COMMON MODE CHOKE COIL AND MANUFACTURING METHOD THEREFOR

PROBLEM TO BE SOLVED: To provide a common mode choke coil in which migration between conductor coils is prevented effectively, and both the increase in wiring resistance of the conductor coil and the decrease in specific resistance of a magnetic layer are prevented effectively.SOLUTION: In a common...

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Bibliographische Detailangaben
Hauptverfasser:	KITAMURA MIHO, NAKAMURA TERUHIRO, YAMAMOTO ATSUSHI, KUDO NORIZANE
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE BASIC ELECTRIC ELEMENTS CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INDUCTANCES LIME, MAGNESIA MAGNETS METALLURGY REFRACTORIES SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SLAG TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TRANSFORMERS TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a common mode choke coil in which migration between conductor coils is prevented effectively, and both the increase in wiring resistance of the conductor coil and the decrease in specific resistance of a magnetic layer are prevented effectively.SOLUTION: In a common mode choke coil (10) where a nonmagnetic layer and a second magnetic layer are laminated on a first nonmagnetic layer, and two conductor coils facing each other are included in the nonmagnetic layer, the nonmagnetic layer (3) is composed of sintered glass ceramic, the conductor coils (2, 4) are composed of a conductor containing copper, and at least one of the first magnetic layer (1) and second magnetic layer (5) is composed of a sintered ferrite material containing Fe, Mn, Ni, Zn, and Cu. In the sintered ferrite material, the CuO-converted content of Cu is 5 mol% or less, the FeO-converted content of Fe is 25-47 mol%, the MnO-converted content of Mn is 1-7.5 mol%, or the FeO-converted content of Fe is 35-45 mol% and the MnO-converted content of Mn is 7.5-10 mol%.