Common-mode choke coil
US8044753B2 · kind B2 · utility
8Cited by
7References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 23, 2009 |
| Grant date | Oct 25, 2011 |
| Priority date | — |
| Expiry date | Dec 23, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F2017/0093
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A common-mode choke coil includes a core, external electrodes, a pair of wires, and a top plate. The core includes a winding core portion and a pair of flanges at both ends of the winding core portion. The upper surface of the winding core portion and the upper surfaces of the flanges are covered with a metal film. The external electrodes are provided on lower portions of the flanges. A pair of wires are wound on the winding core portion of the core, and the ends of the wires are connected to the external electrodes. The top plate is bonded to the upper surfaces of the flanges preferably via an adhesive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.