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1. 发明专利

JP2014167953A Amorphous alloy powder, powder-compact magnetic core, magnetic device and electronic device 有权
标题翻译：非晶态合金粉末，粉末磁芯，磁性器件和电子器件
公开(公告)号：JP2014167953A
公开(公告)日：2014-09-11
申请号：JP2013038588
申请日：2013-02-28
申请人： Seiko Epson Corp , セイコーエプソン株式会社
发明人： OTSUKA ISAMU , MAEDA MASARU , SATO TOSHIKUNI
IPC分类号： H01F1/153 , B22F1/00 , B22F3/00 , C22C45/02 , H01F1/20 , H01F1/22
摘要： PROBLEM TO BE SOLVED: To provide: amorphous alloy powder which enables the fabrication of a powder-compact magnetic core achieving both a high magnetic permeability and a low iron loss with stability; a high-performance powder-compact magnetic core fabricated by use of the amorphous alloy powder; a high-performance magnetic device having the powder-compact magnetic core; and a highly reliable electronic device having the magnetic device.SOLUTION: A choke coil 10 comprises a powder-compact magnetic core 11, and a conducting wire 12. The powder-compact magnetic core 11 comprises amorphous alloy powder which includes Fe as a primary component, 10-14 atom% of Si, 8-13 atom% of B, 1-3 atom% of C, a atom% of Cr and b atom% of Mn, provided that a+b is 1.5 to 6, and b/a is between 1 and 2 inclusive.
摘要翻译：要解决的问题：提供：能够稳定地实现高磁导率和低铁损的粉末状小型磁芯的制造的非晶合金粉末; 通过使用非晶合金粉末制造的高性能粉末 - 小型磁芯; 具有粉末致密磁芯的高性能磁性装置; 以及具有磁性器件的高可靠性电子器件。解决方案：扼流线圈10包括粉末致密磁芯11和导线12.粉末致密磁芯11包括非晶合金粉末，其包括Fe作为主要成分，10-14原子％的Si，8-13原子％的B，1-3原子％的C，Cr的原子％和Mn的原子％，条件是a + b为1.5〜6，b / a在1和2之间。

2. 发明专利

JP2014167140A Amorphous alloy powder, dust core, magnetic element and electronic apparatus 有权
标题翻译：非晶合金粉，粉芯，磁性元件和电子设备
公开(公告)号：JP2014167140A
公开(公告)日：2014-09-11
申请号：JP2013038587
申请日：2013-02-28
申请人： Seiko Epson Corp , セイコーエプソン株式会社
发明人： OTSUKA ISAMU , MAEDA MASARU , SATO TOSHIKUNI
IPC分类号： B22F1/00 , B22F3/00 , C22C45/02 , H01F1/153 , H01F1/22 , H01F3/08
摘要： PROBLEM TO BE SOLVED: To provide an amorphous alloy powder capable of producing a dust core having both a high magnetic permeability and low iron loss for a long period of time, a high performance dust core produced by using the amorphous alloy powder, a high performance magnetic element equipped with the dust core and a highly reliable electronic apparatus equipped with the magnetic element.SOLUTION: A choke coil(magnetic element) 10 has a dust core 11 and a conductor 12. The dust core 11 includes an amorphous alloy powder and the amorphous alloy powder is mainly composed of Fe and contains Si in a ratio of 10 atomic % or more and 14 atomic % or less, B in a ratio of 8 atomic % or more and 13 atomic % or less and C in a ratio of 1 atomic % or more and 3 atomic % or less. When the percentage content of Cr is defined as a atomic % and the percentage content of Mn is defined as b atomic %, a+b is 1.5 or more and 5.5 or less and b/a is 0.3 or more and less than 1.
摘要翻译：要解决的问题：为了提供能够长时间生产具有高磁导率和低铁损的粉芯的非晶合金粉末，通过使用非晶合金粉末制造的高性能粉尘芯，高性能配备有防尘芯的磁性元件和配备有磁性元件的高可靠性的电子设备。解决方案：扼流圈（磁性元件）10具有防尘芯11和导体12.防尘芯11包括非晶合金粉末，非晶合金粉末主要由Fe构成，含有比例为10原子％以上且14原子％以下的Si，比例为8原子％以上且13原子％以下的B，比率为1的C 原子％以上且3原子％以下。当将Cr的含量定义为原子％，将Mn的含量定义为b原子％时，a + b为1.5以上且5.5以下，b / a为0.3以上且小于1。

3. 发明专利

JP2014167138A Amorphous alloy powder, dust core, magnetic element and electronic apparatus 有权
标题翻译：非晶合金粉，粉芯，磁性元件和电子设备
公开(公告)号：JP2014167138A
公开(公告)日：2014-09-11
申请号：JP2013038585
申请日：2013-02-28
申请人： Seiko Epson Corp , セイコーエプソン株式会社
发明人： OTSUKA ISAMU , MAEDA MASARU , SATO TOSHIKUNI
IPC分类号： B22F1/00 , B22F3/00 , C22C45/02 , H01F1/153 , H01F1/22 , H01F3/08
摘要： PROBLEM TO BE SOLVED: To provide an amorphous alloy powder having small magnetostriction, a high-performance dust core produced by using the amorphous alloy powder, a high-performance magnetic element equipped with the dust core and a highly reliable electronic apparatus equipped with the magnetic element.SOLUTION: A choke coil(magnetic element) 10 has a dust core 11 and a conductor 12. The dust core 11 includes an amorphous alloy powder and the amorphous alloy powder is mainly composed of Fe and contains Cr in a ratio of 1 atomic % or more and 2.5 atomic % or less, Mn in a ratio of 1 atomic % or more and 3 atomic % or less, Si in a ratio of 10 atomic % or more and 14 atomic % or less, B in a ratio of 8 atomic % or more and 13 atomic % or less and C in a ratio of 1 atomic % or more and 3 atomic % or less. When the percentage content of Cr is defined as a atomic %, the percentage content of Mn is defined as b atomic % and the percentage content of C is defined as e atomic %, e/(a+b) is 0.2 or more and 0.95 or less.
摘要翻译：要解决的问题：为了提供具有小磁致伸缩性的非晶合金粉末，使用非晶合金粉末制造的高性能粉尘芯，配备有防尘芯的高性能磁性元件和配备有磁性的高可靠性电子设备元件。解决方案：扼流线圈（磁性元件）10具有防尘芯11和导体12.防尘芯11包括非晶合金粉末，非晶态合金粉末主要由Fe组成，并含有比例为1原子的Cr ％以上且2.5原子％以下，比例为1原子％以上且3原子％以下的Mn为10原子％以上且14原子％以下的Si为8以上，比率为8 原子％以上且13原子％以下，C以1原子％以上且3原子％以下的比例。当Cr的百分含量定义为原子％时，Mn的百分比定义为b原子％，C的百分含量定义为e原子％，e /（a + b）为0.2以上0.95 或更少。

4. 发明专利

JP2014167137A Amorphous alloy powder, dust core, magnetic element and electronic apparatus 有权
标题翻译：非晶合金粉，粉芯，磁性元件和电子设备
公开(公告)号：JP2014167137A
公开(公告)日：2014-09-11
申请号：JP2013038584
申请日：2013-02-28
申请人： Seiko Epson Corp , セイコーエプソン株式会社
发明人： OTSUKA ISAMU , MAEDA MASARU , SATO TOSHIKUNI
IPC分类号： C22C45/02 , B22F1/00 , C22C33/02 , C22C38/00 , H01F1/153 , H01F1/20
摘要： PROBLEM TO BE SOLVED: To provide an amorphous alloy powder capable of achieving both reduction in iron loss and improvement in magnetic properties when used as a magnetic core, a dust core produced by using the amorphous alloy powder, a magnetic element equipped with the dust core and an electronic apparatus.SOLUTION: A choke coil(magnetic element) 10 has a ring-shaped (toroidal shape) dust core 11 and a conductor 12 wound around the dust core 11. In addition, the dust core 11 is obtained by feeding a mixture obtained by mixing an amorphous alloy powder of the present invention and a binding material into a molding die and pressurizing and molding the mixture. Further, the amorphous alloy powder is mainly composed of Fe and contains Cr in a ratio of 1 atomic % or more and 3 atomic % or less, Mn in a ratio of 0.1 atomic % or more and 3 atomic % or less, Si in a ratio of 10 atomic % or more and 14 atomic % or less, B in a ratio of 8 atomic % or more and 13 atomic % or less and C in a ratio of 1 atomic % or more and 3 atomic % or less.
摘要翻译：要解决的问题：为了提供一种当用作磁芯时能够实现铁损的减少和磁特性的提高的非晶态合金粉末，使用非晶合金粉末制成的压粉芯，配备有压粉芯的磁性元件和电子设备。解决方案：扼流线圈（磁性元件）10具有围绕防尘芯11缠绕的环形（环形形状）防尘芯11和导体12.另外，防尘芯11通过馈送将本发明的非晶质合金粉末与粘结材料混合成型模而得到的混合物，并对混合物加压成形。此外，非晶态合金粉末主要由Fe组成，含有比例为1原子％以上且3原子％以下的Cr，比例为0.1原子％以上且3原子％以下的Mn， 10原子％以上且14原子％以下，B为8原子％以上且13原子％以下，C为1原子％以上且3原子％以下。

5. 发明专利

JP2014167139A Amorphous alloy powder, dust core, magnetic element and electronic apparatus 有权
标题翻译：非晶合金粉，粉芯，磁性元件和电子设备
公开(公告)号：JP2014167139A
公开(公告)日：2014-09-11
申请号：JP2013038586
申请日：2013-02-28
申请人： Seiko Epson Corp , セイコーエプソン株式会社
发明人： OTSUKA ISAMU , MAEDA MASARU , SATO TOSHIKUNI
IPC分类号： B22F1/00 , B22F3/00 , C22C45/02 , H01F1/153 , H01F1/22 , H01F17/04
摘要： PROBLEM TO BE SOLVED: To provide an amorphous alloy powder having small magnetostriction, a high-performance dust core produced by using the amorphous alloy powder, a high-performance magnetic element equipped with the dust core and a highly reliable electronic apparatus equipped with the magnetic element.SOLUTION: A choke coil(magnetic element) 10 has a dust core 11 and a conductor 12. The dust core 11 includes an amorphous alloy powder and the amorphous alloy powder is mainly composed of Fe and contains Cr in a ratio of 2 atomic % or more and 3 atomic % or less, Mn in a ratio of 0.02 atomic % or more and 1 atomic % or less, Si in a ratio of 10 atomic % or more and 14 atomic % or less, B in a ratio of 8 atomic % or more and 13 atomic % or less and C in a ratio of 1 atomic % or more and 3 atomic % or less. When the percentage content of Cr is defined as a atomic %, the percentage content of Mn is defined as b atomic % and the percentage content of C is defined as e atomic %, e/(a+b) is 0.3 or more and 0.95 or less.
摘要翻译：要解决的问题：为了提供具有小磁致伸缩性的非晶合金粉末，使用非晶合金粉末制造的高性能粉尘芯，配备有防尘芯的高性能磁性元件和配备有磁性的高可靠性电子设备元件。解决方案：扼流线圈（磁性元件）10具有防尘芯11和导体12.防尘芯11包括非晶态合金粉末，非晶合金粉末主要由Fe构成，并含有比例为2原子的Cr ％以上且3原子％以下，Mn为0.02原子％以上且1原子％以下，Si为10原子％以上且14原子％以下，B为8以上原子％以上且13原子％以下，C以1原子％以上且3原子％以下的比例。当将Cr的含量定义为原子％时，Mn的百分含量定义为b原子％，C的百分含量定义为e原子％，e /（a + b）为0.3以上0.95 或更少。

6. 发明专利

JP2014103266A Composite particle, production method of composite particle, powder magnetic core, magnetic element and portable electronic apparatus 有权
标题翻译：复合颗粒，复合颗粒，粉末磁芯，磁性元件和便携式电子设备的生产方法
公开(公告)号：JP2014103266A
公开(公告)日：2014-06-05
申请号：JP2012254453
申请日：2012-11-20
申请人： Seiko Epson Corp , セイコーエプソン株式会社
发明人： OTSUKA ISAMU , MAEDA MASARU , SATO TOSHIKUNI
IPC分类号： H01F1/20 , B22F1/00 , B22F1/02 , B22F3/00 , C22C19/03 , C22C38/00 , C22C45/02 , H01F1/153 , H01F1/22 , H01F27/255
CPC分类号： H01F41/005 , C23C10/28 , C23C10/30 , H01F1/14733 , H01F1/14766 , H01F1/24 , H01F1/33 , H01F27/255
摘要： PROBLEM TO BE SOLVED: To provide composite particles wich allows for production of a powder magnetic core having high filling factor and high permeability, and to provide a production method capable of producing the composite particles efficiently, a powder magnetic core produced using the composite particles, a magnetic element including the powder magnetic core, and a portable electronic apparatus including the magnetic element.SOLUTION: A powder magnetic core is obtained by mixing composite particles 5 and a binder, and then molding the mixture. The composite particle 5 has a core particle 3 composed of a soft magnetic metal material, and a plurality of coating particles 40 composed of a soft magnetic metal material and fused to the core particle 3 so as to cover the core particle 3, and a coating layer 4 is formed of a plurality of coating particles 40. When the vickers hardness of the core particle 3 is HV1 and the vickers hardness of the coating layer 4 is HV2, following relationship is satisfied; 100≤HV1-HV2. When one half of the projected area equivalent circle diameter of the core particle 3 is r and the average thickness of the coating layer 4 is t, following relationship is satisfied; 0.05≤t/r≤1.
摘要翻译：要解决的问题：为了提供能够生产具有高填充率和高渗透性的粉末磁芯的复合颗粒，并且提供能够有效地制备复合颗粒的制造方法，使用该复合颗粒制造的粉末磁芯，包括粉末磁芯的磁性元件和包括磁性元件的便携式电子设备。解决方案：通过混合复合颗粒5和粘合剂，然后将混合物成型，获得粉末磁芯。复合颗粒5具有由软磁性金属材料构成的芯颗粒3和由软磁性金属材料构成的多个涂层颗粒40，并且与芯颗粒3熔合以覆盖芯颗粒3，并且涂覆层4由多个涂层颗粒40形成。当核心颗粒3的维氏硬度为HV1，涂层4的维氏硬度为HV2时，满足以下关系： 100≤HV1-HV2。当核心颗粒3的投影面积当量圆直径的一半为r且涂层4的平均厚度为t时，满足以下关系： 0.05≤t/r≤1。

7. 发明专利

JP2014103265A Composite particle, powder magnetic core, magnetic element and portable electronic apparatus 有权
标题翻译：复合颗粒，粉末磁芯，磁性元件和便携式电子设备
公开(公告)号：JP2014103265A
公开(公告)日：2014-06-05
申请号：JP2012254452
申请日：2012-11-20
申请人： Seiko Epson Corp , セイコーエプソン株式会社
发明人： OTSUKA ISAMU , MAEDA MASARU , SATO TOSHIKUNI
IPC分类号： H01F1/20 , B22F1/00 , B22F1/02 , B22F3/00 , C22C19/03 , C22C38/00 , C22C45/02 , H01F1/153 , H01F1/22 , H01F27/255
CPC分类号： H01F27/255 , H01F1/15333 , H01F1/15383 , H01F1/24 , H01F1/26 , H01F1/33
摘要： PROBLEM TO BE SOLVED: To provide a composite particles which allows for production of a power magnetic core with high filling factor and high permeability, and to provide a power magnetic core produced using the composite particles, a magnetic element including the power magnetic core, and a portable electronic apparatus.SOLUTION: A choke coil (magnetic element) has a ring-shaped power magnetic core. The power magnetic core is obtained by mixing composite particles 5 and a binder, and then molding the mixture. The composite particles 5 have first particles 3 composed of a soft magnetic material, and second particles 4 composed of a soft magnetic material and fixed to the first particles 3 so as to cover them. When the Vickers hardness of the first particles 3 is HV1, and the Vickers hardness of the second particles 4 is HV2, following relationships are satisfied; 250≤HV1≤1200, 100≤HV2
摘要翻译：要解决的问题：提供一种能够制造具有高填充率和高磁导率的功率磁芯的复合颗粒，并且提供使用复合颗粒产生的功率磁芯，包括功率磁芯的磁性元件和便携式电子设备。解决方案：扼流线圈（磁性元件）具有环形功率磁芯。功率磁芯通过混合复合颗粒5和粘合剂获得，然后模制混合物。复合颗粒5具有由软磁性材料构成的第一粒子3和由软磁性体构成的第二粒子4，并固定在第一粒子3上以覆盖它们。当第一颗粒3的维氏硬度为HV1，第二颗粒4的维氏硬度为HV2时，满足以下关系： 250≤HV1≤1200,100≤HV2<250，100≤HV1-HV2。当第一和第二颗粒3,4的投影面积当量圆直径为d1，d2，d1为30-100μm，d2为2-20μm时。

8. 发明专利

JP2013213247A Soft magnetic powder, dust core, and magnetic device 有权
标题翻译：软磁粉，磁芯和磁性装置
公开(公告)号：JP2013213247A
公开(公告)日：2013-10-17
申请号：JP2012083142
申请日：2012-03-30
申请人： Seiko Epson Corp , セイコーエプソン株式会社
发明人： OTSUKA ISAMU , MAEDA MASARU , SATO TOSHIKUNI
IPC分类号： B22F1/00 , C22C45/02 , H01F1/20 , H01F27/24 , H01F27/255
CPC分类号： H01F1/15308 , H01F3/08
摘要： PROBLEM TO BE SOLVED: To provide a soft magnetic powder which can simultaneously achieve decreased iron loss and improved magnetic properties when used as a magnetic core, a dust core produced by using the soft magnetic powder, and a magnetic device including the dust core.SOLUTION: A choke coil (magnetic device) 10 includes a ring (toroidal shape) dust core 11 and a conductive wire 12 wrapped around the dust core 11. Also, the dust core 11 is obtained by mixing a soft magnetic powder with a binder, delivering the obtained mixture into a molding die, and performing compression molding. Also, the soft magnetic powder is a powder including an amorphous alloy material, which has alloy composition represented by FeMnSiBC(each of a, b, c and d represents at%), and satisfies the relation: 0.1≤a≤10, 3≤b≤15, 3≤c≤15, and 0.1≤d≤3.
摘要翻译：要解决的问题：提供一种当用作磁芯时可以同时实现铁损减少和磁性能的软磁粉末，使用软磁粉末产生的压粉芯，以及包括该粉芯的磁性装置。扼流线圈（磁性装置）10包括环形（环形）的集尘芯11和缠绕在集尘芯11上的导线12.另外，通过将软磁性粉末与粘合剂混合，将得到的混合物成型成模具，进行压缩成型。此外，软磁性粉末是包含由FeMnSiBC（a，b，c和d表示为％）表示的合金组成的非晶态合金材料的粉末，满足下述关系：0.1≤a≤10,3≤ b≤15,3≤c≤15,0.1≤d≤3。

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