Mixed magnetic powders and the electronic device using the same
AssigneeCyntec Co., Ltd.
InventorsLu-Kuei Lin, Shih-Feng Chien, Po-I Wu
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Abstract
Mixed magnetic powders for making a magnetic core or body is disclosed, wherein the mixed magnetic powders comprises a first magnetic powder and a second magnetic powder, each of the first magnetic powder and the second magnetic powder being made of a soft magnetic material, wherein the average particle diameter of the first magnetic powder is greater than that of the second magnetic powder, and each of the first magnetic powder and the second magnetic powder has a pre-configured particle size distribution for increasing the density of the magnetic body.
Claims20
Mixed magnetic powders for making a magnetic body, comprising:
- a first magnetic powder;
- and
- a second magnetic powder, wherein each of the first magnetic powder and the second magnetic powder is made of a soft magnetic material, and the average particle diameter of the first magnetic powder is greater than that of the second magnetic powder, wherein the ratio of the D50 of the first magnetic powder to the D50 of the second magnetic powder is in the range of 5 to 12, wherein the first magnetic powder weighs 50 to 90 percent of the total weight of the first magnetic powder and the second magnetic powder, and the second magnetic powder weighs 10 to 50 percent of the total weight of the first magnetic powder and the second magnetic powder, wherein each of the first magnetic powder and the second magnetic powder has a pre-configured particle size distribution for increasing the density of the magnetic body.
An electronic device, comprising:
- a magnetic body, comprising:
- a first magnetic powder;
- and
- a second magnetic powder, wherein each of the first magnetic powder and the second magnetic powder is made of a soft magnetic material, and the average particle diameter of the first magnetic powder is greater than that of the second magnetic powder, wherein the ratio of the D50 of the first magnetic powder to the D50 of the second magnetic powder is in the range of 5 to 12, wherein the first magnetic powder weighs 50 to 90 percent of the total weight of the first magnetic powder and the second magnetic powder, and the second magnetic powder weighs 10 to 50 percent of the total weight of the first magnetic powder and the second magnetic powder, wherein each of the first magnetic powder and the second magnetic powder has a pre-configured particle size distribution for increasing the density of the magnetic body;
- and
- a wire, disposed in the magnetic body.
Dependencies are inferred from the claim text.