Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 20,002

Document Document Title
WO/2019/089150A1
A passive on glass (POG) filter capping apparatus (400) includes an acoustic filter die (440). The apparatus further includes a capping die (402) electrically coupled to the acoustic filter die (440). The capping die (402) includes a 3D ...  
WO/2019/088128A1
A method for producing a package structure, which comprises: a step for preparing a package member which is provided with a first circuit member and a plurality of second circuit members that are mounted on the first circuit member, with...  
WO/2019/087874A1
The purpose of the present invention is to provide a crystal oscillation element with which it is possible to suppress an increase in a crystal impedance value. The crystal oscillation element of the present invention is provided with: a...  
WO/2019/071068A1
An integrated circuit package includes a first die (1230) that has a microelectromechanical system (MEMS) resonator coupled to a first coil (1240). A second die (1231) includes a second coil (1241) fabricated on a top surface of the seco...  
WO/2019/071066A1
An oscillator circuit (501) has tank circuit terminals for coupling to a tank circuit. A microelectromechanical system (MEMS) resonator (100) serves as a tank circuit. The MEMS resonator (100) is coupled to the oscillator circuit (501) u...  
WO/2019/065669A1
In the present invention, a reduction in size is achieved while characteristics degradation is suppressed. An elastic wave device (1) has a first acoustic impedance layer (31) and second acoustic impedance layers (32, 33), an IDT electro...  
WO/2019/065519A1
The present invention enables stable conduction between a base member and a lid member. A crystalline oscillator of the present invention is provided with: a crystalline oscillation element; a base member; a conductive lid member that is...  
WO/2019/065847A1
The present invention comprises: a first electrode (10); a second electrode (20) opposing the first electrode (10) across a piezoelectric substrate; a cover (50) surrounding the second electrode (20) so that the tip end is exposed; a sup...  
WO/2019/065977A1
This method for producing a mounting structure is provided with: a step for preparing a mounting member provided with a first circuit member, and a plurality of second circuit members mounted on the first circuit member; a step for prepa...  
WO/2019/056553A1
A method for preparing a piezoelectric resonator and a piezoelectric resonator, the preparation method comprising: forming a monocrystalline piezoelectric material layer on a first substrate; and forming a polycrystalline piezoelectric m...  
WO/2019/057161A1
A surface acoustic wave (SAW) device including a piezoelectric layer, a high acoustic velocity layer coupled to the piezoelectric layer, and at least one transducer. The SAW device may include a multi-layer graphene layer in the electrod...  
WO/2019/058632A1
A resonator wherein the frequency temperature characteristics are able to be adjusted with high accuracy. This resonator is provided with: a vibration part which comprises a first electrode, a second electrode, a piezoelectric film that ...  
WO/2019/059247A1
This manufacturing method of a piezoelectric vibration element 10 includes: preparing a piezoelectric substrate 11; providing a first electrode layer 60a on a first main surface 12a of the piezoelectric substrate 11; disposing a mask 70a...  
WO/2019/059338A1
The present invention suppresses decrease in airtightness between a cover member and a base member. According to the present invention, a crystal oscillator is provided with: a crystal oscillation element; a cover member and a base membe...  
WO/2019/054349A1
This method for producing a crystal oscillator element (10) comprises: a step for preparing a crystal piece (111); a step for providing a central part (117) of the crystal piece (111) with a first excitation electrode (114a); a step for ...  
WO/2019/054238A1
[Problem] To improve a Q value of an acoustic wave device in which a piezoelectric material substrate is directly bonded on a support substrate composed of polycrystalline ceramics. [Solution] This acoustic wave device 10 comprises: a pi...  
WO/2019/055787A1
A device has a plurality of coils arranged along a perimeter within the device, where each coil has a winding configured to be coupled to a power converter through a resonant capacitor, and forms a resonator with the resonant capacitor. ...  
WO/2019/048736A1
The invention relates to a frequency reference oscillator device and method of providing a frequency reference signal. The oscillator device comprises a first oscillator comprising a first resonator having first long-term stability and a...  
WO/2019/048737A1
The invention relates to a temperature-compensated microelectromechanical oscillator and a method of fabricating thereof. The oscillator comprises a resonator element comprising highly doped silicon and an actuator for exciting the reson...  
WO/2019/049830A1
This filter device (1) is provided with: a substrate (50) which has piezoelectricity; a first filter (10) which comprises an IDT electrode (52) that is provided on the substrate (50); an electrode (30a) for terminals, which is provided o...  
WO/2019/034442A1
A high Q acoustic BAW resonator with high coupling and improved spurious mode suppression is given. The BAW resonator comprises an active resonator region (AR) formed by an overlap of the three layers bottom electrode (BE), piezoelectric...  
WO/2019/029911A1
A BAW resonator (RES) with reduced losses, an RF filter with a BAW resonator and a method of manufacturing a BAW resonator are provided. The BAW resonator has a bottom electrode layer (BEL), a top electrode layer (TEL) and an acoustic re...  
WO/2019/029912A1
An electrically and acoustically improved resonator is provided. The resonator (BAWR) has a center region (CR) and a termination region (TER) surrounding the center region. A trench (TR) in a top electrode (TE), a frame (FR) on the top e...  
WO/2019/025132A1
An acoustic filter device comprises a filter chip with filter elements that are arranged in a series signal line as well as in parallel branches connected to a ground termination each. A carrier substrate for the filter chip comprises gr...  
WO/2018/235339A1
Provided is a simpler and more highly accurate frequency adjustment method. Disclosed is a method for manufacturing a resonance device that is provided with a resonator having a vibrating section that vibrates in accordance with a voltag...  
WO/2018/230442A1
This bonded substrate comprises a quartz substrate, and a piezoelectric substrate which is bonded onto the quartz substrate and on which a surface acoustic wave propagates, the bonding comprising a covalent bonding at a bonding interface...  
WO/2018/218037A1
System and apparatus for measuring biopotential and implementation thereof. A device for mitigating electromagnetic interference (EMI) thereby increasing signal-to-noise ratio is disclosed. Specifically, the present disclosure relates to...  
WO/2018/212150A1
Provided are a liquid crystal oscillation element, a liquid crystal oscillator, and a method for manufacturing these in which it is possible to achieve a reduction in size while suppressing degradation of oscillation characteristics. Thi...  
WO/2018/212184A1
The method for manufacturing the piezoelectric oscillator (1) involves: a step for preparing a piezoelectric vibration element (10) comprising a piezoelectric substrate (11) having a first principal surface (12a) and a second principal s...  
WO/2018/212181A1
The present invention is provided with: a base part (50); a plurality of vibration arm parts (60) extending from the base part (50) in a first direction (D1), the vibration arm parts (60) being arranged in a second direction (D2) that in...  
WO/2018/203430A1
[Problem] To provide an elastic wave element in which a piezoelectric material substrate and a support substrate are joined together via a joining layer, wherein the elastic wave element has a structure with which it is possible to furth...  
WO/2018/199071A1
Provided is an acoustic wave device manufacturing method with which a resist residue is less likely to remain and degradation in electric characteristics is less likely to occur, and which makes it possible to increase productivity. An a...  
WO/2018/198952A1
A filter device (100), comprising: a piezoelectric substrate (1); first and second functional elements (S2, S3) disposed on the surface of the piezoelectric substrate (1); a first electroconductive layer (5c) disposed on the surface of t...  
WO/2018/199306A1
Provided is a sealing film made of a resin composition comprising a thermosetting resin that has a structural unit represented by formula (1), and an inorganic filler: [in formula (1), X1 denotes a reactive functional group and R1 denote...  
WO/2018/199310A1
A sealing film comprising a resin composition which comprises a thermally curable component, an inorganic filler, and a carboxylated elastomer having a carboxy equivalent of 270-4,300 g/eq., wherein the content of the carboxylated elasto...  
WO/2018/182626A1
A solidly mounted acoustic resonator, including a first metal region on a substrate, a piezoelectric region over the first metal region, and a second metal region over the piezoelectric region. The second metal region includes an outer f...  
WO/2018/178562A1
A method is disclosed for adjusting the stress state of a piezoelectric film (4) having a first stress state at room temperature, the method comprising a step of forming an assembly (1) including a carrier (2) having a thermal expansion ...  
WO/2018/182681A1
An apparatus is provided which comprises: a substrate, a piezoelectric resonator separated from a surface of the substrate by a void region, a first electrode coupled to a first surface of the piezoelectric resonator parallel to the subs...  
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/2018/159111A1
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/2018/151146A1
[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/2018/143006A1
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/2018/142790A1
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/2018/135650A1
This method for producing an electronic component is characterized by comprising: a first step wherein a base member (137) is provided on a first main surface (132a) of a first substrate (130); a second step wherein the base member (137)...  
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/2018/125165A1
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/2018/125157A1
Modern RF front end filters feature acoustic resonators in a film bulk acoustic resonator (FBAR) structure. An acoustic filter is a circuit that includes at least (and typically significantly more) two resonators. The acoustic resonator ...  
WO/2018/116717A1
The present invention provides a method for manufacturing an elastic wave device in which breakage and chipping of a piezoelectric substrate do not easily occur. The method for manufacturing an elastic wave device comprises: a step for p...  
WO/2018/116651A1
Protruding portions which are formed at the time of frequency coarse adjustment that is performed by irradiating a thick frequency adjustment metal film of a tuning fork-type vibrating reed with a beam in a wafer state, and which protrud...  
WO/2018/100840A1
In order to provide an elastic wave device in which burrs attributable to a metal layer such as a wiring electrode and the like are not easily produced, this elastic wave device 1 is provided with: a piezoelectric body 2 having a princip...  

Matches 1 - 50 out of 20,002