B Garcia, J Koskela, RB Hammond, P Turner… - US Patent …, 2024 - Google Patents
Acoustic resonators and filter devices. An acoustic resonator includes a piezoelectric plate having front and back surfaces, a portion of the piezoelectric plate forming a diaphragm, a …
B Ivira, T Jamneala, D Figueredo - US Patent 10,177,736, 2019 - Google Patents
ABSTRACT A bulk acoustic wave (BAW) resonator includes: a plurality of acoustic reflectors disposed in a substrate; a lower elec trode disposed over the plurality of acoustic reflectors; …
LD Hou, K Pan, SK Wang - US Patent App. 17/240,943, 2021 - Google Patents
Devices and processes for preparing devices are described for a bulk acoustic wave resonator. A stack formed over a substrate includes a piezoelectric film element, a first (eg …
LD Hou, KM Pan, SK Wang - US Patent 11,764,750, 2023 - Google Patents
Devices and processes for preparing devices are described for a bulk acoustic wave resonator. A stack includes a first electrode that is coupled to a first side of a piezoelectric …
B Garcia - US Patent 11,990,888, 2024 - Google Patents
Acoustic resonator devices, filters, and methods are disclosed. An acoustic resonator includes a substrate and a lithium niobate (LN) plate having front and back surfaces and a …
JJ Caron, T Jibu, BP Abbott - US Patent 11,177,787, 2021 - Google Patents
Aspects of this disclosure relate to acoustic wave filters that include a Lamb wave resonator and a second acoustic wave resonator that is a different type of acoustic wave resonator …
LD Hou, AM Vigo, SK Wang - US Patent 12,021,498, 2024 - Google Patents
A bulk acoustic (BAW) resonator having a multilayer base and method of fabricating the bulk acoustic resonator is disclosed. A BAW resonator comprises a substrate having a cavity and …
SK Wang, LD Hou, KM Pan, ACH Chen… - US Patent …, 2024 - Google Patents
A bulk acoustic wave (BAW) resonator includes a substrate, a stack over the substrate and including a piezoelectric layer disposed between two electrode layers, and one or more …
B Garcia - US Patent 12,028,040, 2024 - Google Patents
Acoustic resonator devices and filters. An acoustic resonator includes a substrate and a lithium niobate plate. A back surface of the lithium niobate plate faces the substrate. A …