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1. 发明专利

JP2013110184A Surface-mounted inductor manufacturing method and surface-mounted inductor 审中-公开
标题翻译：表面安装电感器制造方法和表面安装电感
公开(公告)号：JP2013110184A
公开(公告)日：2013-06-06
申请号：JP2011252366
申请日：2011-11-18
申请人： Toko Inc , 東光株式会社
发明人： MUNEUCHI KEITA , SASAMORI KUNIO
IPC分类号： H01F41/04 , H01F17/04 , H01F27/29 , H01F41/02 , H01F41/10
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a surface-mounted inductor whose size is reduced and moldability is enhanced.SOLUTION: A surface-mounted inductor manufacturing method according to the present invention uses a coil obtained by winding a conductor, whose cross section has a rectangular shape, a sealant containing a resin and magnetic material powder, and a guide member molded using a resin or ceramics into a flat plate shape where columnar protrusion parts are formed in peripheral edge parts of the flat plate shape. The coil is mounted on the guide member and is loaded into a molding die while setting both end parts of the coil to extend along outer side surfaces of the columnar protrusion parts of the guide member. A molded body is obtained by sealing the coil and the guide member with a sealant using a resin molding method or a powder compaction molding method under a state where both end parts of the coil are sandwiched between the outer side surfaces of the columnar protrusion parts of the guide member and an inner wall surface of the molding die. Both end parts of the coil are at least partially exposed to a surface of the molded body and external electrodes connected to exposed parts of both end parts of the coil are provided for the surface or an outer periphery of the molded body.
摘要翻译：要解决的问题：提供一种制造尺寸减小并且成型性提高的表面安装电感器的方法。解决方案：根据本发明的表面安装电感器制造方法使用通过卷绕横截面为矩形的导体获得的线圈，包含树脂和磁性材料粉末的密封剂，以及使用在平板状的周缘部形成有柱状突起部的平板状的树脂或陶瓷。线圈安装在引导构件上并被装载到模具中，同时设置线圈的两个端部沿引导构件的柱状突出部分的外侧表面延伸。通过使用树脂成型法或粉末压制成形法在线圈的两端部被夹在柱状突出部的外侧面的状态下，用密封剂密封线圈和引导部件，得到成型体引导构件和成型模具的内壁表面。线圈的两个端部至少部分地暴露于成型体的表面，并且连接到线圈的两个端部的露出部分的外部电极被设置在成型体的表面或外周。版权所有（C）2013，JPO＆INPIT

2. 发明专利

JP2013098282A Plane mounting inductor 有权
标题翻译：平面安装电感
公开(公告)号：JP2013098282A
公开(公告)日：2013-05-20
申请号：JP2011238394
申请日：2011-10-31
申请人： Toko Inc , 東光株式会社
发明人： MUNEUCHI KEITA
IPC分类号： H01F27/29 , H01F17/04 , H01F27/32
摘要： PROBLEM TO BE SOLVED: To provide a plane mounting inductor with small sized bottom surface electrode structure.SOLUTION: A plane mounting inductor comprises: a coil having plane surface at both ends thereof; two or more notches; a magnetic body core 8 having an upper surface and a bottom surface in different length with each other and including the coil therein; and an outside electrode 9 formed by conductor paste on a surface of the magnetic body core. At least a part of each end of coil is buried, at the same time, sealed to expose them on the surface of the magnetic body core. At least an upper surface of the magnetic core does not have the outer electrode formed thereon.
摘要翻译：要解决的问题：提供具有小尺寸底表面电极结构的平面安装电感器。解决方案：平面安装电感器包括：线圈，其两端具有平面; 两个或多个凹口; 磁体芯8，具有彼此不同长度的上表面和底表面，并且在其中包括线圈; 以及由导体糊形成在磁性体芯的表面上的外部电极9。将线圈的每个端部的至少一部分埋入，同时密封以将其暴露在磁性体芯的表面上。磁芯的至少上表面不具有形成在其上的外部电极。版权所有（C）2013，JPO＆INPIT

3. 发明专利

JP2012004343A Coil component and manufacturing method of the same 有权
标题翻译：线圈组件及其制造方法
公开(公告)号：JP2012004343A
公开(公告)日：2012-01-05
申请号：JP2010138015
申请日：2010-06-17
申请人： Toko Inc , 東光株式会社
发明人： MUNEUCHI KEITA , KITO YUSUKE , OHAGA TAKEO , YANO TAKASHI
IPC分类号： H01F37/00 , H01F17/04 , H01F27/32 , H01F41/12
CPC分类号： H01F17/045 , H01F27/327 , H01F2017/048 , Y10T29/4902 , Y10T29/49071
摘要： PROBLEM TO BE SOLVED: To provide a coil component whose core is hard to be damaged even if magnetic powder content resin expands or contracts since the coil component where a periphery of winding and a space sandwiched between a pair of flange portions are covered with the magnetic powder content resin has a problem in terms of long-term reliability that thermosetting resin expands and contracts due to a temperature change and the flange portion fatigues and is damaged, and to provide a manufacturing method of the coil component.SOLUTION: The manufacturing method of the coil component includes: a step for applying release agent for installing a gap in at least one face of confronted faces of a pair of flange portions; a step for winding a winding to a winding core; a step for applying the magnetic powder content resin consisting of thermosetting resin to the space which is the periphery of the winding and sandwiched between a pair of the flange portions; and a step for heating and hardening the magnetic powder content resin in the coil component consisting of a drum core having the winding core portion and the pair of flange portions at both ends in an axial direction of the winding core portion and of the winding wound to the winding core portion for solving the problem.
摘要翻译：要解决的问题：为了提供一种线圈部件，即使磁性粉末含量树脂膨胀或收缩也难以损坏其线圈部件，其中卷绕周边和夹在一对凸缘部分之间的空间被覆盖磁性粉末含量树脂在热固性树脂由于温度变化而膨胀和收缩以及法兰部分疲劳并损坏的长期可靠性方面存在问题，并且提供了线圈部件的制造方法。线圈部件的制造方法包括：在一对凸缘部的面对面的至少一个面上施加用于安装间隙的脱模剂的工序; 将绕组卷绕到卷芯上的步骤; 将由热固性树脂构成的磁性粉末含量树脂施加到作为绕组周围的空间并夹在一对凸缘部之间的步骤; 以及在卷绕芯部的轴向两端具有卷绕芯部和一对凸缘部的鼓芯组成的线圈部件中加热固化磁性粉末含量树脂的步骤，用于解决问题的绕组芯部分。版权所有（C）2012，JPO＆INPIT

4. 发明专利

JP2014225590A 面実装インダクタの製造方法有权
标题翻译：制造表面安装电感的方法
公开(公告)号：JP2014225590A
公开(公告)日：2014-12-04
申请号：JP2013104668
申请日：2013-05-17
申请人：東光株式会社 , Toko Inc
发明人： MUNEUCHI KEITA , TOTSUKA MASAAKI , SAKAI SENJU , SASAMORI KUNIO
IPC分类号： H01F41/10 , H01F17/04 , H01F27/29
CPC分类号： 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
摘要：【課題】高湿環境下でも素体への固着強度が強い外部電極を有する面実装インダクタの製造方法を提供する。【解決手段】導線を巻回してコイルを形成する。主に金属磁性粉粉末と樹脂とからなる封止材を用いて、コイルを内包し、且つ、コイルの両端部の少なくとも一部がその表面上に露出するようにコア部2を形成する。また、このコア部の外部電極を形成する部分の少なくとも一部は、表面の平滑度をその周囲の表面の平滑度よりも低下させる。このコア部にコイルと導通する外部電極を形成する。【選択図】図3
摘要翻译：要解决的问题：提供一种制造表面安装电感器的方法，其包括即使在高湿度环境下也具有对元件组件具有强固定强度的外部电极。解决方案：通过缠绕导线形成线圈。芯部2形成为以主要包含金属磁性粉末和树脂的密封材料用于容纳线圈，并且线圈的两个端部的至少一部分在其表面上露出。形成芯部的外部电极的部分的至少一部分具有比周围的表面平滑度更低的表面平滑度。与线圈电连接的外部电极形成在芯部中。

5. 发明专利

JP2013211333A Method of manufacturing surface mount inductor 有权
标题翻译：制造表面电感器的方法
公开(公告)号：JP2013211333A
公开(公告)日：2013-10-10
申请号：JP2012079242
申请日：2012-03-30
申请人： Toko Inc , 東光株式会社
发明人： MUNEUCHI KEITA , TOTSUKA MASAAKI , SASAMORI KUNIO
IPC分类号： H01F41/10 , H01F27/02 , H01F27/29
CPC分类号： H01F41/02 , H01F27/292 , H01F2017/048 , Y10T29/49071
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a surface mount inductor having an external electrode exhibiting high connection reliability even under a high humidity environment.SOLUTION: In the method of manufacturing a surface mount inductor, a coil is formed by winding a conductor having self-bonding coat. The coil is enclosed using a sealant principally composed of metal magnetic powder and resin, and a core is formed so that both ends of the coil are exposed at least partially onto the surface thereof. The surface of the core is coated with conductive paste containing metallic fine particles having a sintering temperature of 250°C or lower. The core is then heat treated and the metallic fine particles are sintered. A base electrode is thereby formed on the surface of the core and connected electrically with the coil.
摘要翻译：要解决的问题：提供一种即使在高湿度环境下也具有表现出高连接可靠性的外部电极的表面安装电感器的制造方法。在制造表面安装电感器的方法中，通过将导线具有自粘性外套。使用主要由金属磁性粉末和树脂构成的密封剂封闭线圈，并且形成芯部，使得线圈的两端至少部分地暴露在其表面上。芯的表面涂覆有包含烧结温度为250℃以下的金属微粒的导电膏。然后对芯进行热处理，并将金属微粒烧结。因此，在芯的表面上形成基极，并与线圈电连接。

6. 发明专利

JP2013211330A Method of manufacturing surface mount multiphase inductor 有权
标题翻译：制造表面安装多相电感器的方法
公开(公告)号：JP2013211330A
公开(公告)日：2013-10-10
申请号：JP2012079239
申请日：2012-03-30
申请人： Toko Inc , 東光株式会社
发明人： SAITO KOICHI , MUNEUCHI KEITA
IPC分类号： H01F41/02 , H01F17/04 , H01F37/00
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a surface mount multiphase inductor.SOLUTION: In the method of manufacturing a surface mount multiphase inductor, a plurality of coils are sealed of a sealant principally composed of resin and magnetic powder. A plurality of tablets are formed by preliminarily molding the sealant into a planar shape having a columnar protrusion at the peripheral part. A coil is formed by winding a conductor. The coil is mounted on the tablet, both ends of the coil are extended along the outer side face of the columnar protrusion of a tablet, and a plurality of such structures are arranged for one cabinet in a molding die. While holding both ends of a coil between the outer side face of the columnar protrusion of a tablet, and the inner wall surface of the cavity, the coil and the sealant are integrated using a resin molding method or a dust molding method thus forming the core. An external electrode for connection with a part on the surface of the core where both ends of the coil are exposed at least partially is provided on the surface or the outer periphery of the core.
摘要翻译：要解决的问题：提供一种制造表面贴装多相电感器的方法。解决方案：在制造表面贴装多相电感器的方法中，多个线圈由主要由树脂和磁粉组成的密封剂密封。通过将密封剂预先模塑成在周边部分具有柱状突起的平面形状来形成多个片剂。通过缠绕导体形成线圈。线圈安装在片剂上，线圈的两端沿着片剂的柱状突起的外侧面延伸，并且多个这样的结构被布置成用于成型模具中的一个机柜。在将片状物的柱状突起的外侧面和空腔的内壁面保持线圈的两端的同时，使用树脂成型法或粉尘成型法将线圈和密封剂一体化，从而形成芯。在芯的表面或外周上设置用于与芯的表面上的部分连接的外部电极，其中线圈的两端至少部分露出。

7. 发明专利

JP2013098283A Manufacturing method for plane mounting inductor 有权
标题翻译：平面安装电感器的制造方法
公开(公告)号：JP2013098283A
公开(公告)日：2013-05-20
申请号：JP2011238395
申请日：2011-10-31
申请人： Toko Inc , 東光株式会社
发明人： MUNEUCHI KEITA
IPC分类号： H01F41/10 , H01F27/29 , H01F41/02
摘要： PROBLEM TO BE SOLVED: To provide manufacturing method for a small sized plane mounting inductor with bottom electrode structure.SOLUTION: A manufacturing method for a plane mounting inductor in the present invention comprises the steps of: creating a coil having place surface at both ends; and creating a magnetic body core, using sealing material made by magnetic powder and resin mainly, having two or more notches, having different length of an upper surface and a bottom surface. At least a part of the end part of coil are buried, at the same time, sealed to expose the plane surface of the ends on surfaces of the notches of the magnetic body core. An outer electrode is formed on a surface of the magnetic body core using conductor paste. At that time, an outer electrode is not formed on the upper surface of the magnetic body core.
摘要翻译：要解决的问题：提供具有底部电极结构的小型平面安装电感器的制造方法。解决方案：本发明的平面安装电感器的制造方法包括以下步骤：在两端形成具有放置面的线圈; 并且使用主要由磁性粉末和树脂制成的密封材料制成具有不同长度的上表面和底表面的具有两个或更多个凹口的磁性体芯。线圈端部的至少一部分被埋入，同时被密封以暴露磁体芯的凹口表面上端部的平面。使用导体膏在磁性体芯的表面上形成外部电极。此时，在磁体芯的上表面上不形成外部电极。版权所有（C）2013，JPO＆INPIT

8. 发明专利

JP2014067991A Surface-mounted inductor 审中-公开
标题翻译：表面安装电感
公开(公告)号：JP2014067991A
公开(公告)日：2014-04-17
申请号：JP2013125284
申请日：2013-06-14
申请人： Toko Inc , 東光株式会社
发明人： SASAMORI KUNIO , TOTSUKA MASAAKI , KAWAUCHI YASUYUKI , MUNEUCHI KEITA , MORI HIROYASU
IPC分类号： H01F17/04 , H01F41/04
CPC分类号： H01F3/08 , H01F17/04 , H01F27/255 , H01F27/292 , H01F2003/106 , H01F2017/048
摘要： PROBLEM TO BE SOLVED: To provide a surface-mounted inductor capable of improving Q of a metal magnetic material at a high frequency and preventing the efficiency from being deteriorated.SOLUTION: The surface-mounted inductor includes a coil 11 formed by winding a coil winding, and a core 12 having a built-in coil and formed by powder-compacting a mixture of a magnetic powder and a binder. The magnetic powder contains a plurality of kinds of magnetic powders having mutually different particle diameters. The plurality of kinds of magnetic powders are mixed so as to satisfy Σan*Φn≤10 μm, where an is the compounding ratio, Φn is the average particle diameter, and n is 2 or over.
摘要翻译：要解决的问题：提供一种能够以高频改善金属磁性材料的Q的表面安装的电感器，并且防止效率降低。解决方案：表面安装的电感器包括线圈11，其通过缠绕线圈绕组，以及具有内置线圈并通过粉末压实磁粉和粘合剂的混合物形成的芯体12。磁粉含有粒径不同的多种磁粉。将多种磁粉混合以满足＆Sgr; a *Φn≤10μm，其中a为配混比，Φn为平均粒径，n为2或更大。

9. 发明专利

JP2014053395A Surface mount inductor 有权
标题翻译：表面安装电感
公开(公告)号：JP2014053395A
公开(公告)日：2014-03-20
申请号：JP2012195826
申请日：2012-09-06
申请人： Toko Inc , 東光株式会社
发明人： SASAMORI KUNIO , TOTSUKA MASAAKI , KAWAUCHI YASUYUKI , MUNEUCHI KEITA , MORI HIROYASU
IPC分类号： H01F1/22 , H01F1/20 , H01F17/04 , H01F27/255
CPC分类号： H01F3/08 , H01F17/04 , H01F27/255 , H01F27/292 , H01F2003/106 , H01F2017/048
摘要： PROBLEM TO BE SOLVED: To solve the problem in which, while in a power supply circuit or a DC/DC converter circuit, there is a tendency that a frequency of an operation signal becomes higher from current 1 to 4 MHz to 6 to 10 MHz, the conventional surface mount inductor has a metal magnetic material whose Q becomes a peak at around 0.5 MHz, and efficiency of the inductor reduces when the frequency exceeds 1 MHz.SOLUTION: The surface mount inductor includes: a coil formed by winding a wire; and a core, formed mainly of a magnetic powder and a resin, that incorporates the coil inside. The magnetic powder includes a plurality of types of magnetic powders mutually different in particle diameter. The plurality of types of magnetic powders are mixed so as to satisfy Σan*Φn≤10 μm, where an is a compounding ratio, Φn is an average particle diameter, and n is 2 or over.
摘要翻译：要解决的问题：为了解决在电源电路或DC / DC转换器电路中存在从电流1至4MHz至6至10MHz的操作信号的频率变高的趋势的问题传统的表面贴装电感器具有金属磁性材料，其Q在约0.5MHz处变为峰值，并且当频率超过1MHz时，电感器的效率降低。解决方案：表面贴装电感器包括：通过缠绕线形成的线圈; 以及内部包含线圈的主要由磁性粉末和树脂形成的芯体。磁粉包括粒径相互不同的多种类型的磁粉。将多种类型的磁粉混合以满足＆Sgr; a *Φn≤10μm，其中a为配混比，Φn为平均粒径，n为2或更大。

10. 发明专利

JP2013045922A Coil component 有权
标题翻译：线圈组件
公开(公告)号：JP2013045922A
公开(公告)日：2013-03-04
申请号：JP2011183384
申请日：2011-08-25
申请人： Toko Inc , 東光株式会社
发明人： SASAMORI KUNIO , KITO YUSUKE , MUNEUCHI KEITA , ARAYA KAZUYUKI
IPC分类号： H01F17/04 , H01F27/02
摘要： PROBLEM TO BE SOLVED: To solve such a problem that when a resin containing magnetic powder is heated in order to harden a coil component filling between flanges, the air confined in an air gap expands to generate bubbles on the outer periphery of the resin containing magnetic powder.SOLUTION: The coil component comprises a drum type core having an upper flange at one end of a winding core and a lower flange at the other end thereof, a winding wound around the outer periphery of the winding core, and a resin containing magnetic powder which fills the outer periphery of the winding between the upper and lower flanges. One or more through holes are provided to penetrate the upper flange between the outer diameter and the inner diameter of the winding.
摘要翻译：解决的问题为了解决这样一个问题，当加热含有磁性粉末的树脂以硬化法兰之间的线圈部件填充时，限制在空气间隙中的空气膨胀以在外部的外周产生气泡含磁粉的树脂。解决方案：线圈部件包括鼓型芯，其在卷芯的一端具有上凸缘，在另一端具有下凸缘，缠绕在卷绕芯的外周上的绕组和包含磁性粉末填充上和下凸缘之间的绕组的外周。提供一个或多个通孔以在绕组的外径和内径之间穿透上凸缘。版权所有（C）2013，JPO＆INPIT

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