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9041487 Surface acoustic wave filter and duplexer using same  
An SAW filter and a duplexer excellent in electrical characteristics will be provided. An SAW filter has a piezoelectric substrate 40, a surface acoustic wave element 10 having a first IDT...
9035535 Acoustic wave device and multilayered substrate  
An acoustic wave device includes: a substrate; a functional element that is located on the substrate and excites acoustic waves; a side wall portion that is made of a metal and is located on the...
9009947 Methods for making a sensitive resonating beam accelerometer  
A method of making a resonating beam accelerometer (RBA). In an example process, a proof mass device and resonators are created from a quartz material. A direct bond is formed between the proof...
8991722 Microfluidic apparatus for the atomisation of a liquid  
An apparatus (1) for the atomisation of a liquid including: a piezoelectric substrate (5) having at least one working surface (7), at least one electrode (9) supported on the piezoelectric...
8994479 Surface acoustic wave device  
A surface acoustic wave SAW (SAW) device has a substrate and a filter provided at the substrate. The filter has a plurality of interdigital transducers (IDT) electrodes arranged along a...
RE45419 Surface acoustic wave device and method of fabricating the same  
A surface acoustic wave device includes a piezoelectric substrate having a first surface on which comb-like electrodes, first pads connected thereto, and a first film are provided. The first film...
8957565 Acoustic wave device and method for manufacturing the same  
An acoustic wave device includes a first electrode film arranged on a top surface of a piezoelectric substrate and defining electrodes including IDT electrodes and a second electrode film arranged...
8904850 Materials, methods and devices to detect and quantify water vapor concentrations in an atmosphere  
We have demonstrated that a surface acoustic wave (SAW) sensor coated with a nanoporous framework material (NFM) film can perform ultrasensitive water vapor detection at concentrations in air from...
8907543 Surface acoustic wave component  
A surface wave component contains at least two interdigital transducers having natural unidirectionality, disposed on a piezoelectric crystal substrate, which form a transducer pair consisting of...
8896399 Acoustic wave device and module including a dielectric film with an inclined upper surface  
An acoustic wave device includes: a substrate; a dielectric film formed on the substrate; opposing comb-shaped electrodes located between the substrate and the dielectric film, each of the...
8896188 Resonator electrodes and related methods and apparatus  
Resonator structures and electrodes are described, as well as methods for manufacturing the same. Resonator electrodes may be formed using two or more photolithographic steps and masks, with...
8896397 Surface acoustic wave device and method of adjusting LC component of surface acoustic wave device  
A surface acoustic wave device comprises a piezoelectric substrate (1), at least one inter-digital transducers (IDT) (2) provided on the piezoelectric substrate, at least one elongated electrode...
8872409 Method for manufacturing composite piezoelectric substrate and piezoelectric device  
A piezoelectric device is manufactured in which the material of a supporting substrate can be selected from various alternative materials. Ions are implanted into a piezoelectric substrate to form...
8858822 Ceramic material  
A ceramic material includes first and second ceramic materials. The first ceramic material has a perovskite structure and defines a host lattice. The first ceramic material contains lead,...
8829762 Surface acoustic wave device  
A surface acoustic wave device according to the present invention includes a piezoelectric monocrystal substrate 10, and an interdigital electrode 20 configured of a base electrode layer 21 formed...
8803402 Elastic wave device  
An elastic wave device includes an elastic wave resonator which includes a comb-shaped electrode pair including a pair of com-shaped electrodes interdigitating with each other and provided on a...
8791621 Surface acoustic wave resonator, surface acoustic wave oscillator, and electronic apparatus  
A surface acoustic wave resonator includes a quartz substrate with preselected Euler angles and an IDT on the quartz substrate. The IDT includes electrode fingers and excites a stop band upper end...
8773000 Acoustic wave device  
An acoustic wave device includes a supporting substrate made of lithium tantalate, an element substrate made of lithium tantalate, and having a lower surface bonded to and arranged on an upper...
8760039 Compact active vibration control system for a flexible panel  
A diamond-shaped actuator for a flexible panel has an inter-digitated electrode (IDE) and a piezoelectric wafer portion positioned therebetween. The IDE and/or the wafer portion are...
8742645 Surface acoustic wave sensor system  
A surface acoustic wave sensor system includes a base substrate, a piezoelectric substrate disposed on the base substrate, inter-digital transducer (IDT) electrodes disposed along a longitudinal...
8742861 Surface acoustic wave resonator, surface acoustic wave oscillator, and surface acoustic wave module unit  
It is possible to reduce the size of a surface acoustic wave resonator by enhancing the Q value. In a surface acoustic wave resonator in which an IDT having electrode fingers for exciting surface...
8736140 Surface acoustic wave resonator, surface acoustic wave oscillator, and surface acoustic wave module device  
A surface acoustic wave resonator includes a piezoelectric substrate and an interdigital transducer (IDT) that includes electrode fingers exciting a surface acoustic wave on the piezoelectric...
8736402 Elastic wave filter device with IDT electrodes that include a narrower-pitch portion  
An elastic wave filter device having improved sharpness of filter characteristics includes a longitudinally-coupled resonator-type elastic wave filter section including first to third IDT...
8720022 Method of producing an acoustic wave device  
A method of producing an acoustic wave device includes: forming an interdigital electrode on a piezoelectric substrate; forming a barrier film so as to cover the interdigital electrode; forming a...
8723393 Surface acoustic wave device, electronic apparatus, and sensor apparatus  
A SAW device 11 has an IDT which is provided on the principal surface of a quartz crystal substrate 12 having Euler angles (−1.5°≦φ≦1.5°, 117°≦θ≦142°, 42.79°≦|ψ|≦49.57°) and excites a SAW in a...
8723624 Elastic wave device having an insulating film with wiring thereon not arranged over the IDT electrodes  
An elastic wave device that suppresses high-frequency spurious components caused by unwanted waves, such as bulk waves, and improves filter characteristics, includes a piezoelectric substrate, an...
8709791 Detection of bioagents using a shear horizontal surface acoustic wave biosensor  
A biosensor combining the sensitivity of surface acoustic waves (SAW) generated at a frequency of 325 MHz with the specificity provided by antibodies and other ligands for the detection of viral...
8710713 Boundary acoustic wave device  
A boundary acoustic wave device efficiently traps the vibrational energy of boundary acoustic waves and exhibits a high electromechanical coupling coefficient, and is consequently not affected by...
8710940 Elastic wave device having a capacitive electrode on the piezoelectric substrate  
An elastic wave device includes a piezoelectric substrate, an IDT electrode located on the piezoelectric substrate, and a capacitive electrode that is located on the piezoelectric substrate and is...
8698580 Surface acoustic wave device and method for manufacturing the same  
A surface acoustic wave device includes first interconnections and second interconnections connected to a potential different from a potential connected to the first interconnections that are...
8695428 Single input multi-output surface acoustic wave device  
A single-input multi-output surface acoustic wave (“SAW”) device contains two or more output inter-digital transducers (“IDTs”) arranged in a longitudinal direction of a single input IDT. The...
8692439 Surface acoustic wave resonator, surface acoustic wave oscillator, and electronic device  
A surface acoustic wave resonator has a quartz crystal substrate having Euler angles of (φ=0°, 110°≦θ≦150°, 88°≦ψ≦92°) and an IDT having a plurality of electrode fingers disposed on the quartz...
8686614 Multi-port mechanical resonating devices and related methods  
Multi-port devices having multiple electrical ports are described, as are related methods. Some of the multi-port devices may have two input ports and two output ports, and may be driven...
8686809 Ladder-type filter including a dielectric film having a side surface with a heightwise inclination  
A ladder-type filter having plural elastic-wave resonators provided on a series arm and a parallel arm in a ladder shape on a piezoelectric substrate. Each of the elastic-wave resonators has an...
8680744 Surface acoustic wave device  
A surface acoustic wave device includes a piezoelectric substrate made of lithium niobate and including grooves in a surface thereof. Each groove includes a finger of an IDT electrode made of...
8680743 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Surface acoustic wave device, electronic apparatus, and sensor apparatus
 
A SAW device 11 has an IDT which is provided on the principal surface of a quartz crystal substrate 12 having Euler angles (−1.5°≦φ≦1.5°, 117°≦θ≦142°, 42.79°≦|ψ|≦49.57°) and excites a SAW in a...
8680931 Periodic signal generators having microelectromechanical resonators therein that support surface wave and bulk acoustic wave modes of operation with different temperature coefficients of frequency  
A periodic signal generator is configured to generate high frequency signals characterized by relatively low temperature coefficients of frequency (TCF). This generator may include an oscillator...
8674790 Surface acoustic wave device, oscillator, module apparatus  
A surface acoustic wave device includes: a sapphire substrate having a C-plane main surface; comb-like electrodes which excite surface acoustic waves formed on the main surface of the sapphire...
8669688 High-frequency shear-horizontal surface acoustic wave sensor  
A Love wave sensor uses a single-phase unidirectional interdigital transducer (IDT) on a piezoelectric substrate for leaky surface acoustic wave generation. The IDT design minimizes propagation...
8669832 Acoustic wave device and acoustic wave filter  
An acoustic wave device includes an interdigital transducer (IDT) electrode and a separate electrode facing the IDT electrode. The IDT electrode includes first and second comb-shaped electrode...
8624690 Surface acoustic wave device, oscillator, module apparatus  
A surface acoustic wave device includes: a sapphire substrate having a C-plane main surface; an aluminum nitride film which is formed on the main surface of the sapphire substrate; comb-like...
8610517 Surface acoustic wave resonator mounting with low acceleration sensitivity  
A device, comprising a substrate having opposing first and second surfaces, a first surface acoustic wave resonator disposed on the first surface of the substrate, a second surface acoustic wave...
8610518 Elastic guided wave coupling resonator filter and associated manufacturing  
An elastic guided acoustic wave coupling resonator filter includes a dielectric layer interposed between piezoelectric substrates, with interdigital transducers on each substrate generally...
8598766 Surface acoustic wave resonator, surface acoustic wave oscillator, and electronic apparatus  
A surface acoustic wave resonator includes a quartz crystal substrate with Euler angles (−1.5°≦φ≦1.5°, 117°≦θ≦142°, and 42.79°≦|Ψ|≦49.57°), and an IDT provided on the quartz crystal substrate that...
8598968 Elastic wave element and electronic device using the same  
An elastic wave device has a convex portion on the top face of a first dielectric layer over an IDT electrode when the elastic wave device has a structure of a boundary wave device in which a film...
8575818 Surface acoustic wave element  
A surface acoustic wave element has a small energy loss and when it is used in a filter device, suppresses a spurious component occurring near the resonant frequency of a principal response and...
8576025 Acoustic wave device, and filter and duplexer using the same  
An acoustic wave device includes a piezoelectric substrate, an IDT electrode provided on the piezoelectric substrate, a dielectric layer provided so as to cover the IDT electrode, and a first...
8564172 Elastic wave element and electronic apparatus using same  
An acoustic wave element includes a piezoelectric body, first and second interdigital transducer (IDT) electrodes provided on an upper surface of the piezoelectric body, and a first dielectric...
8564171 Acoustic wave element and electronic device including the same  
An acoustic wave element includes a piezoelectric substrate, an IDT electrode, a sidewall, a lid, and an adhesive layer. The IDT electrode is provided on the piezoelectric substrate. The sidewall...
8552618 Surface acoustic wave device with IDT electrodes having different electrode finger pitches and communication apparatus using same  
Among the plurality of IDT electrodes having serially divided type structures, when designating any three continuously and sequentially arranged IDT electrodes as first, second, and third IDT...