Transformer former between two layout layers
US6914509B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 2, 2003 |
| Grant date | Jul 5, 2005 |
| Priority date | — |
| Expiry date | Aug 18, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F17/0033
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A printed circuit transformer includes a first wiring layer, a second wiring layer, a primary conductive coil including a first conductive trace, a second conductive trace, a third conductive trace, and a fourth conductive trace, which are on the first wiring layer or the second wiring layer, a first via plug, a second via plug, and a third via plug for connecting the ends of the conductive traces in the primary conductive coil, and a secondary conductive coil including a fifth conductive trace, a sixth conductive trace, a seventh conductive trace, and a eighth conductive trace, which are on the first wiring layer or the second wiring layer, a fourth via plug, a fifth via plug, and a sixth via plug for connecting the ends of the conductive traces in the secondary conductive coil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.