-
公开(公告)号：US20220157515A1
公开(公告)日：2022-05-19
申请号：US17200887
申请日：2021-03-14
发明人： Qiang SU , Youyun LI , Shengcheng XIA , Xinshu YU
IPC分类号： H01F27/30 , H01F27/24 , H01F27/28 , H01F41/061
摘要： A winding structure includes a coil having a wire wrap and two wire tails, and a magnetic core having a center column, a flange, four wire-hanging parts and two bosses; the center column is connected at a top surface of the flange, the first boss is disposed in the middle of a first side of the flange, and the second boss is symmetrical to the first boss; transition surfaces of wire-hanging parts to a bottom surface of the flange are chamfered surfaces; first to fourth sections of the first wire tail are sequentially attached to the first wire-hanging part and the first chamfered surface, the bottom surface of the flange, the third chamfered surface, the third wire-hanging part, and the top surface of the flange; first to fourth sections of the second wire tail are symmetrical to first to fourth sections of the first wire tail, respectively.
-
公开(公告)号：US20200381151A1
公开(公告)日：2020-12-03
申请号：US16999042
申请日：2020-08-20
发明人： Shengcheng XIA , Gengxin XIAO , Xinshu YU
摘要： An integrally-molded inductor comprises a coil having an insulation coating layer and a magnetic material integrally molded with the coil by compression molding, with electrodes, which are exposed outside the magnetic material, formed at two ends of the coil, wherein the insulation coating layer of the coil comprises a non-conductive inorganic particle component and a resin component which are uniformly mixed, the inorganic particle component and the resin component being in a ratio by weight percentage of 70%:30% to 90%:10%. According to the integrally-molded inductor and a method for manufacturing same, the pressure resistance of the integrally-molded inductor is improved, and the electrical properties and reliability of the inductor product are improved.
-
公开(公告)号：US20220157519A1
公开(公告)日：2022-05-19
申请号：US17322920
申请日：2021-05-18
发明人： Xinshu YU , Youyun LI , Shengcheng XIA , Zehong YAO , Yupeng HONG , Yingying WANG , Qiang SU , Wanhe YI , Xin CHE
IPC分类号： H01F41/02 , H01F1/24 , H01F27/255 , H01F27/29 , H01F17/04
摘要： An integrally formed inductor and a manufacturing method thereof, wherein the method comprises: sintering a soft magnetic material to prepare a magnetic core plate with a plurality of grooves; respectively putting hollow coils into the plurality of grooves; putting a magnetic core plate provided with coils into a forming die, adding a soft magnetic material in a fluid state, and integrally forming the soft magnetic material in the fluid state on the magnetic core plate through pressing; coating semi-finished inductors with an insulating material to form an insulating coating layer, and exposing only two terminals of the coils; areas where the coil terminals are exposed on a surface of the insulating coating layer being metallized to form electrodes of the integrally formed inductor. Therefore, the disclosure provides an integrally formed inductor which is subminiature in size, ultra-thin and high in reliability and a manufacturing method thereof.
-
公开(公告)号：US20210210275A1
公开(公告)日：2021-07-08
申请号：US17211811
申请日：2021-03-24
发明人： Qiang SU , Xinshu YU , Shengcheng XIA , Youyun LI
摘要： An inductance component and a preparation method thereof, comprising: prefabricating a continuous coil row containing a plurality of hollow coils with the connections of every two adjacent hollow coils being bent feet; placing the continuous coil row into a cavity of a prefabricated mold, the cavity comprising a plurality of sub-chambers and one sub-chamber being used for placing a hollow coil; injecting the prepared soft-magnetic magnetic glue into the cavity to enable the soft-magnetic magnetic glue to coat the hollow coil, and simultaneously exposing the bent feet to the outside to perform magnet forming; cutting the formed semi-finished product; and peeling the exposed bent foot copper wire, and performing metallization to form an electrode to obtain a finished product of the inductance component. The invention has high inductance preparation efficiency, and the obtained product electrode has no risks of a dry joint, poor contact, and the like.
-
公开(公告)号：US20210327640A1
公开(公告)日：2021-10-21
申请号：US17211789
申请日：2021-03-24
发明人： Yingying WANG , Xinshu YU , Shengcheng XIA , Youyun LI
摘要： An inductive component comprises a hollow coil wound by Litz wire, a magnetic plastic packaging layer covering the coil, and a first electrode and a second electrode of the coil. The first electrode and the second electrode are exposed outside the magnetic plastic packaging layer. A manufacturing method for the inductive component comprises: winding a hollow coil by using Litz wire; connecting two leading-out terminals of the coil to portions of a leadframe to be formed into two electrodes; manufacturing a formed magnetic plastic packaging layer on the periphery of the coil; curing the magnetic plastic packaging layer through heat treatment; and carrying out leadframe cutting on the cured semi-finished product to form the two electrodes exposed outside the magnetic plastic packaging layer, and bending the two electrodes to flatly extend to the surface of the magnetic plastic packaging layer.
-
公开(公告)号：US20210210261A1
公开(公告)日：2021-07-08
申请号：US17211775
申请日：2021-03-24
发明人： Xinshu YU , Shengcheng XIA , Youyun LI , Xin CHE
摘要： A preparation method for a metal soft magnetic composite material inductor includes: smelting Fe, Si and Cr and then employing a water atomization or gas atomization means to fabricate an alloy powder; after sifting by particle size, mixing powders of different particle size levels and performing coating insulation, and performing post-granulation to obtain a metal soft composite material granulation powder; adopting the granulation powder to press a material cake, and transferring and molding same; adopting a hollow coil in a liquid-phase coating mold cavity, curing and demolding to obtain a semi-finished product, then continuously heating and curing the semi-finished product, and preparing an end electrode to obtain a finished inductor.
-
公开(公告)号：US20200086536A1
公开(公告)日：2020-03-19
申请号：US16443808
申请日：2019-06-17
发明人： Xinshu YU , Shengcheng XIA
摘要： Disclosed are a transfer-molded inductor and a manufacturing method thereof. The inductor comprises a magnet formed by transfer molding with a soft magnetic colloid; and a prefabricated coil assembly comprising an air-core coil and electrode sheets connected at two ends of the air-core coil. The method comprises steps of: connecting a prefabricated air-core coil and an electrode sheet by welding to form a coil assembly, and placing the coil assembly in a cavity of a mold; performing transfer molding with a soft magnetic colloid in a gelatinous state so that the coil is entirely buried in the colloid while the electrode sheets at two ends of the air-core coil are at least partially exposed outside the colloid to serve as terminal electrodes; and performing demolding after the colloid is cured to form a magnet, and finishing the terminal electrodes to obtain the inductor.
-
-
-
-
-
-
搜索结果
7 条记录 (耗时 0.014 秒)
