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Matches 1 - 50 out of 49,550

Document Document Title
WO/2018/105201A1
Provided is a composite component which has a semiconductor device and an acoustic wave device stacked therein and which has excellent heat dissipation. In a composite component 3: a semiconductor device 21 is stacked on an acoustic wave...  
WO/2018/106814A1
A bulk acoustic wave sensor includes a delay layer. The sensor includes an acoustic mirror and a base resonator. The base resonator includes a piezoelectric layer and two electrodes. One or more delay layers are disposed adjacent to the ...  
WO/2018/105193A1
A filter (11) is provided with: a first resonance circuit (110) having at least one first resonance frequency and a second resonance circuit (120) having at least one second resonance frequency different from the first resonance frequenc...  
WO/2018/105249A1
Provided is an acoustic wave device that has low loss and excellent frequency-temperature characteristics, and in which spurious components due to a high-order mode are not likely to occur, and that is able to suppress IMD deterioration....  
WO/2018/102666A1
A circuit device formed from a functional substrate. The circuit device (100) comprises a functional substrate component (104) and printed electronic elements (102) formed on the functional substrate component. The printed electronic ele...  
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...  
WO/2018/096783A1
An elastic wave device (1) comprises a piezoelectric substrate (11) and an IDT electrode (5) provided on the piezoelectric substrate (11). The IDT electrode (5) has busbar electrodes (7a, 7c (or 7b, 7d)) that extend in an elastic wave pr...  
WO/2018/097203A1
An elastic wave filter (10) is provided with: series arm resonators s1,s2 each comprising an elastic wave resonator; and a parallel arm resonator p1 that is provided in a second path connecting a node N and the ground to each other, said...  
WO/2018/097132A1
This crystal oscillator (101) is provided with: a piezoelectric vibration plate (2), in which a first excitation electrode and a second excitation electrode are formed; a first sealing member (3) for covering the first excitation electro...  
WO/2018/095311A1
The embodiments herein relate to surface acoustic wave (SAW) devices, such as filters and duplexers. The SAW device may have a high acoustic velocity layer and a piezoelectric layer coupled to the high acoustic velocity layer. At least o...  
WO/2018/097995A1
An apparatus (1) for connecting two substrates (2, 3) for an electric component features a chamber (4) for inserting the substrates (2, 3), wherein a gas inlet (13) is arranged to direct a gas (14) in the chamber (4) in a targeted manner...  
WO/2018/096797A1
A piezoelectric monocrystalline substrate 6 is made of LiAO3 (where A is one or more elements selected from the group consisting of niobium and tantalum). A joint layer 3A is made of an oxide of one or more elements selected from the gro...  
WO/2018/097201A1
An elastic-wave filter (10) is provided with: a serial arm resonator (12) provided in a path for connecting input and output terminals (110 and 120); a parallel arm resonator (21) provided in a path for connecting a node N1, which is in ...  
WO/2018/096799A1
This filter device (2) is provided with: a ladder-type first filter (20) having serial resonators (S1-S4) provided in an inter-terminal path (CH1) and parallel resonators (P1-P4) provided in connection paths (CH2); a first acoustic wave ...  
WO/2018/096274A1
The invention concerns a mechanical diode device (MECADIODE) for transmitting a mechanical wave between a first pole (P1) and a second pole (P2), said device (MECADIODE) comprising a first transducer (T1) coupled to said first pole (P1),...  
WO/2018/097016A1
[Problem] To provide an elastic wave device that has a superior TCF and that is capable of enhancing the Q and the impedance ratio of a resonator. [Solution] The present invention has: a substrate 11 containing silicon dioxide (SiO2) in ...  
WO/2018/092776A1
This quartz oscillator (102) comprises a quartz oscillator plate (2) having a first excitation electrode (221) and a second excitation electrode (222) formed thereupon, a first sealing member (3) covering the first oscillation electrode ...  
WO/2018/093508A1
A multiplexer with an improved isolation between TX and RX is provided. To that end, at least one of the TX and RX filters has two ground connections separate from each other.  
WO/2018/092511A1
A filter (15) is provided with: a LiTaO3 piezoelectric layer (227) having a cut angle θ°; a high-acoustic-velocity support substrate (228); a low-acoustic-velocity film (226); and an IDT electrode (22). An optimum cut angle θB of the ...  
WO/2018/092572A1
[Problem] To curb fluctuations in properties caused by changes in the external environment, thereby improving reliability, in a quartz oscillation device comprising a quartz oscillator having a sandwich structure. [Solution] This quartz ...  
WO/2018/093137A1
A surface acoustic wave element package according to the present invention includes: a surface acoustic wave element including a piezoelectric substrate, and including an IDT electrode and a plurality of electrodes formed on the piezoele...  
WO/2018/092470A1
Provided is an acoustic wave device which can be downsized and suppress unnecessary waves. An acoustic wave device 1 is provided with: a piezoelectric substrate 2 made of LiNbO3; an IDT electrode 3 disposed on the piezoelectric substrate...  
WO/2018/088118A1
Provided is an elastic wave device low in longitudinal-mode ripples and limited in loss within a band. An elastic wave device 1 is configured such that reflectors 3, 4 and an IDT electrode 2 having a plurality of electrode fingers 11 and...  
WO/2018/088153A1
A reception filter (20) is provided with: a parallel arm resonator (p1); a longitudinal coupling resonator (d1) that has a plurality of first elastic wave resonators; and a longitudinal coupling resonator (d2) that is connected to the lo...  
WO/2018/087802A1
Provided is a multi-band filter (100) that can form a passband and ensure attenuation in a suppression band outside the passband, by being equipped with: a printed substrate (10); a first filter (20); a second filter (30) having external...  
WO/2018/087978A1
[Problem] To provide a temperature detection device with which there is no break in temperature detection when detecting the temperature on the basis of a change in the oscillation frequency of a crystal piece. [Solution] First and secon...  
WO/2018/088093A1
Provided are: a method for manufacturing a substrate having exceptional heat dissipation, and little loss with respect to high frequency waves, without requiring a high-temperature process in which diffusion of metal impurities occurs; a...  
WO/2018/085268A1
A layer sequence is proposed that comprises first and second layers that are deposited atop one another in alternation, wherein the first layers (SC1, SC2) comprise SiC1 -xHx and the second layers (SOC1, SOC2) comprise SiOC(H).  
WO/2018/079485A1
Provided is an elastic wave device that has low susceptibility to defects such as cracking in an elastic wave element substrate, and has excellent reliability. An elastic wave device 1 has a surface acoustic wave element 3 mounted on a m...  
WO/2018/079007A1
Provided is an elastic wave device with which it is possible to increase the dissipation of heat occurring due to the heat generation of a transmission filter, and to suppress the propagation of the heat from the transmission filter to a...  
WO/2018/079284A1
Provided is a ladder type filter capable of improving steepness and sufficiently increasing out-band attenuation without causing degradation of electric power resistance. This ladder type filter is provided with: a plurality of series ar...  
WO/2018/080900A1
Aspects of this disclosure relate to a multiplexer, such as a duplexer, a quadplexer, a hexaplexer, or the like. The multiplexer includes acoustic wave filters coupled to a common node. A first acoustic wave filter of the acoustic wave f...  
WO/2018/081092A1
It is proposed to use a doped lithium niobate as a substrate material for SAW devices having an improved thermal conductivity. MgO is a given as a preferred example for manufacturing SAW devices having a substantially reduced self-heating.  
WO/2018/079574A1
An acoustic wave element 1 comprises an IDT electrode 3 provided with a first electrode finger 32a and a second electrode finger 32b which are connected to mutually different potentials and are arranged spaced apart from each other. When...  
WO/2018/079522A1
A SAW filter comprises a piezoelectric substrate, a series arm, and a parallel resonance portion. The series arm includes one or more series resonance portions positioned on the piezoelectric substrate. The parallel resonance portion is ...  
WO/2018/074216A1
The present invention suppresses a decrease in the resonance frequency of a piezoelectric oscillator. A quartz oscillator (10) according to the present invention is provided with: a package (11) including a substrate (12), a lid (14) and...  
WO/2018/068803A1
A base station antenna with arbitrary number of beams having arbitrary beam widths has been developed. It consists of two parabolic cylindrical reflectors and a set of novel small size broadband resonant feeds. For the first time, the mu...  
WO/2018/070221A1
A production method for a piezoelectric oscillator, the method including: a step for preparing a piezoelectric oscillation element (10) that has a piezoelectric piece (11), a pair of excitation electrodes (14a, 14b) that are respectively...  
WO/2018/070369A1
This acoustic wave device 1 is provided with: a piezoelectric substrate 2 that has a first surface 2A and a second surface 2B; a supporting substrate 6 that is bonded to the second surface 2B of the piezoelectric substrate 2; and a first...  
WO/2018/070273A1
Provided is an acoustic wave filter device which is capable of reducing ripples in a stopband on the high-frequency side of a passband of a bandpass filter, and with which deterioration due to an insertion loss of another bandpass filter...  
WO/2018/070336A1
A piezoelectric vibrator (1) is provided with: a piezoelectric vibration element (10); a base member (30) including a first principal surface (32a) on which the piezoelectric vibration element (10) is held by conductive holding members (...  
WO/2018/070135A1
A piezoelectric oscillation element (10) comprising: a piezoelectric substrate (11) that includes a first main surface (12a) and a second main surface (12b), which have long sides and short sides and face each other, and a first side sur...  
WO/2018/065696A1
An electric measurement circuit possesses an electrical reaction leg (2) for forming an oscillator (10) from a resonator (1), and furthermore possesses a measurement leg (4) the input of which is supplied by said electrical reaction leg ...  
WO/2018/066653A1
[Problem] The objective of the present invention is to provide a method of manufacturing a composite substrate configured to include a piezoelectric layer having a low variation in an amount of Li, and a support substrate. [Solution] Thi...  
WO/2018/063305A1
Techniques are disclosed for forming resonator devices using epitaxially grown piezoelectric films. Given the epitaxy, the films are single crystal or monocrystalline. In some cases, the piezoelectric layer of the resonator device may be...  
WO/2018/061448A1
Provided is a ladder filter with which it is possible to reduce the number of impedance matching elements, reduce loss caused by impedance matching elements, and reduce a mounting area. A ladder filter 1 is equipped with: a plurality of ...  
WO/2018/063291A1
Techniques are disclosed for forming integrated circuit single-flipped resonator devices that include an electrode formed of a two-dimensional electron gas (2DEG). The disclosed resonator devices may be implemented with various group III...  
WO/2018/063284A1
Techniques are disclosed for forming high frequency film bulk acoustic resonator (FBAR) devices that include a bottom electrode formed of a two-dimensional electron gas (2DEG). The disclosed FBAR devices may be implemented with various g...  
WO/2018/063299A1
A bulk acoustic resonator architecture is fabricated by epitaxially forming a piezoelectric film on a top surface of post formed from an underlying substrate. In some cases, the acoustic resonator is fabricated to filter multiple frequen...  
WO/2018/061436A1
Provided is an elastic wave device in which disconnection of a wiring electrode is made less likely to occur. The elastic wave device 1 includes a piezoelectric substrate 2 with a main surface 2a on which first and second IDT electrodes ...  

Matches 1 - 50 out of 49,550