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2. 发明授权

US06480084B1 Inductance element and manufacturing method thereof, and snubber using thereof 有权
标题翻译：电感元件及其制造方法以及使用其的缓冲器
公开(公告)号：US06480084B1
公开(公告)日：2002-11-12
申请号：US09606188
申请日：2000-06-29
申请人： Tadao Saito , Yasuaki Moriya , Kazumi Sakai , Takao Kusaka
发明人： Tadao Saito , Yasuaki Moriya , Kazumi Sakai , Takao Kusaka
IPC分类号： H01F2730
CPC分类号： H01F17/04 , H01F37/00
摘要： An inductance element comprises a coil having a hollow portion opened at both ends and provided with a winding of which number of turns (N) per length 10 mm is 20 or more and 500 or less, and a core having a single layer or a plurality of layers of magnetic ribbon of a thickness of 4 &mgr;m or more and 50 &mgr;m or less and a width of 2 mm or more and 40 mm or less, at least part thereof being disposed in the hollow portion. In such an inductance element, a ratio (N/n) of a number of turns (N) of the coil per length 10 mm to a number of layers (n) of the magnetic ribbon is set at 20 or more and 500 or less. The magnetic ribbon, for instance in a state disposed in the hollow portion of the coil, has an open magnetic circuit structure. Instead, the magnetic ribbon, by disposing penetrating the hollow portion and magnetically connecting both ends thereof, forms a closed magnetic circuit loop. Such an inductance element possesses excellent inductance characteristics and is good in winding efficiency.
摘要翻译：电感元件包括具有在两端开口的中空部分的线圈，并且设置有每个长度10mm的匝数（N）为20以上且500以下的绕组，以及具有单层或多层的芯的厚度为4μm以上且50μm以下，宽度为2mm以上且40mm以下的磁性层的至少一部分设置在中空部中。在这种电感元件中，每个长度10mm的线圈的匝数（N）与磁带的层数（n）的比（N / n）设定为20以上且500以下。例如，在设置在线圈的中空部分的状态下的磁带具有开放的磁路结构。相反，磁带通过穿透中空部分并且磁性地连接其两端而形成闭合的磁路回路。这种电感元件具有优异的电感特性，绕组效率好。

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