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7623007 |
Device including piezoelectric thin film and a support having a vertical cross-section with a curvature
An acoustic resonator includes a substrate, a support section provided on the substrate, a lower electrode provided on the support section, a piezoelectric body provided on the lower electrode, and...
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7622846 |
Bulk acoustic wave resonator, filter and duplexer and methods of making same
A resonator having a membrane formed of a piezoelectric layer sandwiched between first and second electrode is suspended above a cavity formed from the back surface of the support structure. In one...
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7615913 |
Composite electronic component
A composite electronic component provided is one with sufficient impact resistance. In this resonator 1 , a piezoelectric element 2 is supported by receivers 73, 83 in platelike holding...
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7608984 |
Motion amplification using piezoelectric element
A motion amplifier ( 22 ) comprises piezoelectric diaphragm ( 30 ) and drive electronics ( 26 ) for applying a drive signal to the piezoelectric diaphragm. The motion amplifier preferably comprises...
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7608983 |
Piezoelectric actuator, liquid transporting apparatus, and liquid-droplet jetting apparatus
A piezoelectric actuator includes a piezoelectric layer, a vibration plate, a supporting member which has an relief portion. A thin wall portion is provided in a first area, of one of the...
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7608977 |
Surface-mount saw device
A surface-mount SAW device configured to prevent sealing resin layer coated all over the top surface of a piezoelectric substrate from becoming charged even if the piezoelectric substrate forming...
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7602107 |
Surface mount type crystal oscillator
A surface mount crystal oscillator comprises a crystal blank, an IC chip having an oscillation circuit integrated thereon, and a hermetic package for accommodating the crystal blank and IC chip...
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7596849 |
Method of assembling a wafer-level package filter
A wafer level package filter includes a device wafer having an acoustic wave device disposed on its surface, the acoustic wave device including at least an acoustic wave resonator associated with a...
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7595582 |
Resonator, ultrasonic die bonding head, and ultrasonic die bonding apparatus
A resonator 1 of the present invention includes: a vibrating member 13 holding an electronic component 12 and applying a vibration to the electronic component 12 ; and a depressing member ...
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7586241 |
Electroacoustic transducer
An electroacoustic transducer having one end portion of a first piezoelectric element and one end portion of a second piezoelectric element fixed to a frame such that the first piezoelectric...
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7583011 |
Package of surface-mountable electronic component
A package of a surface-mountable electronic component to be reflow-soldered to a circuit board at about 250° C. or more includes a case and a cover. The cover has a softening temperature lower...
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7579758 |
Substrate supporting vibration structure, input device having haptic function, and electronic device
There is provided a substrate supporting vibration structure which is a vibration structure for supporting a substrate. The substrate supporting vibration structure includes a spacer member, fixed...
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7573341 |
Surface mount type crystal oscillator
A surface mount type crystal oscillator is provided with a crystal blank, an IC chip which incorporates an oscillation circuit using the crystal blank, a substantially rectangular parallelepiped...
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7564177 |
Crystal unit having stacked structure
A stacked crystal unit includes: a first crystal plate in which a vibration member links to an outer circumferential frame portion, and a pair of extending electrode extends to the frame portion...
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7564175 |
Tubular spring for actuator, and method for assembling the tubular spring
A tubular spring is provided for preloading a piezoelectric or magnetostrictive actuator for the actuation of fuel injection valves for fuel injection systems of internal combustion engines. The...
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7564167 |
System and method of assembling a trapped acoustic wave system
Embodiments of the present invention provide a trapped acoustic wave system and a method of assembling such a system. The system may include a substrate having an acoustic wave cavity and a...
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7560852 |
Piezoelectric actuator, method for manufacturing piezoelectric actuator, and liquid transporting apparatus
A piezoelectric actuator includes a supporting member in which pressure chambers are formed, a vibration plate which is joined to a joining section of the supporting member, a piezoelectric layer...
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7557493 |
Vibrator module
A vibrator module includes a frame having an outer frame and an inner frame. A vibrator unit is formed inside the inner frame. The frame and the vibrator unit are formed of a piezoelectric ceramic...
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7554248 |
Ultrasonic sensor
An ultrasonic sensor includes an inner case mainly made of plastic and having a shape of a cylinder with a bottom portion. A conductive film is attached to the bottom portion. An electrode formed...
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7551040 |
Surface mount crystal oscillator
A surface mount crystal oscillator comprises a package body having a first recess, a cover having a second recess, a crystal blank secured to an inner bottom surface of the second recess, and an IC...
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7548014 |
Ultrasonic transducer
An ultrasonic transducer includes a cylindrical cap member having a bottom. A piezoelectric element is bonded to the inner side of a bottom portion of the cap member using a conductive adhesive or...
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7545078 |
Actuator for moving a tool
An actuator for moving a tool is disclosed, comprising a housing in which a tappet carrying a tool holder is guided axially movable, wherein the tappet is movable by means of a fast drive, e.g. by...
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7531946 |
Piezoelectric sounding body
A piezoelectric sounding body in which a stable high sound pressure can be obtained over a wide frequency band. The piezoelectric sounding body includes a resin film, a piezoelectric vibrating...
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7528529 |
Micro electro mechanical system, semiconductor device, and manufacturing method thereof
The present invention provides a MEMS and a sensor having the MEMS which can be formed without a process of etching a sacrifice layer. The MEMS and the sensor having the MEMS are formed by forming...
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7522006 |
Surface mount type crystal oscillator
A surface mount type crystal oscillator comprises: a package body comprised of laminated ceramic including a flat central layer made up of a first layer and a second layer, and a first and a second...
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7511405 |
Piezoelectric vibrator and method of fabricating piezoelectric vibrator, and oscillator, electric apparatus, and radio wave timepiece having piezoelectric vibrator
To achieve small-sized formation of a piezoelectric vibrator while preventing exciting electrodes provided at both faces of the piezoelectric vibrating piece from being shortcircuited to each other...
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7504763 |
Power generator
A telemetry unit ( 100 ) is provided for mounting inside a pneumatic tyre. The unit ( 100 ) includes a piezoelectric power generator for supplying power to the unit ( 100 ). A piezoelectric element...
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7501744 |
Chip-based piezoelectric resonator and liquid-phase sensor
The present invention relates to a piezoelectric resonator system comprising a plurality of piezoelectric resonator sensors C′, C″. Each sensor C′, C″ comprises an oscillator circuit ...
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7498723 |
Piezoelectric resonator and method for manufacturing thereof
A piezoelectric resonator includes a resonator substrate, a base substrate supporting the resonator substrate, a lid substrate covering a surface of the resonator substrate, the surface being on an...
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7482735 |
Crystal oscillator
The present invention relates to a crystal unit in which rectangular excitation electrodes are formed on two main surfaces of a rectangular crystal piece, an extracting electrode extends from at...
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7479727 |
Apparatus and method for pyroelectric and piezoelectric power generation and thermoelectric heat transfer
A roof system for a building is adapted to harness pyroelectric and piezoelectric effects to generate electric power. A roof system is provided wherein roof tiles, or other covering structure, are...
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7479685 |
Electronic device on substrate with cavity and mitigated parasitic leakage path
An electronic device. The electronic device includes a first electrode and a coating layer. The electronic device is fabricated on a substrate; the substrate has a cavity created in a top surface...
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7474039 |
Electronic module including piezoelectric device
An electronic module, comprises: a circuit board; a piezoelectric device having a lid, the piezoelectric device being mounted on the circuit board; and an electronic component mounted on the...
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7474034 |
Surface acoustic wave element and surface acoustic wave device using the same
A surface acoustic wave element includes a piezoelectric substrate, an IDT composed of a pair of first and second comb-like electrodes, formed around a center of the piezoelectric substrate, and...
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7471034 |
Ultrasound transducer and method of producing the same
In an ultrasound transducer arrangement comprising at least one piezoelectric body with a lower and an upper electrode and a coupling layer including a wafer on which the ultrasound transducers are...
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7471028 |
Liquid ejection head and image forming apparatus
The liquid ejection head has: a surface acoustic wave propagation body in which a surface acoustic wave propagates; a nozzle orifice formed in the surface acoustic wave propagation body; a surface...
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7468574 |
Piezoelectric resonator for oscillator and surface mount type piezoelectric oscillator
A piezoelectric resonator for an oscillator contained in an upper concave portion of an insulating case that has a metal lid with which the upper concave portion is air-tightly closed comprises a...
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7456552 |
Piezo-electric oscillator and method of manufacturing the same
A piezo-electric oscillator has a reduced manufacturing cost using a general purpose piezo-electric vibrator, while coping with miniaturization. The piezo-electric oscillator has resin; a substrate...
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7449820 |
Surface mount type crystal device
A crystal device for surface mounting is provided with at least: a container body having a substantially rectangular outer shape and mounting electrodes formed in the four corners of the outside...
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7446460 |
Piezoelectric device
A piezoelectric device includes a piezoelectric element, a circuit board on which the piezoelectric element is mounted, an IC component having at least a function of oscillating the piezoelectric...
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7446454 |
Thickness extensional piezoelectric resonator
An energy-trapping-type thickness extensional piezoelectric resonator using a thickness extensional vibration mode having first and second resonance electrodes formed on portions of the top surface...
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7436272 |
Piezoelectric device
A pizoelectric filter capable of improving the shielding property and increasing the heat releasing property is provided. The piezoelectric device includes a cover and piezoelectric device chips...
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7436106 |
Piezoelectric device
A piezoelectric device includes: a piezoelectric element; a piezoelectric element package containing the piezoelectric element; a connecting terminal disposed on the bottom of the piezoelectric...
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7436105 |
Package structure for surface acoustic wave device, and surface acoustic wave device
A package structure realizing a size and/or thickness reduction and suitable for packaging a surface acoustic wave element is provided. The package structure for solving the above challenge...
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7432632 |
Composite electronic component
A composite electronic component provided is one with sufficient impact resistance. In this resonator 1 , a capacitive element 3 has a projection 37 projecting outside a piezoelectric element ...
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7429816 |
Piezoelectric vibrator and fabricating method thereof
The present invention relates to piezoelectric vibrators such as a resonator used as a timing element, discriminator, filter or the like, and fabricating methods thereof. The piezoelectric...
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7429814 |
Apparatus and methods for manufacturing a piezoelectric resonator device
The invention provides a piezoelectric resonator device having excellent frequency accuracy and aging characteristics. The piezoelectric resonator element can be packaged in an exclusive hollow...
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7424771 |
Method of producing a piezocomposite
A method of preparing a composite sheet unit includes arranging a plurality of sintered piezoelectric thin wires in a uniform direction on a surface of a resin layer is prepared. A plurality of the...
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7423363 |
Piezoelectric vibrating element and piezoelectric vibrator
A piezoelectric vibrating element includes a main vibration section vibrating in a constant direction, an open edge formed at least at one edge among edges provided in a vibration direction of the...
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7421767 |
Method for manufacturing a piezoelectric vibration device
Manufacturing a piezoelectric vibration device, includes: forming a bonding electrode on a part of a piezoelectric substrate to which a cover makes contact; forming a part defining a through hole...
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