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JP6132435B2 |
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JP6132047B1 |
[Subject] A pressure sensor which has the highly efficient characteristic, and a manufacturing method for the same are provided. [Means for Solution] Microphone 20 as a pressure sensor is provided with diaphragm 21 which consists of meta...
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JP6129950B2 |
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JP6124897B2 |
The present application provides a multilayer lateral mode coupling method for phased array construction and transducer devices built accordingly. This disclosure describes and demonstrates that the electrical impedance of a phased array...
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JP6123825B2 |
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JP6122066B2 |
According to the present invention, a lower electrode is prepared, and a composite containing a sol-gel solution and a piezoelectric powder is applied by spraying onto the lower electrode. The applied complex is then sintered to form a p...
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JPWO2015190429A1 |
The piezoelectric device includes a support layer (14), a lower electrode (15), a piezoelectric film (16), and an upper electrode (17) on a substrate (11) in this order. The substrate (11) is provided with a first opening (23) that penet...
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JP2017073662A |
To prevent occurrence of an electric failure factor in an electrode layer formed on a surface of a backing in an ultrasonic probe including the backing having a built-in lead array with an attenuation material filler mixed.A backing 22 i...
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JP2017069853A |
To provide a method of manufacturing a passive radiator improved in acoustic properties by enabling a flange of a hollow structure to be manufactured with high accuracy.A passive radiator is disposed within a through-hole of a front pane...
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JP6097988B1 |
Provided is an ultrasonic sensor unit capable of sufficiently ensuring the adhesion of the elastic sheet to the ultrasonic radiation surface and easily replacing the elastic sheet. The ultrasonic sensor unit 2 includes a pair of ultrason...
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JP6099663B2 |
This disclosure provides systems, methods and apparatus for microspeaker devices. In one aspect, a microspeaker element may include a deformable dielectric membrane that spans a speaker cavity. The deformable dielectric membrane can incl...
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JP6094424B2 |
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JP6091951B2 |
According to embodiment, a piezoelectric transducer includes a polarized single crystal piezoelectric body comprising a lead complex perovskite compound containing niobium oxide and at least one of magnesium oxide and indium oxide and in...
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JP2017045940A |
To provide a manufacturing method of a perovskite ferroelectric polycrystalline thin film with few crystal grains having random orientation components.The manufacturing method of a perovskite ferroelectric polycrystalline thin film inclu...
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JP2017041715A |
To provide a method capable of highly accurately manufacturing a flange having a hollow structure and for manufacturing a passive radiator excellent in acoustic characteristics.A method for manufacturing a passive radiator includes: a cu...
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JP2017034527A |
To reduce magnitude of an electric field required to perform polarization treatment in a piezoelectric element having a horizontal electrode structure.Three electrodes of a first electrode 68, a second electrode 70 and a third electrode ...
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JP6074584B2 |
After beaten, pulp is mixed with a filler to obtain a mixture of the pulp and the filler. Additives are added to the mixture, which is made into pater and then hot-pressed. The filler content of the mixture is in the range of 20 wt % to ...
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JP6073600B2 |
According to one embodiment, an ultrasonic probe includes a single crystal piezoelectric body with first and second planes facing each other and having a crystal orientation of [100], first and second electrodes on the respective first a...
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JP6069798B2 |
The present invention relates to an ultrasound transducer device comprising at least one cMUT cell (30) for transmitting and/or receiving ultrasound waves, the cMUT cell (30) comprising a cell membrane (30a) and a cavity (30b) underneath...
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JP2017022576A |
To provide a piezoelectric thin film microphone capable of improving sensitivity characteristics and noise characteristics, and a manufacturing method thereof.A piezoelectric thin film microphone 1 comprises: a support substrate 3 includ...
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JP6068782B2 |
Ultrasound transducers and methods of making ultrasound transducers with improved thermal characteristics are provided. An ultrasound transducer can include: a backing, a piezoelectric element attached to the backing, a first matching la...
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JP6063289B2 |
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JP6061105B2 |
An electroacoustic transducer has a ring-shaped magnetic assembly that generates a magnetic field, an elastic suspension connected to the magnetic assembly, a support connected to the elastic suspension and supporting a coil adapted to m...
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JP6058208B2 |
The present invention relates to a unit ultrasonic wave probe, an ultrasonic wave probe module, and an ultrasonic wave probe device. The unit ultrasonic probe according to the present invention includes: a rear block part; a flexible sub...
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JP6056905B2 |
To provide a piezoelectric element which reduces electric resistance of an electrode, and to provide a piezoelectric sensor and a manufacturing method of the piezoelectric element.A piezoelectric element 10 includes: a substrate 11 havin...
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JP2017005636A |
To provide a transducer or the like that can be made more compact.A transducer 100 has an electromechanical conversion element 110 for performing conversion of an acoustic wave and an electric signal, and a backing member 120 arranged on...
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JP2016225420A |
To provide a manufacturing method of a piezoelectric device having desired performance, and the piezoelectric device, an ultrasonic device, a piezoelectric module and an electronic apparatus.An ultrasonic device (piezoelectric device) co...
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JP6047074B2 |
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JP6042989B2 |
The invention proposes a MEMS component having a crystalline base body (GK), a recess (AN) and a structured assembly (A) which closes said recess, in which an opening (OG) is structured in a first functional layer (MN), the effective ope...
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JP6043632B2 |
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JP2016534685A |
The present invention relates to a method of producing a film a diaphragm of a loud speaker, or for diaphragms of a microphone (7) from a thermoplastic elastomer, and a thermoplastic elastomer is fabricated by film by extrusion fabrication.
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JP6006877B2 |
An electrostatic earphone with a closed-back housing, a sleeve for acoustically sealing to an ear canal, and an electrostatic transducer is provided. The closed-back housing may include a nozzle for acoustic transmission of sound to the ...
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JP2016178651A |
To provide a method for manufacturing an ultrasound transducer and other components.A method for manufacturing an electric component such as an ultrasound transducer is provided, which comprises patterning an electrode for connecting an ...
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JP5999174B2 |
Provided is a headphone driver including a yoke that has a bottom surface and an erected surface that is erected in a perpendicular direction with respect to the bottom surface, and that is formed using a magnetic material, and a bonded ...
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JP5986441B2 |
Provided is a capacitive transducer having broadband frequency characteristics. The capacitive transducer includes an element which has multiple kinds of cells, each cell including: a first electrode; a vibrating film including a second ...
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JP5982868B2 |
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JP5983437B2 |
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JP5978376B1 |
[Subject] Provide a manufacturing method which can manufacture efficiently a magnesium diaphragm for sound which the antirust performance was good and was provided with a good acoustic feature. [Means for Solution] Hydroxide layer 2 form...
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JP5978685B2 |
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JP5979501B2 |
An ultrasonic transmission/reception unit (50) includes a metal plate (16), an acoustic matching member (15), a piezoelectric substrate (17), a first lead wire (18a), a second lead wire (18b), and a vibration suppression member (11) cont...
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JP5975681B2 |
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JP5975178B2 |
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JP5975458B2 |
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JP5973792B2 |
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JP2016149677A |
To provide a diaphragm with a diaphragm base and a reinforcement film having a uniform thickness.The diaphragm includes: a diaphragm base 2 having a center dome 21 and a sub dome 22 surrounding the periphery of the center dome; a reinfor...
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JP5971274B2 |
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JP5961697B2 |
The present invention relates to a pre-collapsed capacitive micro-machined transducer cell (10) comprising a substrate (12), and a membrane (14) disposed above a total membrane area ((Atotal), wherein a cavity (20) is formed between the ...
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JP5956157B2 |
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JP5954773B2 |
A backing material is provided on the back face side of a piezoelectric transducer, with a first width substantially equal to the piezoelectric transducer widthwise and perpendicular to the radiation direction. A front face of a layer lo...
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JP2016521056A |
The present invention is a complex for manufacture of the membrane for sound, and is the above-mentioned complex, Complex which is the layer which was able to do the above-mentioned career layer with the Polyaryl- ether ketone film inclu...
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