Powder mixture for powder magnetic core, and powder magnetic core
US10923257B2 · kind B2 · utility
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7Claims
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Key dates
| Filing date | Apr 27, 2016 |
| Grant date | Feb 16, 2021 |
| Priority date | — |
| Expiry date | Jun 23, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2991
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention pertains to: a powder mixture for powder magnetic core obtained by mixing a lubricant, a solid lubricant, and a soft magnetic powder coated with an insulating coating, wherein a lubricant content is 0.1% by mass or more and 0.8% by mass and a solid lubricant content is 0.01% by mass or more and 0.2% by mass or less; and a powder magnetic core in which the powder mixture is used.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.