Manufacturing method of an integrally formed inductor
US12148564B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 18, 2021 |
| Grant date | Nov 19, 2024 |
| Priority date | — |
| Expiry date | May 2, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F2017/048
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A manufacturing method of an integrally formed inductor, comprises: sintering a soft magnetic material to prepare a magnetic core plate with a plurality of grooves; respectively putting hollow coils into the plurality of grooves; putting a magnetic core plate provided with coils into a forming die, adding a soft magnetic material in a fluid state, and integrally forming the soft magnetic material in the fluid state on the magnetic core plate through pressing; coating semi-finished inductors with an insulating material to form an insulating coating layer, and exposing only two terminals of the coils; areas where the coil terminals are exposed on a surface of the insulating coating layer being metallized to form electrodes of the integrally formed inductor. Therefore, the disclosure provides a manufacturing method of an integrally formed inductor which is subminiature in size, ultra-thin and high in reliability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.