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WO/2012/061345 |
An apparatus for controlling propagation of an electromagnetic wave includes a metamaterial having an array of cells, each cell containing a metallic structure having a resonant frequency; a plurality of devices integrated in the metamat...
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WO/2012/060936 |
A device, comprising a substrate (140) having opposing first and second surfaces, a first surface acoustic wave resonator (120) disposed on the first surface of the substrate, a second surface acoustic wave resonator (130) disposed on th...
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WO/2012/059552 |
The invention relates to a chip (CH) which has four filters (Fl, F2, F3, F4 ) operating with surface acoustic waves, and input ports and output (EP1, EP2, API, AP2). Each filter (Fl, F2, F3, F4 ) covers a different frequency band. Each o...
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WO/2012/060235 |
A piezoelectric vibration device that is highly reliable, and in which a piezoelectric element and a support member etc. do not easily break due to the concentration of stress in electrical connections is provided. The piezoelectric vibr...
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WO/2012/056767 |
Provided is an elastic wave splitter having superior isolation characteristics. First ground via-hole electrodes (52j) connect between electrodes (46j, 45j), which are ground wiring electrodes (55). Second ground via-hole electrodes (51j...
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WO/2012/057137 |
[Problem] To provide an electronic device wherein the characteristics thereof are prevented from deteriorating. [Solution] An electronic device (1) is provided with: a chip component (2) having an electronic element (22); a wiring board ...
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WO/2012/055439 |
A switchable filter for different transmission standards that is produceable in a cost-efficient manner and that has reduced cross-talk between different signal paths is provided. The switchable filter comprises a first partial filter, a...
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WO/2012/052414 |
The invention relates to a band rejection filter comprising a piezoelectric substrate (S) and a serial connection of at least two pi-elements (Pi1, Pi2) which are arranged on the substrate (S). The pi-elements (Pi1, Pi2) respectively com...
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WO/2012/053239 |
A branching filter provided with: a transmission filter (F13) which is connected at one end with an antenna terminal (Ant) and is connected at the other end with a transmission terminal (Tx); and a reception filter (F14) which is connect...
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WO/2012/052267 |
The invention concerns a method for mounting a piezoelectric resonator (40) inside a case (80) by ultrasonic bonding of the piezoelectric resonator to a base part of the case. The invention also concerns a small- sized packaged piezoelec...
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WO/2012/051256 |
Embodiments of the invention include micromechanical resonators. These resonators can be fabricated from thin silicon layers. Both rotational and translational resonators are disclosed. Translational resonators can include two plates cou...
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WO/2012/049073 |
The invention relates to an acoustic structure comprising a layer of material having a first Young's modulus, called intrinsic modulus, and a first density, called intrinsic density, characterized in that the layer comprises at least a f...
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WO/2012/049126 |
The invention relates to an acoustic-wave passband filter comprising at least two volume-acoustic-wave resonators that are acoustically coupled to each other laterally, each resonator comprising a layer (Piezo) of piezoelectric material ...
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WO/2012/049374 |
The invention describes an acoustic balanced-unbalanced (balun) or balanced-balanced thin-film BAW filter based on lateral acoustic coupling. In laterally acoustically coupled thin- film BAW filters (LBAW) one can realize transformation ...
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WO/2012/050016 |
An elastic surface wave device having high heat dissipating properties is provided. The elastic surface wave device (1) comprises: a piezoelectric substrate (10); IDT electrodes (11, 12); a cover (15); and wirings (13, 14). The IDT elect...
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WO/2012/049373 |
In laterally coupled BAW (LBAW) filters, the center frequency is generally determined by the thin film stack thickness. However, it is possible to affect the operation frequency with the lateral dimensions of electrodes (13), e.g., elect...
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WO/2012/049187 |
Device for generation of an output signal having a desired frequency, the device comprising: a micro-oven containing a MEMS oscillator, a temperature control system for maintaining the MEMS oscillator at a desired operation temperature i...
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WO/2012/049372 |
The invention relates to an acoustically coupled thin-film BAW filter, comprising a piezoelectric layer (1), an input-port (2) on the piezoelectric layer(1) changing electrical signal into an acoustic wave (SAW, BAW), and an output-port ...
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WO/2012/049174 |
The invention relates to a surface acoustic wave band-pass filter comprising at least a first, input surface acoustic wave resonator (R1E), having an output face, and a second, output surface acoustic wave resonator (R2S), having an inpu...
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WO/2012/046481 |
An elastic wave filter device with little manufacturing variation in terms of filter characteristics is provided. The elastic wave filter device (1) comprises a first and a second signal terminal (21,24), an inductor (L4), and a ladder-t...
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WO/2012/046483 |
An elastic wave filter which is less susceptible to breakdowns caused by ESD is provided. The distance between electrode fingers (22a2,22b2) or dummy electrodes (22a3,22b3) of a first IDT electrode (22), which are adjacent to one another...
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WO/2012/041739 |
The invention relates to a circuit arrangement comprising an antenna port (2), a transmission port (1), and a reception port (3), each of which is connected to one respective 90° hybrid (6, 7, 8) that splits an input signal into two out...
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WO/2012/041615 |
An acoustic wave filter having reduced non-linearities as well as a production method are disclosed. A filter comprises a first electroacoustic transducer having a first metallization ratio and a second electroacoustic transducer having ...
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WO/2012/043615 |
Provided is a method for manufacturing a piezoelectric device with which deterioration of the piezoelectricity of a piezoelectric thin film and damage to the piezoelectric thin film due to ion injection can be prevented. A compressive st...
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WO/2012/043429 |
A high-frequency module is realized that enables isolation to be increased between a transmission-side circuit and a reception-side circuit of a duplexer, and that facilitates miniaturization. The high-frequency module (10) comprises a s...
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WO/2012/043430 |
A high-frequency module is realized that is compact, and in which high-powered transmission signals do not leak into a switching element. The switching element (SWIC) and a duplexer (DUP) are mounted, with a gap of a predetermined distan...
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WO/2012/043616 |
Provided are a piezoelectric device and a method for manufacturing said piezoelectric device, with which deterioration in the surface roughness of a piezoelectric thin film and breaking of a support substrate due to ion injection can be ...
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WO/2012/039266 |
Disclosed is a method for manufacturing a piezoelectric device, which comprises: a piezoelectric body formation step (S3) wherein a piezoelectric body (4) is formed on a substrate (1); and a polishing step (S7) wherein a surface of the s...
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WO/2012/038103 |
The present invention relates to crystal oscillators whereby the crystal oscillator (1) is moulded with a casting compound to build a moulding casting (2) around the crystal oscillator (1), whereby the moulding casting (2) withstands a h...
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WO/2012/039158 |
Disclosed is an electronic part provided with a series resonator (12) and a parallel resonator (14) provided on a piezoelectric substrate (10); a signal wire (20) provided on the piezoelectric substrate (10) and electrically connected to...
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WO/2012/036460 |
Disclosed are a wireless type measurement apparatus using a Surface Acoustic Wave (SAW)-based micro sensor and a method thereof. The wireless type measurement apparatus using the SAW-based micro sensor according to one embodiment of the ...
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WO/2012/034951 |
The device comprises: a supporting member (14); a suspended beam (16), which moves parallel to the plane of the supporting member; and means (18) for detecting the displacement, comprising at least two piezoresistive gauges (20, 22) whic...
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WO/2012/034990 |
The detector comprises: a supporting member (14); a suspended resonator (16), moving parallel to the plane of the supporting member; means (17) for actuating the resonator; and means (18) for detecting the displacement, comprising at lea...
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WO/2012/036178 |
An acoustic-wave device in which at least part of an IDT electrode is located inside a groove formed in a piezoelectric substrate, said groove having a cross-section that narrows at the tip, and said IDT electrode comprises a plurality o...
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WO/2012/033125 |
A substrate is obtained that has suitable strength at low cost, and can tightly bond with a component such as a piezoelectric material substrate. The present invention is a SAW device substrate (1) comprising spinel, wherein the level di...
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WO/2012/032832 |
Provided is an acoustic wave branching filter in which intermodulation distortion (IMD) is suppressed, and which has superior transmission characteristics. An acoustic wave branching filter (1) of the present invention is provided with a...
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WO/2012/030727 |
This disclosure provides implementations of electromechanical systems resonator structures, devices, apparatus, systems, and related processes. In one aspect, a contour mode resonator device includes a first conductive layer with a plura...
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WO/2012/029354 |
The present invention provides an acoustic wave device comprising: a piezoelectric substrate (20) or a piezoelectric film (34); electrodes (22, 32, 36) disposed on top of the piezoelectric substrate (20) or sandwiching the piezoelectric ...
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WO/2012/026207 |
The present invention increases the abruptness of filter characteristics, without increasing the size of an elastic wave filter and while suppressing increases in insertion loss in normal bandwidths. The elastic wave filter (1) compris...
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WO/2012/025409 |
The invention relates to a demodulator for an energy self-sufficient miniaturized microsystem, effectively consuming less energy in comparison to conventional solutions for demodulating an amplitude-modulated HF signal. To this end, an M...
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WO/2012/026157 |
The present invention is a filter and duplexer that are equipped with: series oscillators (S1-S4); parallel oscillators (P1-P4) that are formed on a piezoelectric substrate (10) and that are connected in parallel to the series oscillator...
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WO/2012/022599 |
A duplexer is proposed with a substrate which has at least one patterned metallization plane and on which, at least to some extent, a transmission path (TX) and a reception path (RX) are arranged, both of which are connected to an antenn...
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WO/2012/022586 |
Components with improved protection, for example against moisture, and methods for production of such components are specified. A component comprises a housing, component structures arranged in the housing and a self-organizing monolayer...
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WO/2012/020595 |
Provided is a high frequency module provided with a plurality of branching filters, wherein generation of IMD is suppressed. A high frequency module (20) is provided with first and second branching filters (22, 21), and a band rejection ...
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WO/2012/020173 |
The invention relates to a microelectromechanical resonator and a method of manufacturing thereof. The resonator comprises at least two resonator elements (10A, 10B) made from semiconductor material, the resonator elements being arranged...
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WO/2012/019945 |
An embodiment of a reactance filter with suppression in the stop band comprises a first resonator (10), which is switched between an input connection (E) and an output connection (A) of the reactance filter, a second resonator (20), whic...
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WO/2012/020602 |
In order to reduce variation in resonance frequency caused by variation in the precision of dimensions for a supporting structure of a vibrator, the present invention provides an electrostatic drive-type disk-type MEMS vibrator comprisin...
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WO/2012/020172 |
The invention relates to a temperature compensated micromechanical resonator and method of manufacturing thereof. The resonator comprises a resonator element comprising a semiconductor crystal structure, which is doped so as to reduce it...
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WO/2012/020601 |
In order to provide complete removal of a sacrificial layer on a disk lower surface during etching, without leaving residue, an electrostatic drive-type disk-type vibrator comprises: a disk-type vibrator structure (1); a pair of drive el...
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WO/2012/019904 |
The invention relates to a component working with acoustic waves, having an improved temperature gradient of the frequency range and having increased performance strength. To this end, the component comprises a stack of layers having a l...
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