Patent · US Expired

Surface acoustic wave arrangement with a junction region between surface acoustic wave structures having a decreasing then increasing finger period

US6420946B1 · kind B1 · utility

58Cited by

2References

15Claims

0Family size

Assignee

EPCOS AG · DE

Inventors

Thomas Bauer · Schrobenhausen, DE
Günter Kovacs · Birkenfeld, DE
Ulrike Rösler · Hebertshausen, DE
Werner Ruile · Birkenfeld, DE

Key dates

Filing date	Apr 27, 2001
Grant date	Jul 16, 2002
Priority date	—
Expiry date	Apr 27, 2021

Classification

Technology area (CPC H)Electricity
CPC primaryH03H9/02637
WIPO fieldBasic communication processes
WIPO sectorElectrical engineering

Abstract

In order to reduce scattering losses during the transmission of a surface acoustic wave signal, a surface acoustic wave arrangement has a junction between two mutually offset surface acoustic wave structures designed so that the finger period is reduced in the region of the junction, and varies continuously in the region of the junction.

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