Matches 1 - 26 out of 26
Match Document Document Title
7427819 Film-bulk acoustic wave resonator with motion plate and method  
An apparatus and method for measuring a target environmental variable (TEV) that employs a film-bulk acoustic resonator with motion plate. The film-bulk acoustic resonator (FBAR) includes an...
7425787 Acoustic galvanic isolator incorporating single insulated decoupled stacked bulk acoustic resonator with acoustically-resonant electrical insulator  
Embodiments of the acoustic galvanic isolator comprise a carrier signal source, a modulator connected to receive an information signal and the carrier signal, a demodulator, and an...
7424772 Stacked bulk acoustic resonator band-pass filter with controllable pass bandwidth  
The band-pass filter has a stacked pair of film bulk acoustic resonators (FBARs) and an acoustic decoupler between the FBARs. Each of the FBARs has opposed planar electrodes and a layer of...
7423503 Acoustic galvanic isolator incorporating film acoustically-coupled transformer  
Embodiments of the acoustic galvanic isolator comprise a carrier signal source, a modulator connected to receive an information signal and the carrier signal, a demodulator, and, connected between...
7408428 Temperature-compensated film bulk acoustic resonator (FBAR) devices  
The temperature-compensated film bulk acoustic resonator (FBAR) device comprises an FBAR stack. The FBAR stack comprises an FBAR and a temperature-compensating element. The FBAR is characterized by...
7400217 Decoupled stacked bulk acoustic resonator band-pass filter with controllable pass bandwith  
The band-pass filter has an upper film bulk acoustic resonator (FBAR), an upper FBAR stacked on the lower FBAR, and, between the FBARs, an acoustic decoupler comprising a layer of acoustic...
7391286 Impedance matching and parasitic capacitor resonance of FBAR resonators and coupled filters  
A film acoustically-coupled transformer (FACT) has a first and a second stacked bulk acoustic resonator (SBAR 1 , SBAR 2 ). Each SBAR has a stacked pair of film bulk acoustic resonators (FBARs)...
7391285 Film acoustically-coupled transformer  
One embodiment of the film acoustically-coupled transformer (FACT) includes a decoupled stacked bulk acoustic resonator (DSBAR) having a lower film bulk acoustic resonator (FBAR) an upper FBAR...
7388455 Film acoustically-coupled transformer with increased common mode rejection  
The film acoustically-coupled transformer (FACT) has a first and second decoupled stacked bulk acoustic resonators (DSBARs). Each DSBAR has a lower film bulk acoustic resonator (FBAR), an upper...
7388454 Acoustic resonator performance enhancement using alternating frame structure  
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 electrode is...
7380320 Piezoelectric device and method of manufacturing the device  
A piezoelectric device includes a substrate, a buffer layer on the substrate, a lower electrode layer on the buffer layer, a piezoelectric layer on the lower electrode layer, and an upper electrode...
7369013 Acoustic resonator performance enhancement using filled recessed region  
An acoustic resonator that includes a substrate, a first electrode, a layer of piezoelectric material, a second electrode, and a fill region. The first electrode is adjacent the substrate, and the...
7367095 Method of making an acoustically coupled transformer  
Embodiments of an acoustically-coupled transformer have a first stacked bulk acoustic resonator (SBAR) and a second SBAR. Each of the SBARs has a lower film bulk acoustic resonator (FBAR) and an...
7362198 Pass bandwidth control in decoupled stacked bulk acoustic resonator devices  
The decoupled stacked bulk acoustic resonator (DSBAR) device has a lower film bulk acoustic resonator (FBAR), an upper FBAR stacked on the lower FBAR, and an acoustic decoupler between the FBARs....
7358831 Film bulk acoustic resonator (FBAR) devices with simplified packaging  
The encapsulated film bulk acoustic resonator (FBAR) device comprises a substrate, an FBAR stack over the substrate, an element for acoustically isolating the FBAR stack from the substrate,...
7332985 Cavity-less film bulk acoustic resonator (FBAR) devices  
The film bulk acoustic resonator (FBAR) device comprises a substrate, an acoustic Bragg reflector over the substrate, a piezoelectric element over the acoustic Bragg reflector, and a remote-side...
7276994 Piezoelectric thin-film resonator, piezoelectric filter, and electronic component including the piezoelectric filter  
A piezoelectric thin-film resonator includes a supporting substrate. A piezoelectric thin-film is formed on the supporting substrate. A lower electrode and an upper electrode are formed with the...
7212084 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Piezoelectric thin-film resonator, piezoelectric filter, and electronic component including the piezoelectric filter  
A piezoelectric thin-film resonator includes a supporting substrate. A piezoelectric thin-film is formed on the supporting substrate. A lower electrode and an upper electrode are formed with the...
7202560 Wafer bonding of micro-electro mechanical systems to active circuitry  
A single integrated wafer package includes a micro electromechanical system (MEMS) wafer, an active device wafer, and a seal ring. The MEMS wafer has a first surface and includes at least one MEMS...
7161448 Acoustic resonator performance enhancements using recessed region  
An acoustic resonator includes a substrate, a first electrode, a layer of piezoelectric material, a second electrode, and a recessed region. The substrate has a first surface. The first electrode...
7098758 Acoustically coupled thin-film resonators having an electrode with a tapered edge  
Acoustically coupled resonators include a first and a second acoustic resonator. Both the first and second acoustic resonators include a first electrode, a layer of piezoelectric material, and a...
7002437 Piezoelectric thin-film resonator, piezoelectric filter, and electronic component including the piezoelectric filter  
A piezoelectric thin-film resonator includes a supporting substrate. A piezoelectric thin-film is formed on the supporting substrate. A lower electrode and an upper electrode are formed with the...
6903497 Thin film piezoelectric element  
A thin film piezoelectric element including a first structure having a sequential stack of layers, a first main electrode layer, a first opposed electrode layer and a first piezoelectric thin film...
6812619 Resonator structure and a filter comprising such a resonator structure  
A resonator structure ( 1200, 1300, 1400 ), where a certain wave mode is piezoelectrically excitable, comprises at least two conductor layers ( 110, 120 ) and at least one piezoelectric layer ( 110...
6787970 Tuning of packaged film bulk acoustic resonator filters  
Packaged film bulk acoustic resonators may be tuned after packaging by exposing them to irradiation. In one embodiment, transparent covers may be provided so that the film bulk acoustic resonator...
6548943 Method of producing thin-film bulk acoustic wave devices  
A method of producing a BAW device with reduced spurious resonance, wherein the device comprises a top electrode, a bottom electrode and a piezoelectric layer therebetween. A frame-like structure...
Matches 1 - 26 out of 26