Patent · US Expired

Tunable microwave arrangements

US7573358B2 · kind B2 · utility

0Cited by

6References

24Claims

0Family size

Assignee

Telefonaktiebolaget LM Ericsson (Publ) · SE

Inventors

Spartak Gevorgian · Handen, SE
Thomas Lewin · Onsala, SE
Dan Kuylenstierna · Handen, SE

Key dates

Filing date	Dec 30, 2003
Grant date	Aug 11, 2009
Priority date	—
Expiry date	Feb 24, 2024

Classification

Technology area (CPC H)Electricity
CPC primaryH01P7/088
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

The present invention relates to a tunable microwave arrangement (10) comprising a microwave/integrated circuit device (11) and a substrate (6). It comprises a layered structure disposed between said microwave/integrated circuit device and said substrate (5), said layered structure acting as a ground plane and it comprises at least one regularly or irregularly patterned first metal layer (1), at least one second metal layer (3), at least one tunable ferroelectric film layer (2), whereby said layers are so arranged that the ferroelectric film layers) (2) is/are provided between the/a first metal layer (1) and the/a second metal layer (3).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.