Device and method for providing shielding in radio frequency integrated circuits to reduce noise coupling
US6888063B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 14, 2004 |
| Grant date | May 3, 2005 |
| Priority date | — |
| Expiry date | Apr 14, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/3011
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
Disclosed is a semiconductor radio frequency (RF) device having a shielding structure for minimizing coupling between RF passive components and conductive routing for active components. In one example, the device includes at least one shielding layer formed between the RF passive components and conductive routing. The shielding layer includes at least one opening. In another example, a second shielding layer may be used. The second shielding layer may also have an opening, and the openings in the first and second shielding layers may be offset from one another. The first and second shielding layers may be connected to each other through a guard ring, and may also be connected to a common voltage potential.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.