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公开(公告)号：US09852842B2
公开(公告)日：2017-12-26
申请号：US14995942
申请日：2016-01-14
发明人： Il Jin Park , Se Hyung Lee , Byeong Cheol Moon
CPC分类号： H01F27/292 , H01F17/0013 , H01F17/04 , H01F2017/048
摘要： A coil electronic component includes a body having a coil part disposed therein and external electrodes connected to the coil part. The body includes a plurality of magnetic particles. In one example, a particle size distribution D50 of the magnetic particles in the body is 1 μm or less. In other examples, a particle size distribution D99 of the magnetic particles in the body is 1 μm or less; a particle size distribution ratio D99/D50 of the magnetic particles in the body is 1.5 or less; and/or a variation coefficient of the particle size of the magnetic particles in the body is 20% or less.
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公开(公告)号：US20170345540A1
公开(公告)日：2017-11-30
申请号：US15525285
申请日：2015-06-05
发明人： Xiongzhi GUO , Qiang XIAO , Jialin RUAN , Jun QIU , Zhida LIU , Tao LUO , Yunfan ZHANG
IPC分类号： H01F17/04 , H01F41/04 , H01F41/076 , H01F7/02 , H01F1/057
CPC分类号： H01F17/04 , H01F1/0576 , H01F1/14758 , H01F1/14791 , H01F1/26 , H01F7/0221 , H01F27/022 , H01F27/255 , H01F41/005 , H01F41/0246 , H01F41/046 , H01F41/076
摘要： Provided is a method for manufacturing a high-density integrally-molded induct comprising the following steps: (1) winding an enameled wire coil to be spiral; (2) mechanically pressing first ferromagnetic powder into a magnetic core; (3) mounting the magnetic core into a. hollow cavity of the enameled wire coil; (4) mounting the enameled wire coil provided with the magnetic core into an injection mold; (5) uniformly mixing and stirring resin glue, a coupling agent and an accelerant, to obtain high-temperature resin glue; (6) uniformly stirring second ferromagnetic powder and the high-temperature resin glue, to obtain a magnetic composite material; (7) injecting the magnetic composite material into a mold cavity of the injection mold for molding, and solidifying the magnetic composite material to obtain an outer magnet; and (8) cooling and de-molding the outer magnet, to obtain a molded inductor. The inductor obtained using the above method is small in size, high in density, high in relative permeability, better in heat dissipation, and lone in service life. The inductor is simply manufactured using an integral molding method, thus reducing the production cost.
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公开(公告)号：US09825560B2
公开(公告)日：2017-11-21
申请号：US14489078
申请日：2014-09-17
IPC分类号： H02M7/46 , H02M3/28 , H02M7/217 , H02P6/00 , H02M1/42 , H01F17/04 , H02M1/12 , H02M3/158 , H01F17/00
CPC分类号： H02P6/28 , H01F17/04 , H01F2017/0093 , H02M1/126 , H02M1/4225 , H02M1/4266 , H02M3/1584 , H02M2001/123 , H02P6/002 , H02P2201/09 , H02P2201/15 , Y02B70/126
摘要： An interleaved bridgeless power factor correction (PFC) converter-based motor drive system is provided. The system includes a first inductor coupled to a second inductor. The coupled first and second inductors are coupled to a first input configured to be coupled to a first line of an alternating current (AC) power supply. The system also includes a third inductor coupled to a fourth inductor. The coupled third and fourth inductors are coupled to a second input configured to be coupled to a second line of the AC power supply. The system further includes a digital active power factor correction (PFC) controller configured to cause current in at least one of the coupled first and second inductors and the coupled third and fourth inductors to be interleaved.
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公开(公告)号：US09815742B2
公开(公告)日：2017-11-14
申请号：US14682267
申请日：2015-04-09
发明人： Sakyo Hirose , Tsuyoshi Kimura
IPC分类号： C04B35/26 , H01F1/01 , H01F29/00 , H01F27/28 , H01F27/29 , H01F27/24 , G01R33/02 , G01R15/18 , H01B3/12 , H01F1/34 , H01F17/00 , H01F17/04 , H01F21/02 , B32B18/00 , C04B35/626 , C04B35/638
CPC分类号： C04B35/265 , B32B18/00 , C04B35/26 , C04B35/2633 , C04B35/6261 , C04B35/62675 , C04B35/638 , C04B2235/3206 , C04B2235/3208 , C04B2235/3213 , C04B2235/3215 , C04B2235/3244 , C04B2235/3277 , C04B2235/3279 , C04B2235/3284 , C04B2235/6025 , C04B2235/663 , C04B2235/767 , C04B2237/34 , C04B2237/68 , C04B2237/704 , G01R15/183 , G01R33/02 , H01B3/12 , H01F1/01 , H01F1/348 , H01F17/0013 , H01F17/04 , H01F21/02 , H01F27/24 , H01F27/2804 , H01F27/2823 , H01F27/29 , H01F29/00
摘要： An oxide ceramic having a principal component formed of a ferrite compound containing at least Sr, Co, and Fe, and zirconium in an amount of 0.05 to 1.0 wt. % on an oxide equivalent basis, and a ceramic electronic component using the oxide ceramic.
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公开(公告)号：US09812247B2
公开(公告)日：2017-11-07
申请号：US14937156
申请日：2015-11-10
发明人： Dong Jin Jeong
CPC分类号： H01F27/292 , H01F17/0013 , H01F17/04 , H01F2017/048
摘要： An electronic component includes a magnetic body; internal coil parts including coil conductors disposed on one surface and the other surface of a support member; and a spacer part disposed between the internal coil parts, wherein the internal coil parts include: first and second internal coil parts embedded in the magnetic body to be spaced apart from each other by a predetermined distance in a thickness direction of the magnetic body; and third and fourth internal coil parts embedded in the magnetic body to be spaced apart from each other by a predetermined distance in the thickness direction and to be spaced apart from the first and second internal coil parts by a predetermined distance in a length direction of the magnetic body, and the spacer part is disposed between the first and second internal coil parts and the third and fourth internal coil parts.
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公开(公告)号：US20170316865A1
公开(公告)日：2017-11-02
申请号：US15497625
申请日：2017-04-26
发明人： Jianxin SHENG
IPC分类号： H01F27/28 , H01F27/245
CPC分类号： H01F27/28 , H01F3/14 , H01F17/04 , H01F17/043 , H01F27/245 , H01F27/255 , H01F2017/048
摘要： An integrated inductor acquired by integrating a plurality of coils, includes a first coil group arranged with winding axes aligned on a first straight line, and a second coil group arranged with winding axes aligned on a second straight line. The first coil group and the second coil group have respective coils being in a staggered arrangement. The first coil group and the second coil group have respective coils partially overlapping with each other when viewed in a winding axis direction.
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公开(公告)号：US20170301451A1
公开(公告)日：2017-10-19
申请号：US15391228
申请日：2016-12-27
发明人： Hyung Ho KIM , Yong Suk KIM , Gun Se CHANG , Young Seuck YOO
IPC分类号： H01F27/255 , H01F41/02 , H01F27/29 , H01F27/28 , H01F41/076 , H01F41/061
CPC分类号： H01F27/255 , H01F17/04 , H01F27/245 , H01F27/263 , H01F27/2828 , H01F27/292 , H01F41/0233 , H01F41/0246 , H01F41/061 , H01F41/076 , H01F2003/106 , H01F2017/046 , H01F2017/048
摘要： A coil electronic component includes a body and external terminals. The body includes a winding coil part and a pillar-shaped core part inserted inside of the winding coil part and formed of a magnetic metal. The external terminals are connected to the winding coil part and disposed on an external surface of the body. The body contains the magnetic metal and a resin, and the pillar-shaped core part has magnetic permeability higher than that of a portion of the body disposed outside of the winding coil part.
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公开(公告)号：US20170283920A1
公开(公告)日：2017-10-05
申请号：US15603460
申请日：2017-05-24
申请人： CYNTEC CO., LTD.
发明人： Lu-Kuei Lin , Shih-Feng Chien , Po-I Wu
IPC分类号： C22C38/32 , H01F17/04 , C22C45/02 , C22C38/02 , C22C38/34 , H01F1/153 , H01F5/00 , B22F1/00 , C22C38/00 , H01F27/24
CPC分类号： C22C38/32 , B22F1/00 , B22F1/0014 , C22C33/0264 , C22C38/002 , C22C38/02 , C22C38/34 , C22C45/02 , C22C2200/02 , C22C2202/02 , H01F1/153 , H01F1/15375 , H01F5/00 , H01F17/04 , H01F27/24 , H01F2017/048
摘要： Mixed magnetic powders for making a magnetic core or body is disclosed, wherein the mixed magnetic powders comprises a first magnetic powder and a second magnetic powder, each of the first magnetic powder and the second magnetic powder being made of a soft magnetic material, wherein the average particle diameter of the first magnetic powder is greater than that of the second magnetic powder, and each of the first magnetic powder and the second magnetic powder has a pre-configured particle size distribution for increasing the density of the magnetic body.
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公开(公告)号：US09773604B2
公开(公告)日：2017-09-26
申请号：US14946629
申请日：2015-11-19
发明人： Min Young Kim , Jin Mo Ahn , Jae Yeol Choi
CPC分类号： H01F27/255 , H01F17/0013 , H01F17/04 , H01F27/292 , H01F41/046
摘要： A power inductor includes: a substrate on which an internal electrode coil pattern is formed; and composite layers formed by alternately stacking first sheets formed of a mixture of coarse metal powder and fine metal powder and second sheets formed of fine metal powder on the internal electrode coil pattern of the substrate, thereby obtaining high inductance.
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公开(公告)号：US20170256353A1
公开(公告)日：2017-09-07
申请号：US15509852
申请日：2015-04-27
发明人： In Kil PARK , Gyeong Tae KIM , Seung Hun CHO , Jun Ho JUNG , Ki Joung NAM , Jung Gyu LEE
IPC分类号： H01F27/29 , H01F27/255 , H01F41/04 , H01F41/02 , H01F41/10 , H05K1/18 , H01F27/34 , C09K5/14 , C08K3/08 , C08K3/22 , C08K3/28 , C08K3/04 , B22F1/00 , B22F1/02 , C23C18/16 , C25D7/12 , B22F3/02 , B29C43/02 , B29C65/00 , H01F27/28
CPC分类号： C08K3/28 , B22F1/0062 , B22F1/02 , B22F3/02 , B22F2301/35 , B22F2302/25 , B22F2302/45 , B29C43/02 , B29C65/002 , B29L2031/34 , C08K3/04 , C08K3/08 , C08K3/22 , C08K2003/0856 , C08K2003/222 , C08K2003/282 , C08K2201/001 , C08K2201/01 , C09K5/14 , C23C18/1637 , C23C18/1653 , C25D7/123 , H01F17/0013 , H01F17/04 , H01F27/008 , H01F27/22 , H01F27/292 , H01F27/34 , H01F41/0233 , H01F41/041 , H01F41/10 , H01F2017/048 , H01F2027/2809 , H05K1/181 , H05K2201/1003
摘要： Provided are a power inductor including a body, a base disposed in the body, a coil disposed on the base, a first external electrode connected to the coil, the first external electrode being disposed on a side surface of the body, and a second external electrode connected to the first external electrode, the second external electrode being disposed on a bottom surface of the body and a method for manufacturing the same.
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