Power inductor and method of manufacturing the same
US9773604B2 · kind B2 · utility
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13Claims
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Key dates
| Filing date | Nov 19, 2015 |
| Grant date | Sep 26, 2017 |
| Priority date | — |
| Expiry date | Nov 19, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F41/046
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A power inductor includes: a substrate on which an internal electrode coil pattern is formed; and composite layers formed by alternately stacking first sheets formed of a mixture of coarse metal powder and fine metal powder and second sheets formed of fine metal powder on the internal electrode coil pattern of the substrate, thereby obtaining high inductance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.