Filter assembly comprising two bulk wave resonators

Details Filter assembly comprising two bulk wave resonators Filter assembly comprising two bulk wave resonators

2005-06-08

2010-10-26

Summons, Barbara (Department: 2817)

Wave transmission lines and networks

Plural channel systems

Having branched circuits

C333S189000

Reexamination Certificate

active

07821357

ABSTRACT:
An arrangement includes a substrate, a filter, a first bulk acoustic wave resonator, a second bulk acoustic wave resonator, and a large surface covering. The first bulk acoustic wave resonator includes a first electrode and a second electrode and is arranged flatly on the substrate. The second bulk acoustic wave resonator includes a first electrode and a second electrode and is arranged flatly on the substrate. The large-surface covering includes a metal layer over the substrate. The metal layer is connected to a ground terminal.

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Written Opinion for PCT/EP2005/006163, mailed Sep. 2005.
International Search Report for PCT/EP2005/006163, mailed Sep. 2005.
Translation of Written Opinion for PCT/EP2005/006163, mailed Sep. 2005.

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