LAMINATED COIL COMPONENT

PROBLEM TO BE SOLVED: To provide a laminated coil component in which the loss is reduced on the high frequency side, even when the permeability of an element body is increased.SOLUTION: A laminated coil component 1 includes an element body 2 containing soft magnetic metal powder, and a coil 20 place...

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Main Authors ISHIMA YUYA, TAKAHASHI MASAKI, ENDO TAKASHI, KAWASAKI KUNIHIKO, SATO SHINICHI, NAGAI YUSUKE, TSUNODA KOICHI, SUZUKI TAKASHI, KONDO SHINICHI
Format Patent
LanguageEnglish
Japanese
Published 11.01.2018
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
INDUCTANCES
MAGNETS
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TRANSFORMERS
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Summary:PROBLEM TO BE SOLVED: To provide a laminated coil component in which the loss is reduced on the high frequency side, even when the permeability of an element body is increased.SOLUTION: A laminated coil component 1 includes an element body 2 containing soft magnetic metal powder, and a coil 20 placed in the element body 2. The coil 20 includes multiple coil conductors 21-26 adjoining while separated from each other in the Z direction and electrically connected with each other. When viewing from the Z direction, average particle size of the soft magnetic metal powder located on the inside of the coil 20 is larger than that of the soft magnetic metal powder located between the coil conductors 21-26 adjoining in the Z direction.SELECTED DRAWING: Figure 3 【課題】素体の透磁率が高められる場合でも、高周波数側における損失が低減される積層コイル部品を提供する。【解決手段】積層コイル部品１は、軟磁性金属粉を含む素体２と、素体２内に配置されたコイル２０と、を備え、コイル２０は、Ｚ方向で互いに離間して隣り合い且つ互いに電気的に接続されている複数のコイル導体２１〜２６を含んでおり、Ｚ方向から見てコイル２０の内側に位置する軟磁性金属粉の平均粒子径は、Ｚ方向で互いに隣り合っている各コイル導体２１〜２６の間に位置する軟磁性金属粉の平均粒子径よりも大きい。【選択図】図３
Bibliography:Application Number: JP20160127779