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Matches 301 - 350 out of 42,038

Document Document Title
WO/2023/110081A1
A surface acoustic wave resonator element (1) comprising a transducer arrangement (2)comprising an active area (3), two conductive areas (4), a first interface area (5), and a second interface area (6), each interface area extending betw...  
WO/2023/112652A1
Provided is an elastic wave device with which polarization reversal can be suppressed. This elastic wave device 10 comprises: a package substrate 2 having a first principal surface 2a; and an elastic wave element chip 1 mounted on the ...  
WO/2023/112380A1
Provided are a resonator and a resonating device which make it possible to suppress occurrence of a combination of main mode vibration and spurious mode vibration. A resonator 10 is provided with: a vibration unit 110 including three o...  
WO/2023/106778A1
This electronic apparatus capable of transmitting or receiving wireless power comprises: a wireless power transfer (WPT) coil; and a processor operatively connected to the WPT coil, wherein the processor may: control a first ping signal ...  
WO/2023/107987A1
An filter (1300) includes first and second shunt resonators (Shl,Sh2), at least one series resonator (Slx4) connected to the first and second shunt resonators in an acoustic ladder filter circuit, and a first ground contact pad (GND1). T...  
WO/2023/108006A1
Acoustic resonator devices and filters are disclosed. An acoustic resonator (400) includes a substrate and a piezoelectric plate (410) having front and back surfaces, the back surface attached to the substrate. A decoupling dielectric la...  
WO/2023/104415A1
Certain aspects of the present disclosure provide a filter circuit and techniques for filtering using the filter circuit. The filter circuit generally includes a first filter stage (401) having a first acoustic wave resonator (410) coupl...  
WO/2023/106334A1
Provided is an acoustic wave device with which electrical characteristics can be stabilized in a configuration in which an IDT is provided within a cavity portion. An acoustic wave device 10 according to the present invention comprises...  
WO/2023/105845A1
A vibration unit (110) comprises a first part (111) that is a partial area of a main surface of a substrate (50) in a plan view, and a second part (112) that is another area of the main surface of the substrate (50) in the plan view. The...  
WO/2023/100816A1
Provided is a filter device that makes it possible to easily and more accurately suppress deterioration of filter properties. A filter device 1 according to the present invention comprises: a piezoelectric substrate 4 including a piezo...  
WO/2023/102349A1
Methods, devices, and systems are disclosed to utilize certain types of parametric nonlinearities in some solid-state structures to achieve an energy transfer between mechanical modes of motion of distinct frequency ranges for various ty...  
WO/2023/100608A1
The present invention provides an elastic wave device wherein capacitive coupling between an inductor and a member on which the inductor is provided can be suppressed. An elastic wave device 1 according to the present invention is prov...  
WO/2023/100670A1
Provided is a filter device having increased heat dissipation. A filter device 10 of the present invention comprises series-arm resonators S3, a parallel-arm resonator, and an external connection terminal (ground terminal 3C). At least...  
WO/2023/097531A1
The embodiments of the present application relate to the technical field of semiconductors. Provided are a bulk acoustic wave resonator, a filter and an electronic device, by means of which the performance of the filter can can improved....  
WO/2023/100851A1
A piezoelectric blank of a piezoelectric vibration element according to the present invention includes a vibrating portion and a fixed portion constituting mutually different regions in a plan view. A third surface on a first side of the...  
WO/2023/096612A1
The invention relates to an integrated acoustophoretic microfluidic device (EAMC) in which integrated two or more step operations to be applied to micro and/or biological particles can be performed in a single microfluidic system using t...  
WO/2023/097182A1
Filter devices and methods of fabrication are disclosed. An acoustic filter device includes a substrate (720) and a piezoelectric plate (710), a first portion of the piezoelectric plate spanning a first cavity (740B) in the substrate and...  
WO/2023/090172A1
Provided is an elastic wave device with which intermodulation distortion can be suppressed. The elastic wave device 1 comprises a piezoelectric layer having a crystal axis, and an IDT electrode 3 provided on the piezoelectric layer. If...  
WO/2023/091813A1
Aspects of acoustic resonators and methods of manufacture of acoustic resonators are described, including acoustic resonators with thinner layers of piezoelectric material. In one example, a method of manufacturing an acoustic resonator ...  
WO/2023/090434A1
To suppress a size. An elastic wave device comprises a first piezoelectric layer, a second piezoelectric layer stacked on the first piezoelectric layer in a first direction, and an IDT electrode. The IDT electrode includes a first bus ba...  
WO/2023/090238A1
This multiplexer (1) comprises a shared terminal (91), an inductor (40) having one end connected to the shared terminal (91), a filter (10) connected to the other end of the inductor (40), and filters (20 and 30) connected to the shared ...  
WO/2023/085408A1
Provided is an elastic wave device capable of suppressing unwanted waves at a frequency lower than and around a resonance frequency. An elastic wave device 10 according to the present invention comprises: a support member including a s...  
WO/2023/085189A1
Provided is a filter device capable of reducing losses on a high-frequency region side within a passband. A filter device 1 comprises a piezoelectric substrate, and a plurality of series-arm resonators and at least one parallel-arm res...  
WO/2023/085362A1
An elastic wave device 10 comprises: an elastic wave element 11; a bump 12 electrically connected to the elastic wave element 11; an underbump metal layer 13 provided between the elastic wave element 11 and the bump 12; a wiring substrat...  
WO/2023/085368A1
Provided is an elastic wave device in which the functional electrode is unlikely to sustain damage. This elastic wave device 10 is equipped with: a support member 13 which includes a support substrate 16; a piezoelectric layer 14 provi...  
WO/2023/082186A1
The embodiments of the present application relate to the technical field of wireless communications. Provided are a resonator and a preparation method therefor, and a filter, which can improve a quality factor of a resonator by means of ...  
WO/2023/085210A1
This elastic wave device has a multilayer film, a piezoelectric film, and an IDT electrode. The multilayer film is configured by alternately layering a first layer and a second layer that has a higher acoustic impedance than that of the ...  
WO/2023/085364A1
An elastic wave device 10 comprises: an elastic wave element 11; a bump 12 electrically connected to the elastic wave element 11; an underbump metal layer 13 provided between the elastic wave element 11 and the bump 12; a wiring substrat...  
WO/2023/085348A1
Provided are a crystal element and a crystal device that have a further improved drive level dependency (DLD) characteristic. The crystal element comprises a crystal piece (121), and a pair of electrodes (122a, 122b) positioned on both s...  
WO/2023/085347A1
Provided is an elastic wave device that can suppress unnecessary waves within the band between the resonance frequency and the anti-resonance frequency, and can reduce insertion loss. An elastic wave device 10 according to the present ...  
WO/2023/085110A1
A module (100) comprises a substrate (110), a first component (120), a sealing resin (150), and a shield film (160). The substrate (110) has a first surface (111). The first component (120) is mounted on the first surface (111). The seal...  
WO/2023/082521A1
The present invention belongs to the technical field of film bulk acoustic resonators. Disclosed is a method for rapidly forming a cavity structure of a micro-acoustic film resonator. The method comprises: etching a groove in a silicon s...  
WO/2023/085238A1
A crystal oscillation device (Xtl) with a thermistor comprises: a package (1) including an upper accommodating portion (11A) and a lower accommodating portion (11B); a crystal oscillating plate (2) accommodated in the upper accommodating...  
WO/2023/081769A1
A stacked die XBAR filter device (600) includes a first die (630) containing one or more XBARs on a first surface, a second die (640) containing one or more XBARs on a second surface, and one or more conductive vias (V1IN, V1OUT) through...  
WO/2023/080607A1
Proposed is a laminated common mode filter in which a ground pattern is interposed between coil patterns to form additional capacitance. The proposed laminated common mode filter comprises: an upper electrode layer composed of a laminate...  
WO/2023/078959A1
The invention relates to a compact and robust encapsulation system (1) for protection of a surface wave device. The encapsulation system (10) comprises a SAW device (3) and a sealing bead (9) which seals a second substrate (11) to the ba...  
WO/2023/080142A1
Parallel arm resonators (301) include a parallel arm resonator (3011) and a parallel arm resonator (3012). The parallel arm resonators (301) are connected to a first terminal side of a serial arm resonator (201). The parallel arm resonat...  
WO/2023/080167A1
Provided is a filter device that, in a configuration in which the resonant frequency of one or more of serial arm resonators is located outside a passband, can prevent a reduction in attenuation near the resonant frequency. A filter de...  
WO/2023/074795A1
This module (100) comprises a substrate (110), a first component (120), and a sealing resin (150). The substrate (110) has a first surface (111). The first component (120) is mounted on the first surface (111). The sealing resin (150) se...  
WO/2023/072540A1
The invention relates to a high-frequency filter device, comprising a signal input, which is designed for receiving a high-frequency signal. The high-frequency filter device also has a plurality of filter units, which are designed to fil...  
WO/2023/070332A1
A filter manufacturing method and a filter, relating to the technical field of wireless communications. The filter manufacturing method comprises: providing a substrate structure (S110); manufacturing and forming a circuit structure on a...  
WO/2023/071516A1
An XBAR filter (100), comprising a piezoelectric substrate (11), at least two interdigital transducers (12) formed on the piezoelectric substrate (11), and at least two insulating layers (13), wherein the insulating layers (13) and the i...  
WO/2023/074400A1
Provided is a filter device in which it is possible to improve attenuation characteristics. In the filter device 1, at least two filters including first and second filters 11, 12 are configured on a piezoelectric substrate 2. A first i...  
WO/2023/074373A1
In the present invention, an elastic wave resonator (10) comprises an IDT electrode (11), a first reflector (31), and a second reflector (32). The IDT electrode (11) has a plurality of comb-toothed electrode fingers (11a, 11b). The first...  
WO/2023/070214A1
An example silicon MEMS resonator device includes a support structure, a resonator element with at least one associated eigenmode of vibration, at least one anchor coupling the resonator element to the support structure, at least one dri...  
WO/2023/070457A1
Embodiments of the present disclosure provide a bulk acoustic wave resonator and a filter. The bulk acoustic wave resonator comprises: a piezoelectric layer; and an interdigital transducer (IDT), which is provided on the piezoelectric la...  
WO/2023/074615A1
A crystal oscillator plate (1) comprises an AT-cut crystal oscillator plate, and as a whole, has a rectangular, plate-like shape. The crystal oscillator plate (1) comprises an oscillating part (11), holding parts (13, 13t) connected to t...  
WO/2023/074616A1
A thermistor-mounted piezoelectric vibration device (1) is provided with a sand device (2), and a thin-plate thermistor (5) which is mounted on an outside surface of a first sealing member (20) in the sand device (2). The thin-plate ther...  
WO/2023/074463A1
Provided is an elastic wave device that not only affords improved linearity but also enables miniaturization. An elastic wave device 1 has a piezoelectric film 4 directly or indirectly layered on a support substrate 2 and comprises: a ...  
WO/2023/068506A1
A multi-layer flexible printed circuit board according to an embodiment of the present invention comprises: a ground electrode region comprising a ground electrode pattern arranged on one surface of the multi-layer flexible printed circu...  

Matches 301 - 350 out of 42,038