TEISONSHITSUSANKABUTSUJISEIZAIRYO
申请公布号:JPH0666178(B2)
申请号:JP19870300169
申请日期:1987.11.30
申请公布日期:1994.08.24
发明人:SHOJI KYOSHI
分类号:H01F1/34;C04B35/38
主分类号:H01F1/34
摘要:PURPOSE:To obtain a low-loss oxide magnetic material such that if it is used at high frequencies of 100kHz or over, its iron loss is small, by containing a zirconium oxide, an aluminum oxide and a sulfur oxide to a low-loss oxide magnetic material. CONSTITUTION:A low-loss oxide magnetic material contains manganese monoxide, zinc oxide and ferric oxide as main ingredients, and contains calcium oxide, silicon dioxide as sub-ingredients. A zirconium oxide, aluminum oxide and sulfur oxide are contained in the low-loss oxide magnetic material. A zirconium oxide is zirconium dioxide, an aluminum oxide is aluminum oxide, and a sulfur oxide is sulfur trioxide. This makes it possible to obtain a low-loss oxide magnetic material such that if it is used at high frequencies of 100kHz or over, its iron loss is small.
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