Coil assembly comprising planar coil
US9027229B2 · kind B2 · utility
6Cited by
6References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 4, 2012 |
| Grant date | May 12, 2015 |
| Priority date | — |
| Expiry date | Jan 4, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49075
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Coil assembly (1) comprising a planar coil (2) comprising a plurality of turns (15) arranged in a trench (10) in a first magnetic core plate (3) and a second magnetic core plate (8), where the first magnetic core plate (3) and second magnetic core plate (8) are in direct contact with each other or separated by an electrically insulating insulator layer (5) with a thickness (t) equal to or less than 50 μm and least one tap (6) extends from the coil (2) in a respective via hole (11) through the first magnetic core plate (3) to a respective contact pad (7), wherein the coil (2) and the tap (6) are integrally formed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.