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1. 发明申请

US20090272464A1 Grain-Oriented Electrical Sheet Superior in Watt Loss 审中-公开
标题翻译：以瓦特损耗为特征的面向电路板
公开(公告)号：US20090272464A1
公开(公告)日：2009-11-05
申请号：US12311756
申请日：2007-10-16
申请人： Hideyuki Hamamura , Keiji Iwata , Tatsuhiko Sakai
发明人： Hideyuki Hamamura , Keiji Iwata , Tatsuhiko Sakai
IPC分类号： C22C38/22
CPC分类号： C21D8/12 , C21D8/1277 , C21D8/1294 , C21D9/46 , C21D10/005 , H01F1/14716
摘要： The present invention provides grain-oriented electrical sheet more superior in watt loss compared with the past by dividing the watt loss of grain-oriented electrical sheet introducing strain by firing of a laser beam etc. into hysteresis loss and eddy current loss and, in particular from the viewpoint of the eddy current loss, quantitatively suitably controlling the distribution of the strain and residual stress in the sheet thickness direction, that is, grain-oriented electrical sheet obtained by firing a laser beam etc. to introduce lines of strain substantially perpendicular to the rolling direction uniformly in a sheet width direction and cyclically in the rolling direction for magnetic domain control, characterized in that in the two-dimensional distribution of a rolling direction compressive residual stress occurring near one location of the introduction of strain in a cross-section perpendicular to the sheet width direction, the value of the rolling direction compressive residual stress integrated in the region of the cross-section where there is compressive residual stress is within a predetermined range.
摘要翻译：本发明通过将通过激光束的烧制将晶粒取向电工片引入应变的瓦特损耗除以磁滞损耗和涡流损耗，提供了与过去相比更优于瓦特损耗的晶粒取向电工片，特别是从涡电流损耗的观点出发，定量地适当地控制片材厚度方向上的应变分布和残余应力，即通过烧制激光束等而获得的晶粒取向电工片，以将基本上垂直于轧制方向在板宽度方向上均匀地并且在轧制方向上循环地进行磁畴控制，其特征在于，在横截面中在应变应变的一个位置附近出现的轧制方向的压缩残余应力的二维分布垂直于纸张宽度方向，滚动方向的值压缩集成在具有压缩残余应力的横截面区域中的应力在预定范围内。

2. 发明授权

US09139886B2 Grain-oriented electrical steel sheet and method for producing same 有权
标题翻译：晶粒取向电工钢板及其制造方法
公开(公告)号：US09139886B2
公开(公告)日：2015-09-22
申请号：US13637587
申请日：2011-03-29
申请人： Tatsuhiko Sakai , Hideyuki Hamamura
发明人： Tatsuhiko Sakai , Hideyuki Hamamura
IPC分类号： B23K26/38 , C21D8/12 , B23K26/00 , B23K26/36 , B23K26/40
CPC分类号： C21D8/1294 , B23K26/0006 , B23K26/354 , B23K26/364 , B23K26/40 , B23K2101/35 , B23K2103/50 , C21D2201/05 , Y10T428/12389
摘要： In a method for producing a grain-oriented electrical steel sheet, grooves each having a given length and extending in a direction including a direction perpendicular to a transportation direction of the grain-oriented electrical steel sheet are formed at given intervals in the transportation direction by irradiating the surface of the grain-oriented electrical steel sheet with a laser beam while scanning the surface of the grain-oriented electrical steel sheet with the laser beam. Further, in the method for manufacturing a grain-oriented electrical steel sheet, the laser beam is a continuous-wave laser beam having a laser wavelength λ of 1.0 μm to 2.1 μm, power density Pd [W/mm2] which is obtained by dividing laser beam intensity P by a focused beam area S is 5×105 W/mm2 or more, and the power density Pd [W/mm2] and scanning speed V [mm/s] of a focused spot of the laser beam on the surface of the grain-oriented electrical steel sheet satisfy a relationship of 0.005×Pd+3000≦V≦0.005×Pd+40000.
摘要翻译：在晶粒取向电工钢板的制造方法中，沿着与方向性电磁钢板的输送方向垂直的方向具有给定长度并延伸的槽沿输送方向以给定的间隔形成，用激光束对晶粒取向电工钢板的表面进行照射，同时用激光束扫描方向性电磁钢板的表面。此外，在晶粒取向电工钢板的制造方法中，激光束是激光波长λ为1.0〜2.1μm的连续波激光，功率密度Pd [W / mm2] 聚焦光束区域S的激光束强度P为5×105W / mm 2以上，激光束的聚焦点的表面的功率密度Pd [W / mm2]和扫描速度V [mm / s] 的晶粒取向电工钢板满足0.005×Pd + 3000＆amp; NlE; V＆nlE; 0.005×Pd + 40000的关系。

3. 发明申请

US20130139932A1 GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF MANUFACTURING THE SAME 有权
标题翻译：面向电磁钢板及其制造方法
公开(公告)号：US20130139932A1
公开(公告)日：2013-06-06
申请号：US13816773
申请日：2011-09-09
申请人： Tatsuhiko Sakai , Hideyuki Hamamura
发明人： Tatsuhiko Sakai , Hideyuki Hamamura
IPC分类号： H01F1/01 , H01F41/02
CPC分类号： H01F1/01 , C21D8/1266 , C21D8/1272 , C21D8/1294 , C21D2201/05 , H01F1/18 , H01F41/0206
摘要： This method of manufacturing a grain-oriented electrical steel sheet includes, between a cold rolling process and a winding process, a groove formation process of irradiating the surface of a silicon steel sheet with a laser beam multiple times at predetermined intervals in a sheet passing direction, over an area from one end edge to the other end edge, in a sheet width direction of the silicon steel sheet, thereby forming a groove along a locus of the laser beam.
摘要翻译：这种制造方向性电磁钢板的方法包括在冷轧工序和卷绕工序之间，以规定的间隔以片材通过方向以激光多次照射硅钢板表面的槽形成工序在从一端缘到另一端缘的区域中，在硅钢板的片材宽度方向上，由此沿着激光束的轨迹形成凹槽。

4. 发明申请

US20090114316A1 Method of Production of Grain-Oriented Electrical Steel Sheet 有权
标题翻译：面向电磁钢板的生产方法
公开(公告)号：US20090114316A1
公开(公告)日：2009-05-07
申请号：US12225963
申请日：2007-03-28
申请人： Tatsuhiko Sakai , Hideyuki Hamamura
发明人： Tatsuhiko Sakai , Hideyuki Hamamura
IPC分类号： C21D9/46 , H01F41/00
CPC分类号： C21D8/1294 , B23K26/0626 , B23K26/082 , B23K26/0821 , B23K26/53 , B23K2101/16 , B23K2101/18 , B23K2103/04 , C21D8/12
摘要： The present invention provides a method of production of grain-oriented electrical steel sheet greatly reducing the Watt loss of the grain-oriented electrical steel sheet and making the magnetostriction as small as possible, that is, a method of production of grain-oriented electrical steel sheet with small magnetostriction by improving the magnetic properties by irradiation by a finely focused laser beam comprising using a power modulated laser controlled in maximum power density to 1×102 to 1×104 W/mm2 to optimize the amount of strain given by laser irradiation in both the sheet width direction and rolling direction and, in particular, to make the modulation duty 70% to less than 100%.
摘要翻译：本发明提供了一种大幅度降低方向性电磁钢板的瓦特损耗并使磁致伸缩尽可能小的方向性电磁钢板的制造方法，即制造方向性电磁钢的方法通过用精细聚焦的激光束照射来提高磁特性的片材，其包括使用以最大功率密度控制的功率调制激光为1×102-1×104W / mm 2，以优化激光照射在片材宽度中施加的应变量方向和滚动方向，特别是使调制度为70％至小于100％。

5. 发明授权

US08657968B2 Grain-oriented electrical steel sheet and method of manufacturing the same 有权
标题翻译：晶粒取向电工钢板及其制造方法
公开(公告)号：US08657968B2
公开(公告)日：2014-02-25
申请号：US13816773
申请日：2011-09-09
申请人： Tatsuhiko Sakai , Hideyuki Hamamura
发明人： Tatsuhiko Sakai , Hideyuki Hamamura
IPC分类号： H01F1/00 , H01F1/04 , C21D1/00
CPC分类号： H01F1/01 , C21D8/1266 , C21D8/1272 , C21D8/1294 , C21D2201/05 , H01F1/18 , H01F41/0206
摘要： This method of manufacturing a grain-oriented electrical steel sheet includes, between a cold rolling process and a winding process, a groove formation process of irradiating the surface of a silicon steel sheet with a laser beam multiple times at predetermined intervals in a sheet passing direction, over an area from one end edge to the other end edge, in a sheet width direction of the silicon steel sheet, thereby forming a groove along a locus of the laser beam.
摘要翻译：这种制造方向性电磁钢板的方法包括在冷轧工序和卷绕工序之间，以规定的间隔以片材通过方向以激光多次照射硅钢板表面的槽形成工序在一个端部边缘到另一个端部边缘的区域中，在硅钢板的片材宽度方向上，从而沿着激光束的轨迹形成凹槽。

6. 发明申请

US20100243629A1 METHOD FOR MANUFACTURING GRAIN-ORIENTED ELECTROMAGNETIC STEEL SHEET WHOSE MAGNETIC DOMAINS ARE CONTROLLED BY LASER BEAM IRRADIATION 有权
标题翻译：用于激光光束辐射控制磁场的制粒电磁电磁片的方法
公开(公告)号：US20100243629A1
公开(公告)日：2010-09-30
申请号：US12744583
申请日：2008-12-11
申请人： Tatsuhiko Sakai , Hideyuki Hamamura , Masao Yabumoto
发明人： Tatsuhiko Sakai , Hideyuki Hamamura , Masao Yabumoto
IPC分类号： B23K26/00
CPC分类号： H01F1/16 , C21D8/1294 , Y10T428/1234 , Y10T428/2457
摘要： There is provided a method for manufacturing a grain-oriented electromagnetic steel sheet whose iron losses are reduced by laser beam irradiation, capable of improving the iron losses in both the L-direction and the C-direction while easily ensuring high productivity. The method for manufacturing a grain-oriented electromagnetic steel sheet reduces iron losses by scanning and irradiating a grain-oriented electromagnetic steel sheet with a continuous-wave laser beam condensed into a circular or elliptical shape at constant intervals in a direction substantially perpendicular to a rolling direction of the grain-oriented electromagnetic steel sheet, wherein when an average irradiation energy density Ua is defined as Ua=P/(Vc×PL) (mJ/mm2), where P (W) is average power of the laser beam, Vc (m/s) is a beam scanning velocity, and PL (mm) is an irradiation interval in a rolling direction, PL and Ua are in the following ranges: 1.0 mm≦PL≦3.0 mm, 0.8 mJ/mm2≦Ua≦2.0 mJ/mm2.
摘要翻译：提供一种制造通过激光照射减少铁损的方向性电磁钢板的方法，其能够提高L方向和C方向的铁损，同时容易确保高生产率。晶粒取向电磁钢板的制造方法通过扫描和照射具有连续波激光束的方向性电磁钢板来减少铁损，所述连续波激光束以基本上垂直于轧制的方向以恒定的间隔被缩聚为圆形或椭圆形晶粒取向电磁钢板的方向为平均照射能量密度Ua定义为Ua = P /（Vc×PL）（mJ / mm2），其中P（W）为激光束的平均功率，Vc （m / s）是光束扫描速度，PL（mm）是轧制方向的照射间隔，PL和Ua在以下范围内：1.0mm＆lt; llE; PL＆nlE; 3.0mm，0.8mJ / mm2＆amp; NlE; Ua＆ mJ / mm2。

7. 发明授权

US07230968B2 Semiconductor laser device and solid-state laser device using same 有权
标题翻译：半导体激光器件和使用其的固态激光器件
公开(公告)号：US07230968B2
公开(公告)日：2007-06-12
申请号：US10801109
申请日：2004-03-15
申请人： Hirofumi Imai , Naoya Hamada , Motoi Kido , Tatsuhiko Sakai , Atsushi Sugihashi , Hideyuki Hamamura , Satoshi Yamaguchi
发明人： Hirofumi Imai , Naoya Hamada , Motoi Kido , Tatsuhiko Sakai , Atsushi Sugihashi , Hideyuki Hamamura , Satoshi Yamaguchi
IPC分类号： H01S3/08
CPC分类号： G02B19/0057 , G02B19/0014 , G02B19/0028 , G02B27/0955 , H01S3/09415 , H01S5/005 , H01S5/0071 , H01S5/02284 , H01S5/4012 , H01S5/4031 , H01S5/405
摘要： A semiconductor laser device including a laser element stack array emitting a two-dimensional array shaped group of laser beams consisting of rows of laser beams arranged linearly in parallel in a broken line configuration and optical elements arranged in front of the array, receiving rows of laser beams bent and collimated in a direction substantially perpendicular to the orientation of the broken line configuration. Laser beams are emitted from emitters or groups of emitters and are rotated by right angles so as to convert the laser beams to a plurality of rows aligned in parallel in an approximate ladder rung configuration and the distance between center axes of the rows of laser beams is shortened to condense the laser beams by converting them to a group of laser beams emitted from a common object and thereby making all laser beams converge to a single image.
摘要翻译：一种半导体激光装置，包括发射二维阵列形状的激光束组的激光元件堆阵列，所述激光束由虚线配置的线性并行布置的激光束排列，并且布置在阵列前面的光学元件，接收激光列梁在与虚线构造的取向基本垂直的方向上弯曲和准直。激光束从发射器或发射体组发射并且旋转直角，以便将激光束转换成多个以大致梯形结构平行排列的行，并且激光束的中心轴线之间的距离为缩短以通过将激光束转换成从公共物体发射的一组激光束，从而使所有的激光束会聚到单个图像上来对激光束进行冷凝。

8. 发明申请

US20060169362A1 Grain-oriented electrical steel sheet excellent in magnetic characteristic and its manufacturing method 有权
标题翻译：磁特性优良的晶粒取向电工钢板及其制造方法
公开(公告)号：US20060169362A1
公开(公告)日：2006-08-03
申请号：US10549723
申请日：2004-03-05
申请人： Tatsuhiko Sakai , Hideyuki Hamamura , Naoya Hamada
发明人： Tatsuhiko Sakai , Hideyuki Hamamura , Naoya Hamada
IPC分类号： H01F1/04
CPC分类号： C21D8/1294 , H01F1/16 , H01F3/02 , H01F41/0233 , H01S3/067
摘要： The present invention provides a grain-oriented electrical steel sheet with an extremely low core loss by scanning by a small focused laser beam spot and a method of production of the same, that is, a grain-oriented electrical steel sheet improved in electrical characteristics by scanning by a continuous wave fiber laser of the TEM00 mode with a wavelength λ of 1.07≦λ≦2.10 μm substantially perpendicular to the steel sheet rolling direction and at substantially constant spacing and a method of production of the same, wherein a rolling direction focused spot diameter d (mm) of the irradiated beam, a linear scan rate V (mm/s) of the laser beam, an average output P (W) of the laser, a width of the formed laser scribing traces or with of the electrical domains Wl (mm), and a rolling direction Pl (mm) of the laser scribing traces are in the following ranges: 0
摘要翻译：本发明提供一种通过小聚焦激光束斑点的扫描具有极低的磁芯损耗的方向性电磁钢板及其制造方法，即通过以下方法提高电特性的方向性电磁钢板通过基本上垂直于钢板轧制方向和基本上恒定的间距的波长λ为1.07≤λ=2.10μm的TEM 00模式的连续波长光纤激光器进行扫描，以及生产方法其中，照射光束的滚动方向聚焦光点直径d（mm），激光束的线性扫描速度V（mm / s），激光的平均输出P（W），宽度形成的激光划线或电畴W1（mm），并且激光划线的轧制方向Pl（mm）在以下范围内：<？在线公式描述=“在线公式”结束 =“lead”？> 0 <？in-line-formula description =”In-line Formulas“end =”lead“？> 0.001 <= P / V <= 0.012 <？in-line-formula description = 在线公式“end =”tail“？> <？in-line-formula description =”In-line Formulas“end =”lead“？> 0 <？in-line-formula description =”In-line Formulas“end =”lead“？> 1.5 <= P1 <= 11.0 <？in-line-formula description = “直线公式”end =“tail”？>

9. 发明申请

US20050063435A1 Semiconductor laser device and solid-state laser device using same 有权
标题翻译：半导体激光器件和使用其的固态激光器件
公开(公告)号：US20050063435A1
公开(公告)日：2005-03-24
申请号：US10801109
申请日：2004-03-15
申请人： Hirofumi Imai , Naoya Hamada , Motoi Kido , Tatsuhiko Sakai , Atsushi Sugihashi , Hideyuki Hamamura , Satoshi Yamaguchi
发明人： Hirofumi Imai , Naoya Hamada , Motoi Kido , Tatsuhiko Sakai , Atsushi Sugihashi , Hideyuki Hamamura , Satoshi Yamaguchi
IPC分类号： G02B27/09 , H01S3/0941 , H01S5/00 , H01S5/40
CPC分类号： G02B19/0057 , G02B19/0014 , G02B19/0028 , G02B27/0955 , H01S3/09415 , H01S5/005 , H01S5/0071 , H01S5/02284 , H01S5/4012 , H01S5/4031 , H01S5/405
摘要： A semiconductor laser device including a laser element stack array emitting a two-dimensional array shaped group of laser beams consisting of rows of laser beams arranged linearly in parallel in a broken line configuration and optical elements arranged in front of the array, receiving rows of laser beams bent and collimated in a direction substantially perpendicular to the orientation of the broken line configuration. Laser beams are emitted from emitters or groups of emitters and are rotated by right angles so as to convert the laser beams to a plurality of rows aligned in parallel in an approximate ladder rung configuration and the distance between center axes of the rows of laser beams is shortened to condense the laser beams by converting them to a group of laser beams emitted from a common object and thereby making all laser beams converge to a single image.
摘要翻译：一种半导体激光装置，包括发射二维阵列形状的激光束组的激光元件堆阵列，所述激光束由虚线配置的线性并行布置的激光束排列，并且布置在阵列前面的光学元件，接收激光列梁在与虚线构造的取向基本垂直的方向上弯曲和准直。激光束从发射器或发射体组发射并且旋转直角，以便将激光束转换成多个以大致梯形结构平行排列的行，并且激光束的中心轴线之间的距离为缩短以通过将激光束转换成从公共物体发射的一组激光束，从而使所有的激光束会聚到单个图像上来对激光束进行冷凝。

10. 发明授权

US08016951B2 Low core loss grain-oriented electrical steel sheet and method for producing the same 有权
标题翻译：低磁芯损耗晶粒取向电工钢板及其制造方法
公开(公告)号：US08016951B2
公开(公告)日：2011-09-13
申请号：US11919580
申请日：2006-04-26
申请人： Satoshi Arai , Hideyuki Hamamura , Tatsuhiko Sakai , Kaoru Sato , Hideyuki Kobayashi
发明人： Satoshi Arai , Hideyuki Hamamura , Tatsuhiko Sakai , Kaoru Sato , Hideyuki Kobayashi
IPC分类号： H01F1/16 , H01F1/14
CPC分类号： H01F1/16 , H01F1/14775
摘要： An object of the present invention is to provide a grain-oriented electrical steel sheet with low core loss and low magnetostriction and a method for producing the same. The grain-oriented electrical steel sheet is excellent in reduced core loss and magnetostriction while under a high flux density of 1.9 T, comprises a refined magnetic domain comprising a laser irradiated portion which has melted and resolidified to form a solidified layer, wherein the thickness of the solidified layer is 4 μm or less. The grain-oriented electrical steel sheet may further comprise a laser irradiated portion where a surface roughness Rz is small and a cross section viewed from a transverse direction has a concave portion having a width of 200 μm or less and a depth of 10 μm or less for further improvement.
摘要翻译：本发明的目的是提供一种低磁芯损耗和低磁致伸缩性的方向性电磁钢板及其制造方法。晶粒取向电工钢板在1.9T的高磁通密度下，磁芯损耗和磁致伸缩的优异性优异，包括精炼磁畴，其包括激光照射部分，该激光照射部分熔化并重新固化形成固化层，其中，凝固层为4μm以下。晶粒取向电工钢板还可以包括表面粗糙度Rz小的横截面的宽度为200μm以下且深度为10μm以下的凹部的激光照射部进一步改善。

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