Method for realizing magnetic circuits in an integrated circuit
US5936298A · kind A · utility
35Cited by
4References
21Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Dec 6, 1996 |
| Grant date | Aug 10, 1999 |
| Priority date | — |
| Expiry date | Dec 6, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/0002
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Inductive structures make highly efficient use of the magnetic flux generd, and are consistent with integrated circuit manufacturing techniques. The structures include electrically conductive layers and interconnecting conductor filled vias to define a helical winding surrounding a closed magnetic core. The magnetic core may also be formed by semiconductor manufacturing techinuqes. A method of making the structures on a semiconductor substrate concurrently with the formation of the integrated circuit itself is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.