Stacked variable inductor
US6992366B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 29, 2003 |
| Grant date | Jan 31, 2006 |
| Priority date | — |
| Expiry date | Jan 22, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/3011
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed is a stacked variable inductors manufactured by stacking M (M≧2) metal layers on a semiconductor substrate, and provides stacked variable inductors comprising, 1 to N inductors continuously connected in serial, wherein each of said inductors is formed on N (N≦M) metal layers that are different each other; first and second ports each connected to the highest positioned inductor and to the lowest positioned inductor among said 1 to N inductors; and at least one MOSFET, and wherein one terminal of at least one MOSFET is connected to one of the first and second ports, and the other one is connected to one of adjacent terminals connected in serial between 1 to N inductors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.