Current sensing device and manufacturing method of the same

A current sensing device and a manufacturing method of the same are disclosed. The current sensing device includes: a core having a gap; and a magnetic sensor inserted in the gap. The core includes a first core member and a second core member each made of a grain-oriented magnetic steel sheet having...

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Bibliographische Detailangaben
1. Verfasser:	MIYAHARA NORIO
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INDUCTANCES MAGNETS MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS PRINTED CIRCUITS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 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 TESTING TRANSFORMERS
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Beschreibung
Zusammenfassung:	A current sensing device and a manufacturing method of the same are disclosed. The current sensing device includes: a core having a gap; and a magnetic sensor inserted in the gap. The core includes a first core member and a second core member each made of a grain-oriented magnetic steel sheet having a magnetization easy axis. The first and second core members are stacked into a multiple layer structure so that a direction of the magnetization easy axis of the first core member and that of the second core member are perpendicular to each other. The first core member has a first trap part. The second core member has a second trap part.