Patent 7345410 was granted and assigned to Agilent Technologies on March, 2008 by the United States Patent and Trademark Office.
A resonator. The resonator includes a bottom electrode overlaying at least part of a substrate, a composite structure overlaying at least part of the bottom electrode, and a top electrode overlaying at least part of the composite structure. The composite structure comprises a piezoelectric layer and a compensation layer, and the compensation layer includes silicon dioxide combined with boron.