Common mode filter
US9236182B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 1, 2014 |
| Grant date | Jan 12, 2016 |
| Priority date | — |
| Expiry date | May 1, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F2017/0093
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A common mode filter is disclosed. The common mode filter provided by the present invention includes: a magnetic substrate; a coil layer formed on the magnetic substrate and including a coil pattern; an external electrode formed on the coil layer so as to be electrically connected with the coil pattern; a ground electrode formed on the coil layer and configured to discharge static electricity brought in to the external electrode; a post formed on each of the external electrode and the ground electrode; and an electrostatic discharge member formed between the external electrode and the ground electrode so as to cover a side surface of the post and configured to discharge static electricity brought in to the external electrode to the ground electrode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.