How to Piezoelectric substrate?

Variable capacitance element and tunable filter,Band pass filter and duplexer,Duplexer,Method and device for producing piezoelectric transducers

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4 results about "Piezoelectric substrate" patented technology

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A piezoelectric polymer multilayer structure formed on a flexible substrate is investigated for mechanical energy harvesting under bending mode.

Variable capacitance element and tunable filter

ActiveUS20130342285A1Reduce size and thicknessSmall sizeImpedence networksCapacitor with voltage varied dielectricCapacitanceDielectric layer

A variable capacitance element includes a piezoelectric substrate, a buffer layer located on the piezoelectric substrate with an orientation, a dielectric layer located on the buffer layer and having a relative dielectric constant that varies in accordance with an applied voltage, and a first electrode and a second electrode arranged to apply an electric field to the dielectric layer.

Owner:MURATA MFG CO LTD

Band pass filter and duplexer

ActiveUS20170117873A1Increase steepnessImprove isolation characteristicsImpedence networksResonanceBand-pass filter

A band pass filter includes a longitudinally coupled resonator elastic wave filter on a piezoelectric substrate and parallel arm resonators at parallel arms, each connected between a series arm connecting an antenna terminal and a receiving terminal and one of ground terminals. The parallel arm resonators include a first parallel arm resonator having the highest resonance frequency among the parallel arm resonators and a second parallel arm resonator. A second ground terminal that is one of the ground terminals connected to the second parallel arm resonator and a third ground terminal that is one of the ground terminals connected to the longitudinally coupled resonator elastic wave filter are connected to each other. A first ground terminal that is one of the ground terminals connected to the first parallel arm resonator is not connected to the second or third ground terminals.

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Owner:MURATA MFG CO LTD

Duplexer

InactiveCN107276555AMultiple-port networksInterconnectionDuplexer

The invention discloses a duplexer, which comprises a piezoelectric substrate and an electrode structure formed on the piezoelectric substrate. The electrode structure includes a transmitting pad, a receiving pad, a ground wire electrode pad, a signal wiring electrode, An annular pad and an interconnection line, the piezoelectric substrate is provided with a transmitting filter and a receiving filter, the transmitting pad is connected to the transmitting filter through a connecting line, and the receiving pad is connected to the receiving filter through a connecting line , the ground electrode pad is connected to the ground potential, the annular pad wraps the transmitting pad and the receiving pad, the ground electrode pad is connected to the ring pad through an interconnection wire, and the ring pad is connected to the ring pad through an interconnection wire The signal wiring electrode is connected to the transmitting pad and the receiving pad, and the signal wiring electrode is connected to the transmitting pad, thereby improving the isolation effect of the duplexer.

Owner:CHENGDU FUYOUTE TECH CO LTD

Method and device for producing piezoelectric transducers

InactiveCN103227280AEvenly distributedPiezoelectric/electrostrictive/magnetostrictive devicesMagnetic tension forceTransducer

Several layers of substrates in the form of magnetic support substrate (2) and a piezo-electrically activated piezoelectric substrate (3) are stacked with each other along the layering direction (4) and are fixed with each other along the layering direction, by using an adhesive (5), to form a substrate assembly (17). The substrates are clamped with each other by pressing each other through an electromagnetically generated magnetic force. An independent claim is included for an arrangement for production of piezoelectric transducer.

Owner:FESTO AG & CO KG

4 results about "Piezoelectric substrate" patented technology

Variable capacitance element and tunable filter

Band pass filter and duplexer

Duplexer

Method and device for producing piezoelectric transducers

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