Acoustic resonator structure comprising a bridge

J Choy, C Feng, P Nikkel - US Patent 8,248,185, 2012 - Google Patents
4,798,990 4,819,215 4,836,882 4,841,429 4,906,840 5,048,036 5,048,038 5,066,925
5,075,641 5,111,157 5,118,982 5,129,132 5,162,691 5,166,646 5,185.589 5,214,392 …

Piezoelectric resonator structures and electrical filters having frame elements

T Jamneala, RC Ruby - US Patent 8,981,876, 2015 - Google Patents
4,344,004 4,355,408 4,456,850 4,529,904 4,608,541 4,625,138 4,633.285 4,640,756
4,719,383 4,769,272 4,798,990 4,819,215 4,836,882 4,841,429 4,906,840 4,933,743 …

Acoustic resonator structure having an electrode with a cantilevered portion

J Choy, C Feng, P Nikkel - US Patent 8,902,023, 2014 - Google Patents
3,610,969 3,826,931 3,845,402 4,084.217 4,172.277 4,272,742 4,281.299 4,320,365
4,344,004 4,355,408 4,456,850 4,529,904 4,608,541 4,625,138 4,640,756 4,719,383 …

Acoustic resonator performance enhancement using selective metal etch and having a trench in the piezoelectric

RS Fazzio, H Feng - US Patent 7,791,434, 2010 - Google Patents
3,174,122 A 3, 1965 Fowler et al. An acoustic resonator that includes a Substrate, a first elec
3,189,851 A 6, 1965 Fowler trode, a layer of piezoelectric material, and a second elec …

Acoustic resonator performance enhancement using alternating frame structure

RC Ruby, RS Fazzio, H Feng, PD Bradley - US Patent 7,714,684, 2010 - Google Patents
Disclosed is an acoustic resonator that includes a Substrate, a first electrode, a layer of
piezoelectric material, a second electrode, and an alternating frame region. The first …

Tunable ultrasound transducers

F Sammoura, SG Kim - US Patent 8,723,399, 2014 - Google Patents
US8723399B2 - Tunable ultrasound transducers - Google Patents US8723399B2 - Tunable
ultrasound transducers - Google Patents Tunable ultrasound transducers Download PDF Info …

Stacked bulk acoustic resonator

AA Shirakawa, P Bradley, D Burak, S Bader… - US Patent …, 2013 - Google Patents
(57) ABSTRACT A stacked bulk acoustic resonator includes a first piezoelec tric layer
stacked on a first electrode, a second electrode stacked on the first piezoelectric layer; a …

Bulk acoustic wave resonator comprising bridge formed within piezoelectric layer

D Burak, P Nikkel, J Kaitila, JD Larson III… - US Patent …, 2015 - Google Patents
(57) ABSTRACT A bulk acoustic wave (BAW) structure includes a first elec trode disposed
over a Substrate, a piezoelectric layer disposed over the first electrode, and a second …

Bulk acoustic wave resonator device comprising a bridge in an acoustic reflector

D Burak, J Choy, P Nikkel - US Patent 9,099,983, 2015 - Google Patents
US9099983B2 - Bulk acoustic wave resonator device comprising a bridge in an acoustic
reflector - Google Patents US9099983B2 - Bulk acoustic wave resonator device comprising …

AC-DC converter circuit and power supply

M Unkrich - US Patent 7,746,677, 2010 - Google Patents
(57) ABSTRACT A power Supply comprises an AC-DC converter circuit, which comprises a
first capacitor and a second capacitor. The converter also comprises a rectifier circuit …