
标题翻译：薄膜磁头，使用该磁头的磁记录装置及其制造方法
公开(公告)号：JP2005116090A
公开(公告)日：2005-04-28
申请号：JP2003350587
申请日：2003-10-09
申请人： Headway Technol Inc , Sae Magnetics (Hk) Ltd , エスエーイーマグネティクス(エイチ.ケー.)リミティド , ヘッドウェイ・テクノロジーズ・インコーポレーテッドHeadway Technologies,Inc.
发明人： SASAKI YOSHITAKA , KAMIKAMA TAKEHIRO , ITO HIROYUKI , ISHIZAKI KAZUO , TANEMURA SHIGEKI , ARAKI HIRONORI
IPC分类号： G11B5/31
CPC分类号： G11B5/3116 , G11B5/3123 , G11B5/3163
摘要： PROBLEM TO BE SOLVED: To provide a thin-film magnetic head that copes with high recording aerial density of at least 100 (Gb/p), ensures sufficient overwrite characteristics even though a track width is narrow, and also copes with a high frequency having a yoke length of 5.5 μm or smaller, and also to provide a magnetic recording device thereof and a method for manufacturing the magnetic recording device. SOLUTION: A second yoke section (a third magnetic film) 222 positioned at an upper portion includes: a wide portion 223; a narrow portion 224; and a inclined flare section 225. The wide portion 223 has a flat surface and is connected to a first magnetic film 211 by back gap sections 216-218 at the back side with a medium facing surface as a reference. The narrow portion 224 composes a second pole section and has a surface existing at a position that is lower than the surface of the wide portion 223. The inclined flare section 225 continues to incline toward the surface of the wide portion 223 from the surface of the narrow portion 224, and the width of the inclined flare portion 225 is gradually increased. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种能够处理至少100（Gb / p）的高记录空中密度的薄膜磁头，即使轨道宽度窄，也能确保足够的重写特性，并且还可以应付磁轭长度为5.5μm以下的高频，以及磁记录装置以及磁记录装置的制造方法。位于上部的第二磁轭部（第三磁性膜）222包括：宽部223; 狭窄部分224; 和倾斜的扩口部分225.宽部分223具有平坦表面，并且通过后侧的后间隙部分216-218以介质面向表面作为基准连接到第一磁性膜211。窄部分224构成第二极部分，并且具有存在于比宽部分223的表面低的位置处的表面。倾斜的喇叭口部分225从宽的部分223的表面继续朝向宽部分223的表面倾斜窄部224，倾斜扩口部225的宽度逐渐增大。版权所有（C）2005，JPO＆NCIPI

8. 发明专利

JP2006302486A Thin film magnetic head and its manufacturing method 审中-公开
标题翻译：薄膜磁头及其制造方法
公开(公告)号：JP2006302486A
公开(公告)日：2006-11-02
申请号：JP2005344921
申请日：2005-11-30
申请人： Headway Technol Inc , Shinka Jitsugyo Kk , ヘッドウェイ・テクノロジーズ・インコーポレーテッドHeadway Technologies,Inc. , 新科實業有限公司SAE Magnetics(H.K.)Ltd.
发明人： SASAKI YOSHITAKA , KAMIKAMA TAKEHIRO , SHIMIZU TATSUJI
IPC分类号： G11B5/31
CPC分类号： G11B5/3116 , G11B5/3163
摘要： PROBLEM TO BE SOLVED: To provide a thin film magnetic head which has a significantly narrow track width without ATE problems and excellent in O/W properties with fast switching speed. SOLUTION: A lower pole film 212 of a writing element 2 is formed all over one surface of a lower yoke film 211 inside a trench provided on an inorganic insulation film 271. A gap film 24 and an upper pole film 221 are formed inside the trench on the lower pole film 212. It is preferable that the trench has a deposited film of inorganic material 28 on the inner walls facing the side faces of the above lower pole film 212, gap film 24 and upper pole film 221. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供具有明显窄的轨道宽度而没有ATE问题和优异的O / W特性并且具有快速切换速度的薄膜磁头。解决方案：在设置在无机绝缘膜271上的沟槽内的下磁轭膜211的整个表面上形成有写入元件2的下极膜212.形成间隙膜24和上极膜221 在下极膜212的沟槽内部。优选的是，沟槽在面向上述下极膜212，间隙膜24和上极膜221的侧面的内壁上具有无机材料28的沉积膜。 P>版权所有（C）2007，JPO＆INPIT

9. 发明专利

JP2005202999A Thin film magnetic head, magnetic recording device and its manufacturing method 有权
标题翻译：薄膜磁头，磁记录装置及其制造方法
公开(公告)号：JP2005202999A
公开(公告)日：2005-07-28
申请号：JP2004005861
申请日：2004-01-13
申请人： Headway Technol Inc , Sae Magnetics (Hk) Ltd , エスエーイーマグネティクス(エイチ.ケー.)リミティド , ヘッドウェイ・テクノロジーズ・インコーポレーテッドHeadway Technologies,Inc.
发明人： SASAKI YOSHITAKA , ISHIZAKI KAZUO , KAMIKAMA TAKEHIRO
IPC分类号： G11B5/31
摘要： PROBLEM TO BE SOLVED: To provide a thin film magnetic head and a magnetic recording device in which a calorific value is made to be reduced by reducing resistance values of coils and a high frequency characteristic is improved by shortening yoke length and moreover unbalanced polishing of an ABS(air bearing surface) is avoided. SOLUTION: In a write-in element 2, lower part coils 231, 232 are turned around back gap parts 216 to 226 in spiral form within the height of a lower part pole P1. Upper part coils 233, 234 are arranged above the lower part coils 231, 232 utilizing the height of an upper part pole P2 which is measured on the basis of one surface of an upper part yoke 224 and are turned around the back gap parts 216 to 226 in spiral form. A gap film 24 is located in the middle of pole length which is determined by the height of the lower part pole P1 and the height of the upper part pole P2. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种薄膜磁头和磁记录装置，其中通过降低线圈的电阻值来降低发热量，并且通过缩短磁轭长度以及不平衡来提高高频特性避免ABS（空气支承面）的抛光。解决方案：在写入元件2中，下部线圈231,232在下部极点P1的高度内绕螺旋形的后部间隙部分216至226转动。上部线圈233,234利用上部极P2的高度设置在下部线圈231,232的上方，上部极P2基于上部磁轭224的一个表面测量并围绕后部间隙部分216转动到 226螺旋形式。间隙胶片24位于由下部磁极P1的高度和上部磁极P2的高度决定的磁极长度的中间。版权所有（C）2005，JPO＆NCIPI

10. 发明专利

JP2005122818A Thin film magnetic head, magnetic recording device using same, and its manufacturing method 审中-公开
标题翻译：薄膜磁头，使用其的磁记录装置及其制造方法
公开(公告)号：JP2005122818A
公开(公告)日：2005-05-12
申请号：JP2003356282
申请日：2003-10-16
申请人： Headway Technol Inc , Sae Magnetics (Hk) Ltd , エスエーイーマグネティクス(エイチ.ケー.)リミティド , ヘッドウェイ・テクノロジーズ・インコーポレーテッドHeadway Technologies,Inc.
发明人： SASAKI YOSHITAKA , KAMIKAMA TAKEHIRO
IPC分类号： G11B5/31 , G11B5/147 , G11B5/187 , H01F10/16 , H01F10/32 , H01F41/18
CPC分类号： G11B5/3136 , G11B5/1877
摘要： PROBLEM TO BE SOLVED: To provide a thin film magnetic head corresponding to high frequency which is adaptive to high recording plane density of ≥100(Gb/p) and secures a sufficient overwriting property though it has narrow track width, and which has yoke length of ≤5.5 μm, and provide a magnetic recording device and its manufacturing method. SOLUTION: A first pole part P1 is projected on one plane of a first pole part 211 in a medium opposing plane side, and an upper end has a reduced width. A second pole part 2 is opposed to the upper end of the first pole part P1 through a gap film 24 with the same width. In the first pole part P1, a magnetic film 214 being adjacent to the gap film 24 is etched while matching the width of the second pole part P2 in both sides of a width direction, residual parts S1, S2 of the magnetic film 214 exist at a bottom part of a recessed part caused by etching, film thickness of the residual parts S1, S2 are increased as approaching to a root part od the first pole part P1. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种适用于高记录平面密度≥100（Gb / p）的高频对应的薄膜磁头，并且确保了具有窄轨道宽度的足够的重写特性，以及哪些磁轭长度≤5.5μm，并提供磁记录装置及其制造方法。解决方案：第一极部分P1突出在介质相对平面侧的第一极部分211的一个平面上，并且上端具有减小的宽度。第二极部分2通过具有相同宽度的间隙膜24与第一极部分P1的上端相对。在第一极部分P1中，与宽度方向两侧的第二极部分P2的宽度相匹配地蚀刻邻近间隙膜24的磁性膜214，磁性膜214的残留部分S1，S2存在于通过蚀刻引起的凹部的底部，残留部S1，S2的膜厚随着接近第一极部P1的根部而增加。版权所有（C）2005，JPO＆NCIPI

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