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公开(公告)号：US09305702B2
公开(公告)日：2016-04-05
申请号：US14015477
申请日：2013-08-30
Applicant: TOKO, INC.
Inventor： Kunio Sasamori , Masaaki Totsuka , Chitoshi Sakai , Naoto Takahashi , Hiroyasu Mori
CPC classification number: H01F41/064 , H01F27/2847 , H01F27/292 , H01F2017/048 , Y10T29/49071
Abstract: [Technical Problem]This invention provides a surface-mount inductor that is capable of positioning a coil in a predetermined position in a mold, thereby to position the coil in a predetermined position of a core and to prevent led-out ends from being buried in the core.[Solution to the Problem]A surface-mount inductor of the present invention comprises: a coil formed by winding a winding wire; and a core containing a magnetic powder and including the coil therein. The coil has opposite led-out ends, each of which is exposed on respective ones of opposed side surfaces of the core. Each of the led-out ends of the coil is connected to an external electrode formed on the core.
Abstract translation: 技术问题本发明提供一种表面贴装电感器，其能够将线圈定位在模具中的预定位置，从而将线圈定位在芯的预定位置，并防止引出端被埋入 核心。 解决问题的方案本发明的表面贴装电感器包括：绕组线形成的线圈; 以及包含磁性粉末并且在其中包括线圈的芯。 线圈具有相对的引出端，每个引出端暴露在芯的相对的相对侧表面上。 线圈的每个引出端连接到形成在芯上的外部电极。
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公开(公告)号：US20140068926A1
公开(公告)日：2014-03-13
申请号：US14080276
申请日：2013-11-14
Applicant: Toko, Inc.
Inventor： Koichi SAITO , Chitoshi Sakai
IPC: H01F41/00
CPC classification number: H01F41/005 , H01F27/292 , H01F27/327 , H01F41/127 , H01F2017/048 , Y10T29/4902 , Y10T29/49069 , Y10T29/4913 , Y10T29/49146
Abstract: A method of producing a surface-mount inductor by encapsulating a coil with an encapsulation material containing a resin and a filler using a mold die assembly is provided. In the method, a tablet and a coil are used. The tablet is prepared by preforming the encapsulation material into a shape having a flat plate-shaped portion and a pillar-shaped convex portion on a peripheral thereof. The coil is a wound conductive wire having a cross-section of rectangular-shape. The coil is placed on the tablet to allow both ends of the coil to extend along an outer side surface of the pillar-shaped convex portion of the tablet. The coil and the encapsulation material are integrated together while clamping the both ends of the coil between an inner wall surface of the mold die assembly and the outer side surface of the pillar-shaped convex portion of the tablet, to form a molded body. External electrodes are formed on a surface of or around an outer periphery of the molded body in such a manner that the external electrodes are electrically connected to the both ends of the coil at least a portion of which is exposed to the surface of the molded body.
Abstract translation: 提供了一种通过使用模具组件将包含树脂和填料的封装材料封装在一起的线圈来制造表面安装电感器的方法。 在该方法中，使用片剂和线圈。 通过将封装材料预成型为在其周边具有平板状部分和柱状凸部的形状来制备片剂。 线圈是具有矩形截面的缠绕导电线。 线圈被放置在片剂上以允许线圈的两端沿着片剂的柱状凸部的外侧表面延伸。 线圈和封装材料在将模具的内壁表面与片剂的柱状凸部的外侧表面夹紧在一起的同时将线圈的两端夹紧在一起，以形成模制体。 外部电极形成在成型体的外周的表面上或外周电极上，使得外部电极电连接到线圈的两端，其至少一部分暴露于成型体的表面 。
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公开(公告)号：US09165710B2
公开(公告)日：2015-10-20
申请号：US14080276
申请日：2013-11-14
Applicant: Toko, Inc.
Inventor： Koichi Saito , Chitoshi Sakai
CPC classification number: H01F41/005 , H01F27/292 , H01F27/327 , H01F41/127 , H01F2017/048 , Y10T29/4902 , Y10T29/49069 , Y10T29/4913 , Y10T29/49146
Abstract: A method of producing a surface-mount inductor by encapsulating a coil with an encapsulation material containing a resin and a filler using a mold die assembly is provided. In the method, a tablet and a coil are used. The tablet is prepared by preforming the encapsulation material into a shape having a flat plate-shaped portion and a pillar-shaped convex portion on a peripheral thereof. The coil is a wound conductive wire having a cross-section of rectangular-shape. The coil is placed on the tablet to allow both ends of the coil to extend along an outer side surface of the pillar-shaped convex portion of the tablet. The coil and the encapsulation material are integrated together while clamping the both ends of the coil between an inner wall surface of the mold die assembly and the outer side surface of the pillar-shaped convex portion of the tablet, to form a molded body. External electrodes are formed on a surface of or around an outer periphery of the molded body in such a manner that the external electrodes are electrically connected to the both ends of the coil at least a portion of which is exposed to the surface of the molded body.
Abstract translation: 提供了一种通过使用模具组件将包含树脂和填料的封装材料封装在一起的线圈来制造表面安装电感器的方法。 在该方法中，使用片剂和线圈。 通过将封装材料预成型为在其周边具有平板状部分和柱状凸部的形状来制备片剂。 线圈是具有矩形截面的缠绕导电线。 线圈被放置在片剂上以允许线圈的两端沿着片剂的柱状凸部的外侧表面延伸。 线圈和封装材料在将模具的内壁表面与片剂的柱状凸部的外侧表面夹紧在一起的同时将线圈的两端夹紧在一起，以形成模制体。 外部电极形成在成型体的外周的表面上或外周电极上，使得外部电极电连接到线圈的两端，其至少一部分暴露于成型体的表面 。
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公开(公告)号：US09659705B2
公开(公告)日：2017-05-23
申请号：US14279032
申请日：2014-05-15
Applicant: TOKO, INC.
Inventor： Keita Muneuchi , Masaaki Totsuka , Chitoshi Sakai , Kunio Sasamori
IPC: H01F41/06 , H01F41/10 , H01F17/04 , H01F41/00 , H01F41/12 , H01F41/076 , H01F41/063 , H01F41/066 , H01F27/29
CPC classification number: H01F41/005 , H01F17/04 , H01F27/292 , H01F41/06 , H01F41/063 , H01F41/066 , H01F41/076 , H01F41/10 , H01F41/127 , H01F2017/048 , Y10T29/4902 , Y10T29/49071 , Y10T29/49073 , Y10T29/49174
Abstract: A method of producing a surface-mount inductor including an external electrode having high fixing strength with respect to an element body even in a high-humidity environment. The method includes the steps of: winding an electrically-conductive wire to form a coil; forming a core using a sealant primarily containing a metal magnetic powder and a resin in such a manner as to encapsulate the coil in the sealant while allowing each of opposite ends of the coil to be at least partially exposed on a surface of the core; reducing smoothness of a surface of at least a part of a portion of the core on which an external electrode is formed as compared to a surface therearound; and forming the external electrode on the core in such a manner as to be electrically conducted with the coil.
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