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公开(公告)号：US20070194267A1
公开(公告)日：2007-08-23
申请号：US10599003
申请日：2005-03-29
申请人： Kazuhiro Hirose , Haruhisa Toyoda , Takao Nishioka , Naoto Igarashi , Toru Maeda , Yoshiyuki Shimada
发明人： Kazuhiro Hirose , Haruhisa Toyoda , Takao Nishioka , Naoto Igarashi , Toru Maeda , Yoshiyuki Shimada
IPC分类号： H01F1/14
CPC分类号： B22F1/02 , B22F2998/10 , H01F1/24 , H01F1/33 , H01F41/0246 , B22F3/02 , B22F3/24
摘要： A soft magnetic material includes: a plurality of composite magnetic particles formed from a metal magnetic particle and an insulative coating surrounding a surface of the metal magnetic particle and containing metallic salt phosphate and/or oxide; and a lubricant formed as fine particles added at a proportion of at least 0.001 percent by mass and no more than 0.1 percent by mass relative to the plurality of composite magnetic particles. With this structure, superior lubrication is provided during compacting and desired magnetic characteristics can be obtained after compacting.
摘要翻译： 软磁性材料包括：多个由金属磁性颗粒形成的复合磁性颗粒和围绕金属磁性颗粒的表面的包含金属盐磷酸盐和/或氧化物的绝缘涂层; 以及相对于多个复合磁性粒子以比例为0.001质量％以上0.1质量％以下的微粒子形成的润滑剂。 利用这种结构，在压实过程中提供了优异的润滑，并且在压实后可获得所需的磁特性。
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公开(公告)号：US07998361B2
公开(公告)日：2011-08-16
申请号：US10599003
申请日：2005-03-29
申请人： Kazuhiro Hirose , Haruhisa Toyoda , Takao Nishioka , Naoto Igarashi , Toru Maeda , Yoshiyuki Shimada
发明人： Kazuhiro Hirose , Haruhisa Toyoda , Takao Nishioka , Naoto Igarashi , Toru Maeda , Yoshiyuki Shimada
CPC分类号： B22F1/02 , B22F2998/10 , H01F1/24 , H01F1/33 , H01F41/0246 , B22F3/02 , B22F3/24
摘要： A soft magnetic material includes: a plurality of composite magnetic particles formed from a metal magnetic particle and an insulative coating surrounding a surface of the metal magnetic particle and containing metallic salt phosphate and/or oxide; and a lubricant formed as fine particles added at a proportion of at least 0.001 percent by mass and no more than 0.1 percent by mass relative to the plurality of composite magnetic particles. With this structure, superior lubrication is provided during compacting and desired magnetic characteristics can be obtained after compacting.
摘要翻译： 软磁性材料包括：多个由金属磁性颗粒形成的复合磁性颗粒和围绕金属磁性颗粒的表面的包含金属盐磷酸盐和/或氧化物的绝缘涂层; 以及相对于多个复合磁性粒子以比例为0.001质量％以上0.1质量％以下的微粒子形成的润滑剂。 利用这种结构，在压实过程中提供了优异的润滑，并且在压实后可获得所需的磁特性。
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公开(公告)号：US20070169851A1
公开(公告)日：2007-07-26
申请号：US10587893
申请日：2005-01-26
申请人： Hirokazu Kugai , Naoto Igarashi , Toru Maeda , Kazuhiro Hirose , Haruhisa Toyoda , Koji Mimura , Takao Nishioka
发明人： Hirokazu Kugai , Naoto Igarashi , Toru Maeda , Kazuhiro Hirose , Haruhisa Toyoda , Koji Mimura , Takao Nishioka
IPC分类号： H01F1/24
CPC分类号： B22F1/02 , B22F1/0088 , B22F2998/10 , B22F2999/00 , H01F1/24 , H01F1/33 , H01F3/08 , B22F9/082 , B22F1/0085 , B22F2201/013 , B22F2201/11
摘要： An object of the present invention is to provide a soft magnetic material exhibiting excellent magnetic characteristics regardless of the frequency to be applied and a dust core produced from the soft magnetic material. The means for solving the invention is a soft magnetic material that comprises metal magnetic particles 10 containing iron and oxygen. The ratio of oxygen contained in metal magnetic particles 10 is more than 0 and less than 0.05% by mass. A dust core produced using such a soft magnetic material has a coercive force of 2.0×102 A/m or less.
摘要翻译： 本发明的目的是提供一种软磁性材料，而不管所施加的频率如何，并且由软磁性材料制成的压粉芯是显示出优异的磁特性的。 解决本发明的方法是包含含有铁和氧的金属磁性颗粒10的软磁性材料。 金属磁性粒子10中所含的氧的比例大于0且小于0.05质量％。 使用这种软磁性材料制成的防尘芯的矫顽力为2.0×10 2 A / m以下。
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公开(公告)号：US20080231409A1
公开(公告)日：2008-09-25
申请号：US10597197
申请日：2005-01-28
申请人： Hirokazu Kugai , Naoto Igarashi , Toru Maeda , Kazuhiro Hirose , Haruhisa Toyoda , Koji Mimura , Takao Nishioka
发明人： Hirokazu Kugai , Naoto Igarashi , Toru Maeda , Kazuhiro Hirose , Haruhisa Toyoda , Koji Mimura , Takao Nishioka
IPC分类号： H01F27/255 , H01F1/24 , H01F41/02
CPC分类号： H01F3/08 , H01F1/24 , H01F1/33 , H01F41/0246 , Y10T29/4902 , Y10T428/2991 , Y10T428/2993 , Y10T428/2995 , Y10T428/2996
摘要： The object of the present invention is to provide a powder core and method for making the same that is equipped with insulative coating having superior heat resistance, with the coating making it possible to adequately restrict the flow of eddy currents between particles.The powder core is equipped with a plurality of compound magnetic particles bonded to each other. Each of said plurality of composite magnetic particles includes: a metal magnetic particle 10; an insulative lower layer coating 20 surrounding a surface 10a of said metal magnetic particle 10; an upper layer coating 30 surrounding said lower layer coating 20 and containing silicon; and dispersed particles 50 containing a metal oxide compound and disposed in said lower layer coating 20 and/or said upper layer coating 30. A mean particle diameter R of the dispersed particles 50 meets the condition 10 nm
摘要翻译： 本发明的目的是提供一种粉末芯及其制造方法，其具有耐热性优异的绝缘涂层，该涂层可以适当地限制颗粒之间的涡流的流动。 粉末芯配备有彼此结合的多个复合磁性颗粒。 所述多个复合磁性颗粒中的每一个包括：金属磁性颗粒10; 围绕所述金属磁性颗粒10的表面10a的绝缘性下层涂层20; 围绕所述下层涂层20并含有硅的上层涂层30; 和含有金属氧化物化合物的分散颗粒50，并设置在所述下层涂层20和/或上层涂层30中。分散颗粒50的平均粒径R满足条件10nm
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5.发明授权Dust core with specific relationship between particle diameter and coating thickness, and method for producing same 有权颗粒直径与涂层厚度之间具有特定关系的粉尘芯及其制造方法公开(公告)号：US07682695B2
公开(公告)日：2010-03-23
申请号：US10597197
申请日：2005-01-28
申请人： Hirokazu Kugai , Naoto Igarashi , Toru Maeda , Kazuhiro Hirose , Haruhisa Toyoda , Koji Mimura , Takao Nishioka
发明人： Hirokazu Kugai , Naoto Igarashi , Toru Maeda , Kazuhiro Hirose , Haruhisa Toyoda , Koji Mimura , Takao Nishioka
CPC分类号： H01F3/08 , H01F1/24 , H01F1/33 , H01F41/0246 , Y10T29/4902 , Y10T428/2991 , Y10T428/2993 , Y10T428/2995 , Y10T428/2996
摘要： The object of the present invention is to provide a powder core and method for making the same that is equipped with insulative coating having superior heat resistance, with the coating making it possible to adequately restrict the flow of eddy currents between particles.The powder core is equipped with a plurality of compound magnetic particles bonded to each other. Each of said plurality of composite magnetic particles includes: a metal magnetic particle 10; an insulative lower layer coating 20 surrounding a surface 10a of said metal magnetic particle 10; an upper layer coating 30 surrounding said lower layer coating 20 and containing silicon; and dispersed particles 50 containing a metal oxide compound and disposed in said lower layer coating 20 and/or said upper layer coating 30. A mean particle diameter R of the dispersed particles 50 meets the condition 10 nm
摘要翻译： 本发明的目的是提供一种粉末芯及其制造方法，其具有耐热性优异的绝缘涂层，该涂层可以适当地限制颗粒之间的涡流的流动。 粉末芯配备有彼此结合的多个复合磁性颗粒。 所述多个复合磁性颗粒中的每一个包括：金属磁性颗粒10; 围绕所述金属磁性颗粒10的表面10a的绝缘性下层涂层20; 围绕所述下层涂层20并含有硅的上层涂层30; 和含有金属氧化物化合物的分散颗粒50，并且设置在所述下层涂层20和/或上层涂层30中。分散颗粒50的平均粒径R满足条件10nm
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公开(公告)号：US07588648B2
公开(公告)日：2009-09-15
申请号：US10549964
申请日：2004-10-07
IPC分类号： H01F1/20
CPC分类号： H01F1/26 , B22F2998/00 , H01F1/24 , H01F41/0246 , Y10T428/2982 , Y10T428/2991 , B22F1/02
摘要： The present invention provides a soft magnetic material and a powder magnetic core having desired magnetic characteristics.A soft magnetic material contains a metal magnetic powder 10. The metal magnetic powder 10 is formed from crystals 1 with an average size, as determined from X-ray diffraction, of at least 30 nm. It would be preferable, in the metal magnetic particles 10, for crystal grains 2 to have an average size of at least 10 microns.
摘要翻译： 本发明提供具有所需磁特性的软磁性材料和粉末磁芯。 软磁性材料含有金属磁性粉末10.金属磁性粉末10由具有至少30nm的由X射线衍射确定的平均尺寸的晶体1形成。 在金属磁性颗粒10中，对于晶粒2，平均尺寸至少为10微米是优选的。
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公开(公告)号：US20050016633A1
公开(公告)日：2005-01-27
申请号：US10893965
申请日：2004-07-20
申请人： Hirokazu Kugai , Haruhisa Toyoda , Naoto Igarashi , Kazuhiro Hirose , Takao Nishioka , Akihiko Ikegaya , Ryosuke Hata , Hitoshi Oyama , Kenichi Sato , Kazuhiko Hayashi , Masayuki Hirose , koji Muranaka
发明人： Hirokazu Kugai , Haruhisa Toyoda , Naoto Igarashi , Kazuhiro Hirose , Takao Nishioka , Akihiko Ikegaya , Ryosuke Hata , Hitoshi Oyama , Kenichi Sato , Kazuhiko Hayashi , Masayuki Hirose , koji Muranaka
CPC分类号： H01F41/0246 , H01F1/24
摘要： The method of manufacturing soft magnetic articles comprises a step of preparing a melt solution containing soft magnetic materials and a step of forming soft magnetic particles from the melt solution in a magnetic field by an atomization rapid solidification method.
摘要翻译： 制造软磁制品的方法包括制备含有软磁性材料的熔融溶液的步骤，以及通过雾化快速凝固法在磁场中从熔融溶液中形成软磁性颗粒的步骤。
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8.发明授权公开(公告)号：US07601229B2
公开(公告)日：2009-10-13
申请号：US10595314
申请日：2004-10-01
CPC分类号： H01F41/0246 , B22F2998/00 , H01F1/33 , B22F1/02
摘要： A method for making soft magnetic material includes: a first heat treatment step applying a temperature of at least 400 deg C. and less than 900 deg C. to metal magnetic particles; a step for forming a plurality of compound magnetic particles in which said metal magnetic particles are surrounded by insulation film; and a step for forming a shaped body by compacting a plurality of compound magnetic particles. This provides a method for making soft magnetic material that provides desired magnetic properties.
摘要翻译： 一种制造软磁性材料的方法包括：向金属磁性颗粒施加至少400摄氏度且小于900摄氏度的温度的第一热处理步骤; 用于形成多个复合磁性颗粒的步骤，其中所述金属磁性颗粒被绝缘膜包围; 以及通过压制多个复合磁性颗粒来形成成形体的步骤。 这提供了制造提供所需磁性的软磁性材料的方法。
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9.发明申请公开(公告)号：US20070102066A1
公开(公告)日：2007-05-10
申请号：US10595314
申请日：2004-10-01
IPC分类号： H01F1/22
CPC分类号： H01F41/0246 , B22F2998/00 , H01F1/33 , B22F1/02
摘要： A method for making soft magnetic material includes: a first heat treatment step applying a temperature of at least 400 deg C. and less than 900 deg C. to metal magnetic particles (10); a step for forming a plurality of compound magnetic particles (30) in which said metal magnetic particles (10) are surrounded by insulation film (20); and a step for forming a shaped body by compacting a plurality of compound magnetic particles (30). This provides a method for making soft magnetic material that provides desired magnetic properties.
摘要翻译： 制造软磁性材料的方法包括：对金属磁性颗粒（10）施加至少400摄氏度且小于900摄氏度的温度的第一热处理步骤; 用于形成多个复合磁性颗粒（30）的步骤，其中所述金属磁性颗粒（10）被绝缘膜（20）包围; 以及通过压制多个复合磁性颗粒（30）形成成形体的步骤。 这提供了制造提供所需磁性的软磁性材料的方法。
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公开(公告)号：US20060216507A1
公开(公告)日：2006-09-28
申请号：US10549964
申请日：2004-10-07
CPC分类号： H01F1/26 , B22F2998/00 , H01F1/24 , H01F41/0246 , Y10T428/2982 , Y10T428/2991 , B22F1/02
摘要： The present invention provides a soft magnetic material and a powder magnetic core having desired magnetic characteristics. A soft magnetic material contains a metal magnetic powder 10. The metal magnetic powder 10 is formed from crystals 1 with an average size, as determined from X-ray diffraction, of at least 30 nm. It would be preferable, in the metal magnetic particles 10, for crystal grains 2 to have an average size of at least 10 microns.
摘要翻译： 本发明提供具有所需磁特性的软磁性材料和粉末磁芯。 软磁性材料含有金属磁性粉末10。 金属磁性粉末10由具有至少30nm的由X射线衍射确定的平均尺寸的晶体1形成。 在金属磁性颗粒10中，对于晶粒2，平均尺寸至少为10微米是优选的。
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