公开(公告)号：US06768611B2

公开(公告)日：2004-07-27

申请号：US09802287

申请日：2001-03-08

申请人： Kiyoshi Sato ,  Toshinori Watanabe ,  Hideki Gochou ,  Kiyoshi Kobayashi ,  Toru Takahashi ,  Hisayuki Yazawa ,  Masaki Ikegami

发明人： Kiyoshi Sato ,  Toshinori Watanabe ,  Hideki Gochou ,  Kiyoshi Kobayashi ,  Toru Takahashi ,  Hisayuki Yazawa ,  Masaki Ikegami

IPC分类号： G11B5127

CPC分类号： G11B5/312 ,  G11B5/3116 ,  G11B5/3967

摘要： In a thin film magnetic head, a face surface faces a recording medium and a front surface of an upper core layer is a curved surface which gradually retreats in a height direction generally perpendicular to the face surface as it approaches both sides thereof, and the thickness of the upper core layer gradually increases in the height direction. It is thus possible to appropriately suppress the occurrence of side fringing, efficiently cause a magnetic flux to flow from the upper core layer to an upper pole layer, and make the thin film magnetic head adaptable to a higher recording density.

摘要翻译： 在薄膜磁头中，表面面向记录介质，上芯层的前表面是曲面，当曲面接近其两侧时，其大致垂直于表面的高度方向逐渐退缩，并且厚度 的上芯层在高度方向上逐渐增加。 因此，可以适当地抑制侧边缘的发生，有效地使磁通从上芯层流到上极层，并使薄膜磁头适应于更高的记录密度。

公开(公告)号：US07889457B2

公开(公告)日：2011-02-15

申请号：US11611473

申请日：2006-12-15

申请人： Hisayuki Yazawa ,  Toshinori Watanabe

发明人： Hisayuki Yazawa ,  Toshinori Watanabe

IPC分类号： G11B5/147 ,  G11B5/187

CPC分类号： G11B5/3163 ,  G11B5/1278 ,  G11B5/3113 ,  G11B5/3116 ,  G11B5/3146

摘要： There is provided a perpendicular magnetic recording head device which can increase magnetic field gradient to exhibit excellent recording performance while maintaining magnetic field intensity capable of performing information recording well. In a perpendicular magnetic recording head device composed of a main magnetic pole layer and a return path layer which are laminated with a nonmagnetic insulating layer therebetween, the return path layer has a two-layer structure composed of a low saturation magnetic flux density layer (low Bs layer), and a high saturation magnetic flux density layer (high Bs layer) formed an the low Bs layer and made of a material that has a relatively high saturation magnetic flux density. In a front end surface of the return path layer, the low Bs layer and the high Bs layer are exposed.

摘要翻译： 提供了一种垂直磁记录头装置，其可以增加磁场梯度以表现出优异的记录性能，同时保持能够良好地执行信息记录的磁场强度。 在由主磁极层和返回路径层构成的​​垂直磁记录头装置之间层叠有非磁性绝缘层，返回路径层具有由低饱和磁通密度层（低 Bs层）和高饱和磁通密度层（高Bs层）形成低B层，并由具有相对较高饱和磁通密度的材料制成。 在返回路径层的前端表面中露出低Bs层和高Bs层。

公开(公告)号：US20080058441A1

公开(公告)日：2008-03-06

申请号：US10582154

申请日：2004-12-10

申请人： Toshinori Watanabe ,  Takuya Ogawa ,  Kasumi Takeuchi ,  Makoto Yoshitake ,  Shedric O. Glover ,  Mary Kay Tomalia

发明人： Toshinori Watanabe ,  Takuya Ogawa ,  Kasumi Takeuchi ,  Makoto Yoshitake ,  Shedric O. Glover ,  Mary Kay Tomalia

IPC分类号： C08G77/14 ,  C09D183/06

CPC分类号： C08L83/06 ,  C08L2666/28

摘要： The present invention relates to an active energy ray-curable organopolysiloxane resin composition that comprises an organopolysiloxane resin having an epoxy group and an aromatic hydrocarbon group and a photopolymerization initiator, as well as to a light-transmitting component that comprises cured bodies produced by irradiating the aforementioned organopolysiloxane resin with active-energy rays in the presence of the aforementioned photopolymerization initiator, and to a method for manufacturing the aforementioned light-transmitting component.

摘要翻译： 本发明涉及包含具有环氧基和芳族烃基的有机聚硅氧烷树脂和光聚合引发剂的活性能量射线固化型有机聚硅氧烷树脂组合物，以及包含通过照射 在上述光聚合引发剂的存在下，具有活性能量射线的上述有机聚硅氧烷树脂，以及上述光透射性成分的制造方法。

公开(公告)号：US07337525B2

公开(公告)日：2008-03-04

申请号：US11734131

申请日：2007-04-11

申请人： Toshiaki Ueda ,  Yoshimi Mori ,  Masaki Okamura ,  Sakae Ishida ,  Toshinori Watanabe

发明人： Toshiaki Ueda ,  Yoshimi Mori ,  Masaki Okamura ,  Sakae Ishida ,  Toshinori Watanabe

IPC分类号： H02K15/085 ,  H02K15/06 ,  H02K15/04

CPC分类号： H02K15/0037 ,  H02K15/0478 ,  H02K15/066 ,  Y10T29/49009

摘要： An electric rotating machine has a rotor having N and S poles and includes a stator with an annular stator core and slots. Multiple-phase stator windings are embedded in the slots, and are formed by winding continuous wires such that straight parts of the stator windings pressed in a flat shape are wound in rings around a grooved cylindrical member. The cylindrical member is inserted into a bore defined by the annular stator core so that the grooves of the cylindrical member are arranged opposite to the slots. The sets of the windings are folded back alternately outside the slots of the stator core and are wound so the sets of the windings are embedded alternately in the direction of the depth of the slots. Leading and trailing ends of the continuous wires are superposed after being wound at least one turn around the circumferentially arranged slots of the stator.

摘要翻译： 旋转电机具有N极和S极的转子，并且包括具有环形定子芯和槽的定子。 多相定子绕组嵌入在槽中，并且通过缠绕连续的导线形成，使得被压制成扁平形状的定子绕组的直线部分围绕带槽的圆柱形构件缠绕在环中。 将圆柱形构件插入到由环形定子芯限定的孔中，使得圆柱形构件的槽布置成与槽相对。 绕组的组合被交替地折叠在定子芯的槽的外侧，并且被卷绕，使得绕组的组在槽的深度方向上交替地嵌入。 在围绕定子的周向布置的狭缝缠绕至少一圈之后，连续线的前端和后端重叠。

公开(公告)号：US20070180682A1

公开(公告)日：2007-08-09

申请号：US11734131

申请日：2007-04-11

申请人： Toshiaki Ueda ,  Yoshimi Mori ,  Masaki Okamura ,  Sakae Ishida ,  Toshinori Watanabe

发明人： Toshiaki Ueda ,  Yoshimi Mori ,  Masaki Okamura ,  Sakae Ishida ,  Toshinori Watanabe

IPC分类号： H02K3/00 ,  H02K15/00

CPC分类号： H02K15/0037 ,  H02K15/0478 ,  H02K15/066 ,  Y10T29/49009

摘要： An electric rotating machine has a rotor having N and S poles and includes a stator with an annular stator core and slots. Multiple-phase stator windings are embedded in the slots, and are formed by winding continuous wires such that straight parts of the stator windings pressed in a flat shape are wound in rings around a grooved cylindrical member. The cylindrical member is inserted into a bore defined by the annular stator core so that the grooves of the cylindrical member are arranged opposite to the slots. The sets of the windings are folded back alternately outside the slots of the stator core and are wound so the sets of the windings are embedded alternately in the direction of the depth of the slots. Leading and trailing ends of the continuous wires are superposed after being wound at least one turn around the circumferentially arranged slots of the stator.

摘要翻译： 旋转电机具有N极和S极的转子，并且包括具有环形定子芯和槽的定子。 多相定子绕组嵌入在槽中，并且通过缠绕连续的导线形成，使得被压制成扁平形状的定子绕组的直线部分围绕带槽的圆柱形构件缠绕在环中。 将圆柱形构件插入到由环形定子芯限定的孔中，使得圆柱形构件的槽布置成与槽相对。 绕组的组合被交替地折叠在定子芯的槽的外侧，并且被卷绕，使得绕组的组在槽的深度方向上交替地嵌入。 在围绕定子的周向布置的狭缝缠绕至少一圈之后，连续线的前端和后端重叠。

公开(公告)号：US07215512B2

公开(公告)日：2007-05-08

申请号：US10912651

申请日：2004-08-05

申请人： Hisayuki Yazawa ,  Toshinori Watanabe

发明人： Hisayuki Yazawa ,  Toshinori Watanabe

IPC分类号： G11B5/31

CPC分类号： G11B5/31

摘要： A thin-film magnetic head includes a magnetic pole, a magnetic circuit unit separate from the magnetic pole, and a coil layer. The magnetic pole has a predetermined shape in which the width of the bottom surface of an upper magnetic pole layer is larger than the width of the top surface of a lower magnetic pole layer. The core layer is disposed at the back in the height direction of the magnetic pole.

摘要翻译： 薄膜磁头包括磁极，与磁极分离的磁路单元和线圈层。 磁极具有预定形状，其中上磁极层的底表面的宽度大于下磁极层的顶表面的宽度。 芯层设置在磁极的高度方向的后方。

公开(公告)号：US06466403B1

公开(公告)日：2002-10-15

申请号：US09532750

申请日：2000-03-22

申请人： Kiyoshi Sato ,  Toshihiro Kuriyama ,  Toshinori Watanabe

发明人： Kiyoshi Sato ,  Toshihiro Kuriyama ,  Toshinori Watanabe

IPC分类号： G11B5147

CPC分类号： G11B5/3967 ,  G11B5/3116 ,  G11B5/313

摘要： The present invention provides a thin film magnetic head having a recording track width of 1 &mgr;m or less, and a method for manufacturing the thin film magnetic head having a recording track width of 1 &mgr;m or less. In the thin film magnetic head, an upper core layer and a lower core layer extend from a back region toward a magnetic pole tip region, and are exposed at a medium opposing surface, and a gap layer is provided, in the magnetic pole tip region, between the upper core layer and the lower core layer. An insulation layer is deposited on the lower core layer, and a groove that extends from the medium opposing surface toward the back region is provided in the magnetic pole tip region of the insulation layer. A lower magnetic pole layer, the gap layer, and an upper magnetic pole layer are deposited in the groove. The lower magnetic pole layer is joined to the lower core layer, while the upper magnetic pole layer is joined to the upper core layer.

摘要翻译： 本发明提供一种具有1um或更小的记录磁道宽度的薄膜磁头，以及一种具有1μm或更小的记录磁道宽度的薄膜磁头的制造方法。 在薄膜磁头中，上芯层和下芯层从背部区域朝向磁极尖端区域延伸，并且在介质相对表面处露出，并且在磁极尖端区域中设置间隙层 ，在上芯层和下芯层之间。 绝缘层沉积在下芯层上，并且在绝缘层的磁极尖端区域中设置从介质相对表面朝向后部区域延伸的槽。 凹槽中沉积下磁极层，间隙层和上磁极层。 下磁极层接合到下芯层，而上磁极层与上芯层接合。

公开(公告)号：USRE37819E1

公开(公告)日：2002-08-13

申请号：US09482696

申请日：2000-01-18

申请人： Masamichi Saito ,  Toshinori Watanabe ,  Toshihiro Kuriyama

发明人： Masamichi Saito ,  Toshinori Watanabe ,  Toshihiro Kuriyama

IPC分类号： G11B539

CPC分类号： B82Y25/00 ,  B82Y10/00 ,  G11B5/3116 ,  G11B5/3163 ,  G11B5/3903 ,  G11B5/3906 ,  G11B5/3932 ,  G11B2005/3996 ,  Y10T29/49044

摘要： The present invention provides a magnetoresistive head wherein: a magnetoresistive film is created in a read-track region at the center of the magnetoresistive head; an antiferromagnetic film and a ferromagnetic film experiencing an exchange coupling magnetic field due to direct contact with the antiferromagnetic film are created on each end of the magnetoresistive film outside the read-track region in such a way that the ferromagnetic film is located beside the magnetoresistive film; a nonmagnetic intermediate film is created between the magnetoresistive film and the ferromagnetic film for preventing ferromagnetic coupling from being developed on a contact boundary surface between the magnetoresistive film and the ferromagnetic film and for making crystal orientations of the antiferromagnetic film and the ferromagnetic film uniform; and bias magnetization is applied to the magnetoresistive film by exchange coupling between the antiferromagnetic film and the ferromagnetic film.

摘要翻译： 本发明提供了一种磁阻头，其中：在磁阻头的中心处的读磁道区域中产生磁阻膜; 在磁轨膜区域的外侧的磁阻膜的两端形成反铁磁膜和由于与反铁磁性膜直接接触而产生交换耦合磁场的铁磁性膜，使铁磁膜位于磁阻膜旁边 ; 在磁阻膜和铁磁膜之间形成非磁性中间膜，用于防止铁磁耦合在磁阻膜和铁磁膜之间的接触边界面上显影，并使反铁磁膜和铁磁膜的晶体取向均匀; 并且通过反铁磁膜和铁磁性膜之间的交换耦合将偏磁化施加到磁阻膜。

公开(公告)号：US06352621B1

公开(公告)日：2002-03-05

申请号：US09640971

申请日：2000-08-17

申请人： Masamichi Saito ,  Toshinori Watanabe

发明人： Masamichi Saito ,  Toshinori Watanabe

IPC分类号： C23C1435

CPC分类号： B82Y25/00 ,  B82Y10/00 ,  G01R33/093 ,  G11B5/3163 ,  G11B5/3903 ,  G11B5/3948 ,  G11B2005/3996 ,  G11C11/16 ,  H01F10/3263 ,  H01F10/3268 ,  H01L43/08 ,  H01L43/12

摘要： PtMn films are used as antiferromagnetic layers of a dual spin-valve type magnetoresistive sensor. An exchange anisotropic magnetic field is achieved regardless of whether the PtMn film is formed over or under the pinned magnetic layer. Also, an effective exchange anisotropic magnetic field is produced even with heat treatment at a relatively low temperature. Alternatively, a PtMn film is used as an antiferromagnetic layer of a spin-valve film laminate. The use of a PtMn film enables a sufficient exchange anisotropic magnetic field to be produced even with a relatively low heat treatment temperature and a relatively small film thickness. Therefore, the number of total layers of the spin-valve film laminate can be increased to increase a magnetoresistance ratio, and a total thickness of the spin-valve film laminate can be made relatively small.

摘要翻译： PtMn膜用作双自旋阀型磁阻传感器的反铁磁层。 无论PtMn膜是否形成在被钉扎的磁性层之上或之下，都实现了交换各向异性磁场。 此外，即使在相对低的温度下进行热处理，也产生有效的交换各向异性磁场。 或者，使用PtMn膜作为自旋阀膜层叠体的反铁磁层。 使用PtMn膜即使在相对低的热处理温度和相对较小的膜厚度下也能够产生充分的交换各向异性磁场。 因此，可以增加自旋阀膜层压体的总层数以增加磁阻比，并且可以使自旋阀膜层叠体的总厚度相对较小。

公开(公告)号：US06274256B1

公开(公告)日：2001-08-14

申请号：US09241349

申请日：1999-02-01

申请人： Toshinori Watanabe ,  Atsushi Sato ,  Akira Takahashi

发明人： Toshinori Watanabe ,  Atsushi Sato ,  Akira Takahashi

IPC分类号： G11B566

CPC分类号： G11B5/3967 ,  G11B5/3109 ,  G11B5/3116 ,  Y10S428/90 ,  Y10T428/1171

摘要： A product (S×Bs) of a cross-sectional area of a tip portion of an upper core layer (S) (a thickness of a layer d1 by a track width Tw) and a saturation magnetic flux density thereof (Bs) is in a range of 1.5 to 10.5 &mgr;m2·T, and preferably in a range of 4.0 to 8.0 &mgr;m2·T. Further, a magnetic pole straight length L1 ranges from 3.5 to 7.6 &mgr;M. Thus, excellent NLTS and OW characteristics can be simultaneously obtained.

摘要翻译： 上芯层（S）的尖端部分（层d1的厚度，轨道宽度Tw）和其饱和磁通密度（Bs）的截面积的乘积（SxBs）在一个范围内 为1.5〜10.5mum2.T，优选为4.0〜8.0m2。 此外，磁极直线长度L1在3.5至7.6μm的范围内。 因此，可以同时获得优异的NLTS和OW特性。