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Matches 1 - 50 out of 49,871

Document Document Title
WO/2018/163842A1
Provided is an elastic wave device capable of suppressing a high-order mode while maintaining favorable characteristics of a main mode. An elastic wave device 1 comprising: a material layer 2 having Euler angles (φ1, θ1, ψ1) and...  
WO/2018/163860A1
Provided is an elastic wave device in which degradation of resonance characteristics does not easily occur. In an end surface reflection type elastic wave device 1 in which an elastic wave is reflected between a first end surface 6c and ...  
WO/2018/164209A1
Provided is an acoustic wave device with which a first high-order mode response that propagates in a piezoelectric body can be suppressed. The acoustic wave device 1 comprises a support substrate 2 made of silicon on which a silicon oxid...  
WO/2018/164210A1
An acoustic wave device is provided which is not prone to generate ripples in other acoustic wave filters due to higher-order modes. A silicon oxide film 3, a piezoelectric body 4 formed from lithium tantalate, and an IDT electrode 5 are...  
WO/2018/163805A1
Provided is an elastic wave device capable of suppressing a high-order mode while maintaining favorable characteristics of a main mode. The elastic wave device 1 comprises: a material layer 2 having Euler angles (φ1, θ1, ψ1) and...  
WO/2018/164211A1
The purpose of the present invention is to provide a multiplexer which is not prone to generate ripples in other bandpass filters due to higher-order modes. N acoustic wave filters (N an integer greater than or equal to 2) are provided t...  
WO/2018/163841A1
Provided is an elastic wave device whereby the frequency position of high-order modes propagating inside a support substrate comprising silicon is unlikely to vary. The elastic wave device 1 comprises: a support substrate 2 comprising si...  
WO/2018/159020A1
A filter (10) is provided with a series arm circuit (11) and a parallel arm circuit (12). The parallel arm circuit (12) comprises a parallel arm resonator (p1), a frequency-variable circuit (12T), and a parallel arm resonator (p2) connec...  
WO/2018/159596A1
The present invention is formed of a piezoelectric material and is provided with: a first surface through which a surface acoustic wave propagates; and a second surface that is positioned oppositely to the first surface. The second surfa...  
WO/2018/159205A1
According to the present invention, a filter (10) has a first pass band and a second pass band at a higher frequency side than the first pass band, and is provided with a series arm circuit (11) and a parallel arm circuit (12). The paral...  
WO/2018/159111A1
Provided is an acoustic wave device that is capable of achieving miniaturization and high productivity. An acoustic wave device 10 is provided with: a piezoelectric substrate 2 (substrate having piezoelectricity); a first bandpass type f...  
WO/2018/154950A1
In order to provide an elastic wave device capable of effectively suppressing unnecessary waves, an elastic wave device 1 is equipped with a support substrate 2, an acoustic reflection film 3 provided on the support substrate 2, a piezoe...  
WO/2018/155305A1
A surface acoustic wave element (10) comprises a substrate (101) containing an LiNbO3 piezoelectric monocrystal, a first dielectric layer (122) provided on the substrate (101), and an IDT electrode (121) provided on the first dielectric ...  
WO/2018/156084A1
Systems and methods for monitoring plastic deformation of a structural material are provided. An acoustic wave actuator is configured to generate acoustic wave signals to be propagated within the structural material and is in-situ fabric...  
WO/2018/157114A1
An acoustic filter including a piezoelectric layer; an acoustic resonator structure monolithically disposed on the piezoelectric layer, the acoustic resonator structure including an arrangement of planar interdigitated resonator fingers;...  
WO/2018/151218A1
A filter (10) is provided with: a series arm resonant circuit (11) connected between input and output terminals (110) and (120); and a parallel arm resonant circuit (12) connected between a node (x1) on a path connecting the input and ou...  
WO/2018/151147A1
This elastic wave element is provided with: an IDT electrode that excites an elastic surface wave and that is provided with a plurality of electrode fingers; a first substrate that is made of piezoelectric crystal, that has a thickness l...  
WO/2018/151146A1
[Problem] To provide an acoustic wave element which is reduced in size and can be fabricated relatively easily, which can be put to practical use without using harmful substance and can suppress surface acoustic wave transmission loss, w...  
WO/2018/146910A1
The present invention provides an elastic wave device that utilizes a Love wave and is able to effectively suppress transverse-mode spurious responses. An elastic wave device 1 uses a Love wave, and is provided with a piezoelectric subst...  
WO/2018/148616A1
The present disclosure provides a frequency-converting super-regenerative transceiver with a frequency mixer coupled to a resonator and a feedback element having a controllable gain. The frequency-converting super-regenerative transceive...  
WO/2018/145383A1
A surface acoustic wave filter, comprising a piezoelectric substrate (100), two interdigital transducers (10, 11) arranged in parallel on the piezoelectric substrate (100), each of the interdigital transducers (10, 11) comprising a first...  
WO/2018/147135A1
A high frequency filter (10) comprises a serial arm circuit (11) and a parallel arm circuit (12). The serial arm circuit (11) includes a serial arm resonator (s1a) provided on a route, and a frequency variable circuit (11b) connected in ...  
WO/2018/148615A1
The present disclosure provides a super-regenerative transceiver with a feedback element having a controllable gain. The super-regenerative transceiver utilizes the controllable gain to improve RF signal data sensitivity and improve RF s...  
WO/2018/146883A1
Provided is an elastic wave device, which has a plurality of IDT electrodes having different wavelengths determined by an electrode finger pitch, wherein variations in temperature characteristics can be reduced between at least two IDT e...  
WO/2018/142812A1
The purpose of the present invention is to provide an acoustic wave device with which it is possible to suppress the occurrence of IMD, and that can be miniaturized. Provided is an acoustic wave device 1 in which an antenna terminal 3, a...  
WO/2018/143045A1
A surface acoustic wave device (10) is provided with a piezoelectric substrate (24), a plurality of functional elements (30) formed on the piezoelectric substrate (24), a cover section (20) arranged so as to face the piezoelectric substr...  
WO/2018/143044A1
A surface acoustic wave device (10) is provided with a piezoelectric substrate (24) and a plurality of functional elements (30) formed on a first surface (25) of the piezoelectric substrate. An IDT (interdigital transducer) electrode is ...  
WO/2018/143006A1
In this AT-cut quartz oscillation plate wafer, two corners of each of a plurality of base parts which project, toward quartz oscillation plates, from a support part extending along the arrangement direction of the quartz oscillation plat...  
WO/2018/142789A1
From the base of a package, a pillow part protrudes which contacts a contact part, which is a part of an arm of a tuning fork-type vibration piece other than the tip. The contact part of the arm that contacts the pillow part is a non-ele...  
WO/2018/142794A1
Provided is an acoustic wave device with which it is possible to suppress the occurrence of IMD, and for which further miniaturization is possible. Provided is an acoustic wave device 1 in which an antenna terminal 3, a signal terminal, ...  
WO/2018/142790A1
When an arm part of this tuning fork-type vibrator flexes towards the lid of a package due to an external impact, by allowing a frequency adjustment metal film, from which a portion has been removed, to contact the inner surface of the l...  
WO/2018/140011A1
The present application relates to a biosensor that employs an acoustic cavity to store mechanical energy. In particular examples, the biosensor includes an electrode region and one or more reflector regions to form the acoustic cavity, ...  
WO/2018/139598A1
A SAW filter comprises a substrate including a piezoelectric substrate, a transmission filter, and an additional resonator. The transmission filter is a ladder-shaped filter for filtering and outputting a signal from the transmission ter...  
WO/2018/139320A1
This high frequency filter (10) is provided with: a series arm circuit (11) that is provided on a path connecting an input/output terminal (11m) and an input/output terminal (11n); and a parallel arm circuit (12) that is connected to a n...  
WO/2018/137549A1
A surface acoustic wave (SAW) devices, such as filters and duplexers, which includes piezoelectric layer (204) and a high acoustic velocity layer (206) coupled to the piezoelectric layer (204) at a first surface of the high acoustic velo...  
WO/2018/139092A1
A resonator 1 is provided with a magnetoresistive effect element 2, an external magnetic field application unit 3, and an energy-imparting unit 4. The magnetoresistive effect element 2 includes: a magnetization fixed layer 21 having magn...  
WO/2018/135538A1
This high frequency filter (10) is provided with: a series arm resonator (s1) that is connected between input/output terminals (11m and 11n); and parallel arm circuits (110 and 120) that are connected to a node (x1) and a ground. The par...  
WO/2018/135489A1
Provided is an acoustic wave device in which a piston mode is used, the duty ratio in a first edge region and a second edge region being made to exceed the duty ratio in a central region, thereby forming a low-acoustic-velocity region, w...  
WO/2018/135163A1
Provided are a composite substrate capable of maintaining high resistance after being processed at 300°C, and a method for manufacturing the composite substrate. This composite substrate is characterized by being manufactured by stickin...  
WO/2018/131360A1
Provided is an elastic wave device in which a sound speed difference between a central region and an edge region can be easily and reliably provided in an IDT electrode. Provided is an elastic wave device 1 in which an IDT electrode 3 an...  
WO/2018/131454A1
Provided is an elastic wave device whereby sound speed in a low sound-speed region can be more reliably and sufficiently reduced. An elastic wave device 1 is provided with a piezoelectric substrate 2 having one main surface 2a, and IDT e...  
WO/2018/127285A1
Disclosed is a Bragg mirror, a resonator and a filter device comprised thereof. The Bragg mirror (108) comprises a stack of plurality of layers arranged in an axial direction (A), wherein the plurality of layers comprises at least one fi...  
WO/2018/125516A1
A BAW resonator (1) comprises a piezoelectric layer (2) located between a top electrode (4) and a bottom electrode (3) and comprises a dielectric layer (9) located between the bottom electrode (3) and an additional electrode (11), wherei...  
WO/2018/122848A1
This invention provides electromechanical resonators based on metal chalcogenide nanotubes. The invention further provides methods of fabrication of electromechanical resonators and methods of use of such electromechanical resonators.  
WO/2018/123382A1
A circuit module (101) is provided with: a substrate (1) having a main surface (1a); a first component (6) mounted on the main surface (1a); and a sealing resin section (3) that covers at least the side surface of the first component (6)...  
WO/2018/123447A1
Provided is an acoustic wave device in which internal interference between signals is suppressed. The acoustic wave device is provided with: a first element substrate 1 and a second element substrate 2 that are at least partially piezo-e...  
WO/2018/125165A1
The RF filters used in conventional mobile devices often include resonator structures, which often require free-standing air-gap structure to prevent mechanical vibrations of the resonator from being damped by a bulk material. A method f...  
WO/2018/123208A1
Provided is a multiplexer in which there is hardly any deterioration in the filter characteristics of a band pass filter in which the frequency band is high due to the effects of a band pass filter in which the frequency band is low. The...  
WO/2018/123118A1
The purpose of the present invention is to enhance the accuracy of temperature control in a resonance device. The present invention is provided with: a resonator having a platform, a vibrating section, and at least one first holding arm ...  
WO/2018/123698A1
A high-frequency module (20) is provided with a module base plate (50) and a filter (21). The filter (21) includes a sensitive GND electrode and a non-sensitive GND electrode connected to an external connection ground terminal of the mod...  

Matches 1 - 50 out of 49,871