Patent · US Expired

Low-loss electro-acoustic component

US7692515B2 · kind B2 · utility

4Cited by

24References

18Claims

0Family size

Assignee

EPCOS AG · DE

Inventors

Markus Hauser · Feldafing, DE
Michael Jakob · Birkenfeld, DE
Ulrike Roesler · Hebertshausen, DE
Werner Ruile · Birkenfeld, DE

Key dates

Filing date	Jun 7, 2005
Grant date	Apr 6, 2010
Priority date	—
Expiry date	Feb 1, 2026

Classification

Technology area (CPC H)Electricity
CPC primaryH03H9/14538
WIPO fieldBasic communication processes
WIPO sectorElectrical engineering

Abstract

A component includes a filter having a first structure and a second structure. The component also includes a substrate on which the first and second structures are arranged. The first structure has an approximately uniform layer thickness and an approximately uniform composition. The second structure has an approximately uniform layer thickness and an approximately uniform composition. At least one of the layer thickness or composition of the first structure differs from the layer thickness or composition of the second structure.

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