Ferrite manganese-magnesium-zinc material for power-type inductors, and application thereof

An inductor and ferrite technology, applied in the field of new materials, can solve the problems of high cost and unsatisfactory magnetic permeability, and achieve the effect of low production cost and high insulation resistivity

Active Publication Date: 2011-03-16
南通大东电子有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The rapid development of the electronics industry is generally used in cathode ray displays, liquid crystal displays, plasma displays, digital cameras, and other electronic equipment and communication equipment.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0018] A ferrite manganese, magnesium and zinc material for power inductors, which is obtained by mixing and calcining iron oxide, magnesium oxide, zinc oxide and manganese oxide, adding auxiliary materials, and pressing and molding after conventional sand grinding, drying and granulation .

[0019] Iron oxide, magnesium oxide, zinc oxide, manganese oxide four kinds of material consumption percentages are:

[0020] Iron oxide 45~50mol% (for example 45mol%, 48mol%, 50mol%)

[0021] Magnesium oxide 25~35mol% (eg 25mol%, 30mol%, 35mol%)

[0022] Zinc oxide 15~20mol% (eg 15mol%, 17mol%, 20mol%)

[0023] Manganese oxide 5-10mol% (eg 5mol%, 8mol%, 10mol%);

[0024] The sum of the amounts of the four materials is 100%;

[0025] Described auxiliary material and the consumption relative to the sum of above-mentioned four kinds of materials are:

[0026] CuO 1~2wt% (eg 1wt%, 1.5wt%, 2wt%)

[0027] Bi 2 o 3 1~2wt% (eg 1wt%, 1.5wt%, 2wt%).

[0028] Application of the above-menti...

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Abstract

The invention discloses a ferrite manganese-magnesium-zinc material for power-type inductors, and application thereof. The material is obtained by mixing and calcining iron oxide, magnesium oxide, zinThe invention discloses a ferrite manganese-magnesium-zinc material for power-type inductors, and application thereof. The material is obtained by mixing and calcining iron oxide, magnesium oxide, zinc oxide and manganese oxide, adding auxiliary materials, conventionally grinding, drying and granulating the mixture and then pressing the obtained material. The material has the advantages of low proc oxide and manganese oxide, adding auxiliary materials, conventionally grinding, drying and granulating the mixture and then pressing the obtained material. The material has the advantages of low production cost, high magnetic flux density (Bs up to 4,000 G), high Curie temperature (Tc up to 210 DEG C) and high insulation resistivity [up to 10<3>M omega (500 V)], and can be widely applied to theduction cost, high magnetic flux density (Bs up to 4,000 G), high Curie temperature (Tc up to 210 DEG C) and high insulation resistivity [up to 10<3>M omega (500 V)], and can be widely applied to thepreparation of power-inductor magnetic cores and other materials.preparation of power-inductor magnetic cores and other materials.

Description

Technical field: [0001] The present invention relates to a new type of material. Background technique: [0002] With the rapid development of the electronics industry, it is generally used in cathode ray displays, liquid crystal displays, plasma displays, digital cameras, and other electronic equipment and communication equipment. The material of the power supply is nickel-zinc material, but it has defects such as high cost and unsatisfactory magnetic permeability. . Invention content: [0003] The object of the present invention is to provide a ferrite manganese magnesium zinc material and application of a power type inductor with high magnetic flux density and low production cost. [0004] Technical solution of the present invention is: [0005] A ferrite manganese, magnesium and zinc material for power inductors, characterized in that it is calcined by mixing iron oxide, magnesium oxide, zinc oxide and manganese oxide, then adding auxiliary materials, and after being ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01F1/36C04B35/622H01F1/34C04B35/26
Inventor 陈栋
Owner 南通大东电子有限公司
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