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公开(公告)号：US10679780B2
公开(公告)日：2020-06-09
申请号：US15865200
申请日：2018-01-08
摘要： A composite soft magnetic material includes the following components: 67.9 to 95.54 wt % of FeSiCr, 0.1 to 0.3 wt % of TiO2, 0.15 to 0.75 wt % of SiO2, 0.1 to 0.5 wt % of Mn3O4, 0.1 to 0.5 wt % of ZnO, 3.4 to 25.9 wt % of BaO, 0.4 to 3 wt % of B2O3, 0.2 to 0.85 wt % of CaO, and 0.01 to 0.3 wt % of CuO. The composite soft magnetic material has high initial permeability and high Bs, excellent temperature stability, and low temperature coefficient.
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公开(公告)号：US10811188B2
公开(公告)日：2020-10-20
申请号：US15865291
申请日：2018-01-09
发明人： Shengcheng Xia , Youyun Li
IPC分类号： H01F41/076 , H01B13/06 , H01F41/064 , H01F41/02 , C03C14/00 , H01F41/12 , H01B3/08 , H01F27/255 , B05D3/02 , B05D3/12 , C03C8/16 , H01B7/02 , H01F27/28 , H01F27/29 , H01F41/06
摘要： A preparation method for a metal matrix composite wire includes the following steps: 1) preparing a metal inner core; 2) preparing a glass-resin mixture; 3) dissolving self-adhesive resin in a solvent to prepare a self-adhesive resin solution; 4) uniformly coating the glass-resin mixture on a surface of the metal inner core, then coating the self-adhesive resin solution on a surface of the glass-resin mixture, and performing drying at a temperature of 80° C. to 150° C.; and 5) repeating the step 4) until a thickness of the glass-resin mixture plus the self-adhesive resin reaches 2 to 10 μm. When an inductor is prepared by using the composite wire, the inductor may have relatively good weather resistance, a relatively good dielectric voltage-withstand capability, as well as relatively good high-temperature resistance and electrical performance.
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公开(公告)号：US11309117B2
公开(公告)日：2022-04-19
申请号：US15973516
申请日：2018-05-07
发明人： Shengcheng Xia , Youyun Li , Xinshu Yu , Gengxin Xiao
摘要： An inductive element includes a magnetic core, a flat coil wound on a middle column of the magnetic core, and a magnetic plastic package layer covering the magnetic core and the flat coil. Two electrodes connected to two pigtails of the flat coil are exposed outside of the magnetic plastic package layer. The flat coil is configured to enable a width direction of a flat wire of the flat coil to be perpendicular to an axial direction of the middle column of the magnetic core, and the flat wire is stacked layer by layer in the axial direction of the middle column. A manufacturing method for the inductive element is also disclosed herein. By using the wounding method of the flat coil of the inductive element, a height of a product may be reduced while obtaining a same DCR, so that the product is thinner.
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公开(公告)号：US20180130588A1
公开(公告)日：2018-05-10
申请号：US15861698
申请日：2018-01-04
CPC分类号： H01F17/062 , H01F17/04 , H01F27/324 , H01F41/125 , H01F2017/048
摘要： An inductor and a method for manufacturing the same are disclosed. The inductor includes a magnetic body and a conductor coil, where the conductor coil is inside the magnetic body; and further includes an inorganic insulation layer, where the inorganic insulation layer is wrapped on a surface of the conductor coil, and the inorganic insulation layer is inside the magnetic body. According to the present application, an inductor having a higher inductance or an inductor having a lower direct current resistance may be manufactured.
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公开(公告)号：US20150020378A1
公开(公告)日：2015-01-22
申请号：US13978542
申请日：2012-03-23
发明人： Youyun Li , Dafu Lu , Yang Zhang , Cong Yuan
IPC分类号： H01F41/04
CPC分类号： H01F41/04 , H01F17/0013 , H01F41/042 , Y10T29/4902
摘要： A method of manufacturing a laminated coil device includes conductors for forming coils and insulation stacking for forming laminated bodies, and further includes the steps of: (A) manufacturing ceramic insulating thin sheets; (B) forming ceramic insulating thin sheets with conductive through-holes; (C) manufacturing coil thin sheets with coil conductors so as to embed the coil conductors inside the ceramic insulating thin sheets; (D) orderly stacking and cutting ceramic insulating thin sheets and coil thin sheets with coil conductors into unit sizes in order to obtain laminated bodies; (E) heating the laminated bodies in order to remove the binder, and then sintering the laminated bodies; (F) coating the conductive paste on the two ends of the laminated bodies so as to fen external electrodes. Thus, the present invention is to provide a manufacturing method of producing a laminated coil power device with low direct current resistance, no delamination, no air space, and no lamination cracking.
摘要翻译： 层叠线圈装置的制造方法包括用于形成层叠体的线圈用导体和绝缘层叠体，还包括以下工序：（A）制造陶瓷绝缘薄片; （B）形成具有导电通孔的陶瓷绝缘薄片; （C）制造具有线圈导体的线圈薄片，以将线圈导体嵌入陶瓷绝缘薄片内; （D）将具有线圈导体的陶瓷绝缘薄片和线圈薄片顺序堆叠切割成单位尺寸，以获得层压体; （E）加热层叠体以除去粘合剂，然后烧结层压体; （F）在层叠体的两端涂覆导电膏，以使外部电极变钝。 因此，本发明提供一种制造低直流电阻，无分层，没有空气空间，没有层压破裂的层叠线圈功率器件的制造方法。
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公开(公告)号：US20210304956A1
公开(公告)日：2021-09-30
申请号：US17238224
申请日：2021-04-23
发明人： Yingying Wang , Xinshu Yu , Shengcheng Xia , Youyun Li , Xin Che
摘要： A molded-forming power inductor comprises a conductor, a magnetic core and a magnetic molding package layer, wherein the conductor comprises an integrally formed insulation-processed base part, an insulation-processed side enclosing part and an electrode part, the base part and the side enclosing part are assembled with the magnetic core in a gapless fit mode, and the magnetic molding package layer is gaplessly wrapped outside the conductor and the magnetic core. A method is provided for manufacturing the molded-forming power inductor. The molding package layer completely covers the prefabricated magnetic core and a part of the conductor except the electrode, the structure is integrally formed, and the leakage magnetic flux is less; when the equivalent magnetic permeability is 60 or more, the equivalent saturation magnetic flux density can be 0.55T or higher; and the space utilization rate is high to facilitate miniaturization of an inductor design.
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公开(公告)号：US20190295760A1
公开(公告)日：2019-09-26
申请号：US15973516
申请日：2018-05-07
发明人： Shengcheng Xia , Youyun Li , Xinshu Yu , Gengxin Xiao
摘要： An inductive element includes a magnetic core, a flat coil wound on a middle column of the magnetic core, and a magnetic plastic package layer covering the magnetic core and the flat coil. Two electrodes connected to two pigtails of the flat coil are exposed outside of the magnetic plastic package layer. The flat coil is configured to enable a width direction of a flat wire of the flat coil to be perpendicular to an axial direction of the middle column of the magnetic core, and the flat wire is stacked layer by layer in the axial direction of the middle column. A manufacturing method for the inductive element is also disclosed herein. By using the wounding method of the flat coil of the inductive element, a height of a product may be reduced while obtaining a same DCR, so that the product is thinner.
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公开(公告)号：US10224984B1
公开(公告)日：2019-03-05
申请号：US15912503
申请日：2018-03-05
发明人： Youyun Li , Yanjun Zhu
摘要： Disclosed is a ceramic back cover used in an electronic device and an electronic device having the ceramic back cover. A wireless charging RX coil is disposed on an inner surface of the ceramic back cover, a groove used for disposing the wireless charging RX coil is in an intermediate region of the inner surface of the ceramic back cover, and at least two wireless charging RX electrode grooves that extend outward separately from an intermediate region of the groove and a marginal region of the groove are formed on the inner surface of the ceramic back cover. Electrodes formed in the at least two wireless charging RX electrode grooves are used as leading-out ends of the wireless charging RX coil disposed in the groove, and two ends of the wireless charging RX coil are welded at the leading-out ends.
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