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Matches 1 - 50 out of 50,821

Document Document Title
WO/2019/155120A1
The invention relates to a microelectromechanical resonator, comprising a support structure, a resonator element suspended to the support structure, the resonator element comprising a plurality of sub-elements, and an actuator for exciti...  
WO/2019/154345A1
A bulk acoustic wave resonator and a manufacturing method therefor. The bulk acoustic wave resonator comprises: an air gap (305) outside an effective piezoelectric region (306), the air gap (305) being located between an upper electrode ...  
WO/2019/155663A1
This MEMS device is provided with: a piezoelectric film; a first electrode and a second electrode, by which the piezoelectric film is sandwiched; a protective film which is arranged so as to cover at least a part of the second electrode,...  
WO/2019/155119A1
The invention concerns a microelectromechanical resonator comprising a support structure, a resonator element suspended to the support structure, and an actuator for exciting the resonator element to a resonance mode. According to the in...  
WO/2019/156713A1
A micromechanical resonator is provided that enables a smaller total package size with an acceptable quality factor for timing applications. The MEMS resonator includes a vibration portion with a base and three or more vibrating beams ex...  
WO/2019/154655A1
A filter circuit comprises in a signal line a band filter (BF) allowing to let pass a useful frequency band and a notch filter (NF) circuited in series to the band filter for filtering out a stop band frequency. The notch filter comprise...  
WO/2019/149538A1
A filter circuit is provided comprising a band pass filter (TXF) and a notch filter element (NE). According to the invention the filter function and the notch function are separated and optimized independently so that no unwanted interac...  
WO/2019/150689A1
A filter device (1) is provided with: a first terminal (T1) and a second terminal (T2), and a first filter (FLT1) and a second filter (FLT2). The first filter (FLT1) and the second filter (FLT2) are disposed in parallel between the first...  
WO/2019/150688A1
The present invention reduces insertion loss in a pass band of a filter device. A filter device (1) according to one embodiment of the present invention is provided with: a first terminal (T1) and a second terminal (T2), and a first filt...  
WO/2019/150992A1
On the inner surface of a package in which two piezoelectric filter elements are housed, a shield electrode facing both electrodes of an input electrode and an output electrode of a piezoelectric substrate of each of the piezoelectric fi...  
WO/2019/146699A1
This wiring board is provided with an insulating substrate, an external electrode positioned on a first surface of the insulating substrate, and wiring positioned inside the insulating substrate and electrically connected to the external...  
WO/2019/146658A1
A wiring board according to the present disclosure is provided with: an insulation substrate having a main surface; and an external connection conductor, a portion of which is located inside the insulation substrate and another portion o...  
WO/2019/145258A1
A BAW resonator comprises a center area (CA), an underlap region (UL) surrounding the center area having a thickness smaller than the thickness dc of the center region and a frame region (FR), surrounding the underlap region having thick...  
WO/2019/141073A1
The present invention provides a film bulk acoustic resonator, comprising a layered structure composed of a top electrode, a piezoelectric layer, and a bottom electrode; and a substrate. A reflective interface is provided between the bot...  
WO/2019/141205A1
A surface acoustic wave (SAW) device (200), the SAW device (200) includes a piezoelectric layer (304) and a transducer (204,206) having a plurality of electrodes (214). The electrodes (214) are aligned with respective longitudinal axes p...  
WO/2019/142483A1
[Problem] To improve the bonding strength in the bonding of a piezoelectric material substrate made from lithium tantalite or the like to a supporting substrate having a silicon oxide layer formed thereon. [Solution] An assembly is provi...  
WO/2019/143742A1
One embodiment is directed to an implantable probe system for delivering acoustical energy to a targeted tissue portion of a patient, comprising: a plurality of substrate portions, each substrate portion comprising at least one acoustica...  
WO/2019/138811A1
In order to reduce stopband ripple in frequencies above an antiresonance frequency, this elastic wave device (1) includes multiple elastic wave resonators (31-39) disposed between a first terminal (101), which is an antenna terminal, and...  
WO/2019/138813A1
This elastic wave device reduces spurious Rayleigh waves generated in frequencies below the passband while suppressing characteristic degradation of the passband. In this elastic wave device (1), an antenna terminal resonator electricall...  
WO/2019/139076A1
Provided is an acoustic wave device which is capable of more reliably suppressing transverse modes. An acoustic wave device 1 according to the present invention is provided with: a piezoelectric substrate 2 which has a convexed slowness ...  
WO/2019/138812A1
In order to decrease change due to temperature in higher-order modes occurring above a passband while suppressing characteristic degradation of the passband, in this elastic wave device (1), an antenna terminal resonator electrically nea...  
WO/2019/138786A1
The present invention is provided with: a first matching circuit (21) having one end connected to a common terminal (P0); a first filter (11) having one end and the other end respectively connected to the other end of the first matching ...  
WO/2019/138810A1
The purpose of the present invention is to suppress higher-order modes. Defining the elastic wave resonator of multiple elastic wave resonators (31-39) that is electrically closest to the first terminal (101) as the antenna terminal reso...  
WO/2019/136385A1
The invention is a method for performing secure computation using a solid volume of material to which a number of electrodes are attached. At certain frequency combinations the material may act as a capacitor network, whereupon it may th...  
WO/2019/136377A1
Disclosed herein is a system that provides an entirely new way of computing. Engineered traveling or standing wave pulse patterns in certain types of materials can be interpreted as a computation. Internal pulse patterns in the materials...  
WO/2019/131014A1
According to the present invention, a support part (40) and a cover part (50) are provided with a through hole (80) that penetrates therethrough from the upper surface (51) of the cover part (50), said upper surface (51) being on the opp...  
WO/2019/131533A1
An elastic wave filter (10) comprises: a piezoelectric substrate (70) ; input/output terminals (110 and 120) formed on the substrate (70); mutually separated ground terminals (130 and 140) formed on the substrate (70); and a vertically c...  
WO/2019/130905A1
A high-frequency apparatus (1) that comprises: a device (10); a device (20); and a mounting substrate (30) for mounting the devices (10, 20). At least device (20) is an elastic wave device that includes a piezoelectric substrate and a fu...  
WO/2019/132931A1
A resonator including a III-N material is described. The III-N based resonators include a cavity in a substrate, where the substrate includes a group IV material. The resonator further includes a liner on a surface of the substrate withi...  
WO/2019/132921A1
Embodiments of the invention include an acoustic wave resonator (AWR) module. In an embodiment, the AWR module may include a first AWR substrate and a second AWR substrate affixed to the first AWR substrate. In an embodiment, the first A...  
WO/2019/130773A1
A vibration device 1 is provided with: a piezoelectric vibrator 3 having a piezoelectric element 13 and a vibration plate 15 which has a pair of main surfaces 15a, 15b facing each other, and which has the piezoelectric element 13 joined ...  
WO/2019/131866A1
Provided are: a wiring board which can be easily miniaturized while maintaining the strength thereof; an electronic device; and an electronic module. This wiring board is provided with: an insulation substrate having a recess section in ...  
WO/2019/131868A1
This filter module (3) comprises: a filter (11) positioned on a path linking an input/output terminal (m1) and an input/output terminal (m2); a filter (12) positioned on a path linking an input/output terminal (m3) and an input/output te...  
WO/2019/130852A1
[Problem] To make it possible to suppress characteristic deterioration of an assembly when joining a piezoelectric material substrate consisting of a material such as lithium niobate, and a support substrate provided with a silicon oxide...  
WO/2019/130895A1
[Problem] To improve the characteristics of a joined body when a piezoelectric material substrate comprising lithium niobate, etc., and a support substrate provided with a silicon oxide layer are joined. [Solution] A joined body 8, 8A, p...  
WO/2019/131530A1
An acoustic wave filter (10) is provided with series-arm resonators (101 to 105) and parallel-arm resonators (201 to 204). The series-arm resonators (101 to 105) and the parallel-arm resonators (201 to 204) are acoustic wave resonators t...  
WO/2019/132926A1
RF front end systems or modules with an acoustic wave resonator (AWR) on an interposer substrate are described. In an example, an integrated system includes an active die, the active die comprising a semiconductor substrate having a plur...  
WO/2019/132925A1
RF front end systems, and more particularly an RF front end system with an integrated and hermetically sealed acoustic wave resonator (AWR), are described. In an example, a system die includes a semiconductor substrate having a first sid...  
WO/2019/129979A1
The invention relates to a method for producing an adjustable bulk acoustic wave resonator comprising a transducer stack (E1) and a tuning stack (E2). According to the invention, transducer stack (E1) comprises two defined electrodes (4,...  
WO/2019/130943A1
An elastic wave device (10A) is provided with: a substrate (11); a functional element (12) disposed on the substrate (11); a cover layer (14) disposed on the substrate (11) so as to cover the functional element (12); and a protection lay...  
WO/2019/130857A1
[Problem] To suppress characteristic deterioration of an assembly when joining a piezoelectric material substrate consisting of a material selected from the group consisting of lithium niobate, lithium tantalate, and lithium niobate-lith...  
WO/2019/132924A1
Packaged RF front end systems including a hybrid filter and an active circuit in a single package are described. In an example, a package includes an active die comprising an acoustic wave resonator. A package substrate is electrically c...  
WO/2019/132937A1
Hybrid filters and more particularly filters having acoustic wave resonators (AWRs) and lumped component (LC) resonators and packages therefor are described. In an example, a packaged filter incudes a package substrate, the package subst...  
WO/2019/132950A1
An electrical device (100) that comprises at least one signal filter (104) comprising a plurality of mechanical resonators (106, 108, 110) in a substrate (102) and at least one further mechanical resonator (112) in the substrate (102) co...  
WO/2019/131501A1
A multiplexer (1) is provided with: a first filter (10) serving as a reception filter which uses an elastic wave and in which a first frequency band is the pass band; a second filter (20) in which a second frequency band is the pass band...  
WO/2019/124128A1
Provided is an acoustic wave device wherein a piezoelectric layer is not susceptible to breakage and the filter characteristics are not susceptible to deterioration. An acoustic wave device 1 according to the present invention is provide...  
WO/2019/119147A1
In a frequency multiplexed capacitive touch sensor, a plurality of resonance frequencies may be used to drive electrodes for sensing touch. A capacitive touch sensor apparatus is provided that includes a substrate layer and a plurality o...  
WO/2019/123810A1
Provided is an acoustic wave device capable of improving ESD tolerance while suppressing inhibition in a piston mode. This acoustic wave device (1) comprises: a piezoelectric unit (24); an IDT electrode (3) connected to a first terminal ...  
WO/2019/123812A1
The present invention provides an elastic wave device capable of improving ESD tolerance while suppressing inhibition of a piston mode. This electric wave device (1) comprises an IDT electrode (3) connected to a first terminal (11) and a...  
WO/2019/121991A1
The invention combines two filter technologies on a single device using the same substrate there for. On this substrate a filter circuit is arranged that has a ladder-type or a lattice arrangement of series and parallel impedance element...  

Matches 1 - 50 out of 50,821