Patent · US Active

Piezoelectric component and method for producing it

US7479851B2 · kind B2 · utility

4Cited by

11References

20Claims

0Family size

Assignee

AVAGO TECHNOLOGIES WIRELESS IP (SINGAPORE) PTE. LTD. · SG

Inventors

Robert Aigner · Winter Garden, US
Stephan Marksteiner · Putzbrunn, DE
Winfried Nessler · Munich, DE

Key dates

Filing date	Oct 31, 2007
Grant date	Jan 20, 2009
Priority date	—
Expiry date	Oct 31, 2027

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49128
WIPO fieldBasic communication processes
WIPO sectorElectrical engineering

Abstract

A piezoelectric component comprises at least two stacked crystal filters on a substrate. Each stacked crystal filter comprises a bottom electrode, a first piezoelectric layer arranged above the bottom electrode, a central electrode arranged above the first piezoelectric layer, a second piezoelectric layer arranged above the central electrode, and a top electrode arranged above the second piezoelectric layer. The bottom electrodes are directly connected to one another and the central electrodes are directly connected to one another.

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