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    Grain-oriented electrical steel sheets having excellent magnetic characteristics, its manufacturing method and its manufacturing device
    1.
    发明授权
    Grain-oriented electrical steel sheets having excellent magnetic characteristics, its manufacturing method and its manufacturing device 有权
    具有优异磁特性的晶粒取向电工钢板及其制造方法及其制造装置

    公开(公告)号：US06368424B1

    公开(公告)日：2002-04-09

    申请号：US09125574

    申请日：1998-08-20

    申请人： Tatsuhiko Sakai ,  Naoya Hamada ,  Katsuhiro Minamida ,  Kimihiko Sugiyama ,  Akira Sakaida ,  Hisashi Mogi

    发明人： Tatsuhiko Sakai ,  Naoya Hamada ,  Katsuhiro Minamida ,  Kimihiko Sugiyama ,  Akira Sakaida ,  Hisashi Mogi

    IPC分类号： H01F104

    CPC分类号： H01F1/16 ,  C21D8/1294

    摘要： A grain-oriented electrical steel sheet with improved magnetic properties is achieved by a reduced 180° C. magnetic wall spacing with pulse laser light irradiation. The rolling direction width of the periodic closure domain generated by laser irradiation is no greater than 150 &mgr;m. The depth of the periodic closure domain in the direction of the steel sheet thickness is at least 30 &mgr;m. The product of the length of the periodic closure domain in the rolling direction width direction multiplied by the length of the depth of the periodic closure domain in the direction of the steel sheet thickness is at least 4500 &mgr;m2. The magnetostriction with materials of 0.23 mm sheet thickness (&lgr;19 p-p compression) is no greater than 0.9×10−6, and magnetostriction with materials of 0.27 mm sheet thickness (&lgr;19 p-p compression) is no greater than 1.3×10−6.

    摘要翻译： 具有改善磁性能的晶粒取向电工钢板通过脉冲激光照射减少180°C的磁壁间距来实现。 通过激光照射产生的周期闭合域的轧制方向宽度不大于150μm。 在钢板厚度方向上的周期性闭合区域的深度至少为30μm。 在轧制方向宽度方向上的周期性闭合区域的长度乘以周期性闭合区域在钢板厚度方向上的深度的长度的乘积至少为4500mum2。 材料厚度为0.23 mm（lambd19 p-p压缩）的磁致伸缩不大于0.9x10-6，而厚度为0.27 mm（lambd19 p-p压缩）的材料的磁致伸缩系数不大于1.3×10-6。

    Magnetic Shield Structure Having Openings and a Magnetic Material Frame Therefor
    5.
    发明申请
    Magnetic Shield Structure Having Openings and a Magnetic Material Frame Therefor 失效
    具有开口的磁屏蔽结构和磁性材料框架

    公开(公告)号：US20070272369A1

    公开(公告)日：2007-11-29

    申请号：US10549069

    申请日：2004-03-16

    申请人： Takeshi Saito ,  Masanori Karikomi ,  Masanori Niwa ,  Hiroshi Ishikawa ,  Satoru Miura ,  Masahiro Fujikura ,  Akira Sakaida ,  Yoneo Yamada ,  Kentaro Chikuma

    发明人： Takeshi Saito ,  Masanori Karikomi ,  Masanori Niwa ,  Hiroshi Ishikawa ,  Satoru Miura ,  Masahiro Fujikura ,  Akira Sakaida ,  Yoneo Yamada ,  Kentaro Chikuma

    IPC分类号： E06B9/00

    CPC分类号： G01R33/0047 ,  G01R33/421 ,  H01F27/365

    摘要： A magnetic shield structure having openings, the structure comprising a plurality of similar magnetic blind bodies 2, each blind body 2 having an imaginary blind core plane F and a plurality of magnetic material slats 1 being spaced from each other by a distance d required for magnetic shielding, each slat 1 intersecting the blind core plane F at a longitudinal central axis C thereof, the longitudinal central axes of the slats are oriented substantially in parallel to each other on the blind core plane F. The blind bodies 2a, 2b are coupled in a row by serially coupling each slat 1 in each blind body 2a to a corresponding slat 1 of adjacent blind body 2b through overlapping or abutting of slat terminal portions, whereby the blind core planes Fa, Fb of the blind bodies 2a, 2b are so coupled as to define a successive magnetic shield plane, and spaces d between adjacent slats 1 in each blind body 2a, 2b form openings in the magnetic shield structure. Preferably, three or more magnetic blind bodies 2 are coupled in a row so as to form a closed magnetic path. The blind bodies 2a, 2b may be stacked side by side in such a manner that the blind core plane Fa, Fb are parallel to each other and orientation of the slat central axes in each blind body 2a, 2b being selected so as to optimize attenuation of magnetic field across the magnetic shield structure.

    摘要翻译： 具有开口的磁屏蔽结构，该结构包括多个类似的磁性盲体2，每个盲体2具有假想的盲核平面F和多个磁性材料板条1彼此间隔开磁带所需的距离d 每个板条1在其纵向中心轴线C处与盲芯平面F相交，板条的纵向中心轴线在盲芯平面F上基本上彼此平行地定向。盲体2a，2b是 通过将每个盲体2a中的每个板条1通过板条端部的重叠或抵接将每个盲体2a中的每个板条1串联连接到相邻的盲体2b的相应的板条1，从而连续地连接，由此盲目体2a的盲核平面Fa，Fb ，2b耦合以限定连续的磁屏蔽平面，并且每个盲体2a，2b中的相邻板条1之间的空间d在磁屏蔽结构中形成开口。 优选地，三个或更多个磁性盲体2被一行地联接以形成闭合的磁路。 盲体2a，2b可以以盲核心平面Fa，Fb彼此平行的方式并排堆叠，并且每个盲体2a，2b中的板条中心轴的取向被选择为 以优化磁屏蔽结构的磁场衰减。

    Magnetic shield structure having openings and a magnetic material frame therefor
    6.
    发明授权
    Magnetic shield structure having openings and a magnetic material frame therefor 失效
    具有开口的磁屏蔽结构和用于其的磁性材料框架

    公开(公告)号：US07964803B2

    公开(公告)日：2011-06-21

    申请号：US10549069

    申请日：2004-03-16

    申请人： Takeshi Saito ,  Masanori Karikomi ,  Masanori Niwa ,  Hiroshi Ishikawa ,  Satoru Miura ,  Masahiro Fujikura ,  Akira Sakaida ,  Yoneo Yamada ,  Kentaro Chikuma

    发明人： Takeshi Saito ,  Masanori Karikomi ,  Masanori Niwa ,  Hiroshi Ishikawa ,  Satoru Miura ,  Masahiro Fujikura ,  Akira Sakaida ,  Yoneo Yamada ,  Kentaro Chikuma

    IPC分类号： H05K9/00

    CPC分类号： G01R33/0047 ,  G01R33/421 ,  H01F27/365

    摘要： A magnetic shield structure having openings, the structure comprising a plurality of similar magnetic blind bodies 2, each blind body 2 having an imaginary blind core plane F and a plurality of magnetic material slats 1 being spaced from each other by a distance d required for magnetic shielding, each slat 1 intersecting the blind core plane F at a longitudinal central axis C thereof, the longitudinal central axes of the slats are oriented substantially in parallel to each other on the blind core plane F. The blind bodies 2a, 2b are coupled in a row by serially coupling each slat 1 in each blind body 2a to a corresponding slat 1 of adjacent blind body 2b through overlapping or abutting of slat terminal portions, whereby the blind core planes Fa, Fb of the blind bodies 2a, 2b are so coupled as to define a successive magnetic shield plane, and spaces d between adjacent slats 1 in each blind body 2a, 2b form openings in the magnetic shield structure. Preferably, three or more magnetic blind bodies 2 are coupled in a row so as to form a closed magnetic path. The blind bodies 2a, 2b may be stacked side by side in such a manner that the blind core plane Fa, Fb are parallel to each other and orientation of the slat central axes in each blind body 2a, 2b being selected so as to optimize attenuation of magnetic field across the magnetic shield structure.

    摘要翻译： 具有开口的磁屏蔽结构，该结构包括多个类似的磁性盲体2，每个盲体2具有假想的盲核平面F和多个磁性材料板条1彼此间隔开磁带所需的距离d 每个板条1在其纵向中心轴线C处与盲芯平面F相交，板条的纵向中心轴线基本上在盲芯平面F上彼此平行地定向。盲体2a，2b联接在 通过每个盲体2a中的每个板条1通过板条端部的重叠或邻接将每个盲体2a中的每个板条1串联连接到相邻的盲体2b的相应板条1，由此盲体2a，2b的盲芯平面Fa，Fb如此耦合 为了限定连续的磁屏蔽平面，并且每个盲体2a，2b中的相邻板条1之间的间隔d在磁屏蔽结构中形成开口。 优选地，三个或更多个磁性盲体2被一行地联接以形成闭合的磁路。 盲体2a，2b可以以盲核心平面Fa，Fb彼此平行的方式并排堆叠，并且选择每个盲体2a，2b中的板条中心轴的取向以优化衰减 的磁场横跨磁屏蔽结构。

    Process for box annealing a steel strip coil
    7.
    发明授权
    Process for box annealing a steel strip coil 失效
    钢带卷材退火方法

    公开(公告)号：US4290829A

    公开(公告)日：1981-09-22

    申请号：US153673

    申请日：1980-05-27

    申请人： Hiromichi Koshiishi ,  Kunio Mori ,  Hiroshi Sato ,  Akira Sakaida

    发明人： Hiromichi Koshiishi ,  Kunio Mori ,  Hiroshi Sato ,  Akira Sakaida

    IPC分类号： B21C47/26 ,  C21D1/26 ,  C21D9/52 ,  C21D9/54 ,  C21D9/66 ,  C21D9/663

    CPC分类号： C21D9/52 ,  C21D9/54 ,  C21D9/66

    摘要： A box annealed steel strip having small strains is produced by: pretreating a steel strip in such a manner that a side edge portion thereof is thermally treated under a different condition from another condition under which the remaining portion, including an opposite side edge, thereof is thermally treated, so as to cause the longitudinal length of the side edge portion to be different from that of the remaining portion; winding the pretreated steel strip under tension to form a coil in such a manner that greater tensile stresses are produced in the other one of the side edge portion and the remaining portion, which one has a longitudinal length smaller than that of the other one, than those produced in the other one; placing the coil on a base plate so that a side edge included in the portion having the greater stresses comes into contact with the base plate, and; box annealing the coil on the base plate in a box annealing furnace.

    摘要翻译： 通过以下方式制造具有小应变的盒式退火钢带：使钢条的侧边缘部分在不同条件下进行热处理，其中包括其相对侧边缘的剩余部分为 热处理，以使侧边缘部分的纵向长度与其余部分不同; 将预处理的钢带卷绕在张力下以形成线圈，使得在侧边缘部分和剩余部分中的另一个中产生较大的拉伸应力，其中纵向长度小于另一个的纵向长度 另一方生产的; 将线圈放置在基板上，使得包含在具有较大应力的部分中的侧边缘与基板接触; 在盒式退火炉中对基板上的线圈进行退火。