MAGNETIC CORE FOR MAGNETIC SWITCH

PURPOSE:To enable to obtain a good switching characteristic by a method wherein a magnetic core is formed by winding a thin band of an amorphous magnetic alloy which partially contains a crystal in a fixed range of composition and has a fixed thickness. CONSTITUTION:The magnetic core for a magnetic...

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Hauptverfasser: SHIGETA MASAO, OSHIMA TERUHIKO
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:PURPOSE:To enable to obtain a good switching characteristic by a method wherein a magnetic core is formed by winding a thin band of an amorphous magnetic alloy which partially contains a crystal in a fixed range of composition and has a fixed thickness. CONSTITUTION:The magnetic core for a magnetic switch is formed by winding the thin band of the amorphous magnetic alloy which partially contains the crystal, has the composition shown by Fex(SipBq)y and a thickness of 20mum or less. Where, x+y=100at%; among which y=21-25.5at%; p+q=100%, among which p=40-75%. Further, equations y=0.13p+13.7 are valid. Thereby, the saturable and angular properties improve, the energy loss at a high frequency becomes small, and accordingly the change of characteristics with time becomes small.