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Coil component

專利號
US10867743B2
公開日期
2020-12-15
申請人
TAIYO YUDEN CO., LTD.(JP Tokyo)
發(fā)明人
Takayuki Sekiguchi; Ichiro Yokoyama; Masuo Yatabe; Noriyuki Mabuchi; Tomoyuki Oyoshi
IPC分類
H01F27/29; H01F17/00; H01F27/28; H01F27/32; H01F41/04
技術領域
conductor,face,conductors,inductor,body,insulative,in,coil,external,element
地域: Chuo-ku, Tokyo

摘要

In an embodiment, a coil component includes: an element body part 10; a coil conductor 36 constituted by first conductors 32 extending along the pair of end faces 16 and orthogonally to a bottom face 14, as well as second conductors 34 extending from one side, to the other side, of the pair of end faces and thereby connecting the multiple first conductors 32; lead conductor parts 38 electrically connected to two ends of the coil conductor, respectively; and a pair of external electrodes 50 electrically connected to the lead conductor parts; wherein at least one end of the coil conductor is electrically connected, via the lead conductor, to the external electrode at a top face 12 of the element body part; and the coil conductor extends from the at least the one end, using a second conductor, along and near the top face.

說明書

The internal conductor 30 is formed by copper (Cu), aluminum (Al), nickel (Ni), silver (Ag), platinum (Pt), or palladium (Pd) or other metal material or alloy metal material containing the foregoing, for example. The external electrodes 50 are each formed by silver (Ag), copper (Cu), aluminum (Al), nickel (Ni), or other metal material, or by layered films constituted by silver (Ag), copper (Cu), or aluminum (Al), with nickel (Ni) plating and tin (Sn) plating, or by layered films constituted by nickel (Ni) with tin (Sn) plating, for example.

The element body part 10 has a marker part 60 on the top face 12. The marker part 60 may be constituted by dispersing manganese (Mn), molybdenum (Mo), cobalt (Co), or other oxide metal grains in glass, epoxy, silicone, or other resin. It should be noted that, although the marker part 60 may be provided on any face of the element body part 10 other than the top face 12, it is generally not provided on the bottom face 14 which becomes a mounting face. This is because checking the marker part 60 from the outside becomes difficult after mounting. The marker part 60 allows for clear identification of the direction of the element body part 10.

權利要求

1
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