Common mode filter
US8994478B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 11, 2014 |
| Grant date | Mar 31, 2015 |
| Priority date | — |
| Expiry date | Apr 11, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/4902
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A common mode filter is disclosed. The common mode filter in accordance with an aspect of the present invention includes: a first dielectric layer having a first groove formed along an outer boundary portion thereof; a second dielectric layer coated on the first dielectric layer so as to cover a first coil laminated on the first dielectric layer, having a first protrusion corresponding to the first groove formed on one surface thereof being in contact with the first dielectric layer, and having a second groove formed on the other surface thereof; and a third dielectric layer coated on the second dielectric layer so as to cover a second coil laminated on the second dielectric layer, having a second protrusion corresponding to the second groove formed on one surface thereof being in contact with the second dielectric layer, and having a third groove formed on the other surface thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.