Oxide magnetic material and coil part using the same
First Claim
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1. An oxide magnetic material comprising:
- a composition containing 46.0 to 50.0 mol % of Fe2O3, 20.0 to 30.0 mol % of ZnO, 7.1 to 10.0 mol % of CuO, 1.0 or less mol % of MgO, and a residual of NiO.
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Abstract
An oxide magnetic material is made of a composition containing 46.0 to 50.0 mol % of Fe2O3, 20.0 to 30.0 mol % of ZnO, 7.1 to 10.0 mol % of CuO, 1.0 or less mol % (excluding 0 mol %) of MgO, and a residual of NiO. A coil part has a core made of this oxide magnetic material.
11 Citations
4 Claims
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1. An oxide magnetic material comprising:
a composition containing 46.0 to 50.0 mol % of Fe2O3, 20.0 to 30.0 mol % of ZnO, 7.1 to 10.0 mol % of CuO, 1.0 or less mol % of MgO, and a residual of NiO. - View Dependent Claims (2)
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3. A coil part comprising:
a core made of an oxide magnetic material including a composition containing 46.0 to 50.0 mol % of Fe2O3, 20.0 to 30.0 mol % of ZnO, 7.1 to 10.0 mol % of CuO, 1.0 or less mol % of MgO, and a residual of NiO. - View Dependent Claims (4)
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Current AssigneeTDK Corporation
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Original AssigneeTDK Corporation
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InventorsSaito, Yutaka, Yokoyama, Ryo
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Application NumberUS10/068,863Publication NumberTime in Patent OfficeDaysField of SearchUS Class Current252/62.56CPC Class CodesC04B 35/265 Compositions containing one...H01F 1/344 Ferrites, e.g. having a cub...H01F 17/045 with core of cylindric geom...H01F 27/027 specially adapted for combi...H01F 27/292 Surface mounted devices
