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1. 发明申请

US20050219027A1 Method for manufacturing coil-embedded dust core and coil-embedded dust core 有权
标题翻译：线圈嵌入式防尘芯和线圈嵌入式防尘芯的制造方法
公开(公告)号：US20050219027A1
公开(公告)日：2005-10-06
申请号：US11140348
申请日：2005-05-26
申请人： Sadaki Satoh , Junetsu Tamura , Hideharu Moro , Tsuneo Suzuki
发明人： Sadaki Satoh , Junetsu Tamura , Hideharu Moro , Tsuneo Suzuki
IPC分类号： B22F7/08 , A61B8/08 , H01F17/04 , H01F41/10 , H01F27/02
CPC分类号： A61B8/145 , A61B8/08 , A61B8/4483 , Y10T29/4902 , Y10T29/49071 , Y10T29/49073
摘要： It is an object to provide a method for manufacturing a coil-embedded dust core with a small variation in inductance value with efficiency and the like. A step (a) of charging soft magnetic metal powder including an insulating material, composing a green body 10, so as to cover a coil 1, and a step (b) of compacting the soft magnetic metal powder covering the coil 1 in an axial direction of the coil 1 are included, and in the step (b), the soft magnetic metal powder is compacted while an amount of the soft metal powder charged into the part corresponding to the winding section is kept smaller than an amount of the soft magnetic metal powder charged into the other part that are not corresponding to the winding section, with an upper surface or a lower surface of the winding section as a reference. Thereby, a coil-embedded dust core with entirely uniform density can be obtained, and according to the coil-embedded dust core with entirely uniform density, a variation in inductance value is reduced and it becomes possible to obtain a predetermined inductance value with stability.
摘要翻译：本发明的目的是提供一种制造具有效率等的电感值变化小的线圈嵌入式防尘芯的方法。包括构成生坯体10的绝缘材料的软磁性金属粉末以覆盖线圈1的步骤（a）和将轴向覆盖线圈1的软磁性金属粉末压实的步骤（b）包括线圈1的方向，并且在步骤（b）中，将软磁性金属粉末压实，同时将填充到与绕组部分相对应的部分中的软金属粉末的量保持为小于软磁体的量将卷绕部的上表面或下表面作为基准加入到不对应于卷绕部的另一部分的金属粉末。由此，可以获得密度完全均匀的线圈嵌入式防尘芯，根据密度完全均匀的线圈嵌入式防尘芯，电感值的变化减小，可以稳定地获得规定的电感值。

2. 发明授权

US07415757B2 Method for manufacturing inductor having coil embedded dust core 有权
标题翻译：具有线圈嵌入式集尘芯的电感器制造方法
公开(公告)号：US07415757B2
公开(公告)日：2008-08-26
申请号：US11140348
申请日：2005-05-26
申请人： Sadaki Satoh , Junetsu Tamura , Hideharu Moro , Tsuneo Suzuki
发明人： Sadaki Satoh , Junetsu Tamura , Hideharu Moro , Tsuneo Suzuki
IPC分类号： H01F7/06
CPC分类号： A61B8/145 , A61B8/08 , A61B8/4483 , Y10T29/4902 , Y10T29/49071 , Y10T29/49073
摘要： A method for manufacturing a coil-embedded dust core with a small variation in inductance value with efficiency includes a step (a) of charging soft magnetic metal powder including an insulating material, composing a green body 10, so as to cover a coil 1, and (b) compacting the soft magnetic metal powder covering the coil 1 in an axial direction of the coil 1. In the step (b), the soft magnetic metal powder is compacted while an amount of the soft metal powder charged into the part corresponding to the winding section is kept smaller than an amount of the soft magnetic metal powder charged into the other part that are not corresponding to the winding section, with an upper surface or a lower surface of the winding section as a reference.
摘要翻译：具有效率的电感值变化小的线圈嵌入式防尘芯的制造方法包括对构成生坯体10的包含绝缘材料的软磁性金属粉末进行充电以覆盖线圈1的步骤（a）和（b）在线圈1的轴向压实覆盖线圈1的软磁性金属粉末。在步骤（b）中，软磁金属粉末被压实，而被加入到与绕组部分相对应的部分中的软金属粉末的量保持小于装入另一部分的软磁金属粉末的量不对应于绕组部分，其中绕组部分的上表面或下表面作为参考。

3. 发明申请

US20050030143A9 Method for manufacturing coil-embedded dust core and coil-embedded dust core 审中-公开
标题翻译：线圈嵌入式防尘芯和线圈嵌入式防尘芯的制造方法
公开(公告)号：US20050030143A9
公开(公告)日：2005-02-10
申请号：US10392322
申请日：2003-03-19
申请人： Sadaki Satoh , Junetsu Tamura , Hideharu Moro , Tsuneo Suzuki
发明人： Sadaki Satoh , Junetsu Tamura , Hideharu Moro , Tsuneo Suzuki
IPC分类号： B22F7/08 , A61B8/08 , H01F17/04 , H01F41/10 , H01F5/00
CPC分类号： A61B8/145 , A61B8/08 , A61B8/4483 , Y10T29/4902 , Y10T29/49071 , Y10T29/49073
摘要： It is an object to provide a method for manufacturing a coil-embedded dust core with a small variation in inductance value with efficiency and the like. A step (a) of charging soft magnetic metal powder including an insulating material, composing a green body 10, so as to cover a coil 1, and a step (b) of compacting the soft magnetic metal powder covering the coil 1 in an axial direction of the coil 1 are included, and in the step (b), the soft magnetic metal powder is compacted while an amount of the soft metal powder charged into the part corresponding to the winding section is kept smaller than an amount of the soft magnetic metal powder charged into the other part that are not corresponding to the winding section, with an upper surface or a lower surface of the winding section as a reference. Thereby, a coil-embedded dust core with entirely uniform density can be obtained, and according to the coil-embedded dust core with entirely uniform density, a variation in inductance value is reduced and it becomes possible to obtain a predetermined inductance value with stability.
摘要翻译：本发明的目的是提供一种制造具有效率等的电感值变化小的线圈嵌入式防尘芯的方法。包括构成生坯体10的绝缘材料的软磁性金属粉末以覆盖线圈1的步骤（a）和将轴向覆盖线圈1的软磁性金属粉末压实的步骤（b）包括线圈1的方向，并且在步骤（b）中，将软磁性金属粉末压实，同时将填充到与绕组部分相对应的部分中的软金属粉末的量保持为小于软磁体的量将卷绕部的上表面或下表面作为基准加入到不对应于卷绕部的另一部分的金属粉末。由此，可以获得密度完全均匀的线圈嵌入式防尘芯，根据密度完全均匀的线圈嵌入式防尘芯，电感值的变化减小，可以稳定地获得规定的电感值。

4. 发明授权

US06791445B2 Coil-embedded dust core and method for manufacturing the same 有权
公开(公告)号：US06791445B2
公开(公告)日：2004-09-14
申请号：US10078947
申请日：2002-02-19
申请人： Kazuhiko Shibata , Takashi Nagasaka , Junetsu Tamura , Yasuhiko Kitajima , Hideharu Moro , Tsutomu Chou , Tsuneo Suzuki
发明人： Kazuhiko Shibata , Takashi Nagasaka , Junetsu Tamura , Yasuhiko Kitajima , Hideharu Moro , Tsutomu Chou , Tsuneo Suzuki
IPC分类号： H01F2702
CPC分类号： H01F17/04 , H01F27/027 , H01F41/0246 , H01F41/127 , H01F2017/046 , Y10T29/4902 , Y10T29/49071
摘要： A coil-embedded dust core and a method for manufacturing the coil-embedded dust core are provided. The coil-embedded dust core comprises a coil formed from a flat conductor wound in a coil configuration, and a green body consisting of insulating material-coated ferromagnetic metal particles. This results in a coil-embedded dust core more compact in size but with larger inductance. A rectangular wire can be used as the flat conductor. In addition, parts of the coil may function as terminal sections. In this case, the terminal sections of the coil may be formed wider than other part of the coil. The coil-embedded dust core is less prone to joint failures between a coil and terminal sections and to insulation failures of the coil and the terminal section with respect to the magnetic powder. The coil-embedded dust core is more compact while achieving larger inductance.

5. 发明授权

US06940387B2 Coil-embedded dust core and method for manufacturing the same 有权
标题翻译：线圈式防尘芯及其制造方法
公开(公告)号：US06940387B2
公开(公告)日：2005-09-06
申请号：US10816630
申请日：2004-04-02
申请人： Kazuhiko Shibata , Takashi Nagasaka , Junetsu Tamura , Yasuhiko Kitajima , Hideharu Moro , Tsutomu Chou , Tsuneo Suzuki
发明人： Kazuhiko Shibata , Takashi Nagasaka , Junetsu Tamura , Yasuhiko Kitajima , Hideharu Moro , Tsutomu Chou , Tsuneo Suzuki
IPC分类号： H01F17/04 , H01F27/02 , H01F27/29 , H01F41/02 , H01F41/04 , H01F41/12 , H01F5/00
CPC分类号： H01F17/04 , H01F27/027 , H01F41/0246 , H01F41/127 , H01F2017/046 , Y10T29/4902 , Y10T29/49071
摘要： A coil-embedded dust core and a method for manufacturing the coil-embedded dust core are provided. The coil-embedded dust core comprises a coil formed from a flat conductor wound in a coil configuration, and a green body consisting of insulating material-coated ferromagnetic metal particles. This results in a coil-embedded dust core more compact in size but with larger inductance. A rectangular wire can be used as the flat conductor. In addition, parts of the coil may function as terminal sections. In this case, the terminal sections of the coil may be formed wider than other part of the coil. The coil-embedded dust core is less prone to joint failures between a coil and terminal sections and to insulation failures of the coil and the terminal section with respect to the magnetic powder. The coil-embedded dust core is more compact while achieving larger inductance.
摘要翻译：提供了一种线圈嵌入式防尘芯和一种用于制造线圈嵌入式防尘芯的方法。线圈嵌入式防尘芯包括由缠绕在线圈构造中的扁平导体形成的线圈和由绝缘材料涂覆的铁磁性金属颗粒组成的生坯体。这导致线圈嵌入式防尘芯体的尺寸更小，但电感更大。可以使用矩形线作为扁平导体。此外，线圈的部分可以用作端子部分。在这种情况下，线圈的端子部分可以形成为比线圈的其它部分更宽。线圈嵌入式防尘芯不容易发生线圈和端子部分之间的接合故障，并且线圈和端子部分相对于磁粉的绝缘故障。线圈嵌入式防尘芯更紧凑，同时实现更大的电感。

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