Matches 1 - 50 out of 178 1 2 3 4 >


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US20110095844 ELASTIC WAVE DEVICE AND LADDER FILTER DEVICE  
An elastic wave device includes a first elastic wave resonator and a second elastic wave resonator that are connected in series to each other, and a resistor is connected in parallel with the...
US20150236238 ELASTIC WAVE ELEMENT AND LADDER FILTER USING SAME  
Methods and apparatus for reducing electric loss in an elastic wave element. In one example, the elastic wave element includes a piezoelectric body having a upper surface, an interdigital...
US20130229242 ELASTIC WAVE FILTER DEVICE  
An elastic wave filter device includes a ladder filter unit, a first inductor, a second inductor, and a capacitor. The ladder filter unit includes at least three parallel arms including a first...
US20070040478 Implants  
A piezoelectric device is produced by providing a material having a hydroxyapatite (HA) component. The HA component is textured by, for example uniaxial pressing, to impart one of the limiting...
US20120326808 MICRO-ACOUSTIC FILTER HAVING COMPENSATED CROSS-TALK AND METHOD FOR COMPENSATION  
The invention relates to a micro-acoustic filter having a first and a second converter, in which the electromagnetic and capacitive cross-talk between the first and second converters is...
US20080315972 Acoustic Wave Transducer and Filter Comprising Said Transducer  
A transducer includes an acoustic track in which an acoustic wave can be propagated, the acoustic track having a transversal fundamental mode, the acoustic track being subdivided in a transversal...
US20130328643 SAW Device and Method for Post-Seal Frequency Trimming  
A surface acoustic wave (SAW) device includes a piezoelectric crystal substrate on which an acoustic channel is formed, at least one electro-mechanical transducer operatively associated with the...
US20130088305 LADDER ACOUSTIC WAVE FILTER DEVICE AND BRANCHING FILTER  
A ladder acoustic wave filter device is constructed such that ripples in the pass band are suppressed, and insertion loss is small in both of a high frequency side portion and a low frequency side...
US20120146745 VARIABLE ACOUSTIC GRATING BASED ON CHANGING ACOUSTIC IMPEDANCES  
An embodiment is a variable acoustic grating. Each of the local grating structures in an array of local grating structures has a variable impedance such that the impedance is modified, steering an...
US20120319802 ACOUSTIC WAVE DEVICE  
A SAW device (1) comprises a substrate (3); SAW elements (10) on a first main surface (3a) of the substrate (3); first lines (intermediate lines (29) and output side lines (31)) that are disposed...
US20130257562 ACOUSTIC WAVE FILTER HAVING REDUCED NON-LINEARITIES, AND METHOD FOR PRODUCTION  
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...
US20080055022 Integrated saw device heater  
An integrated SAW device features an electronic assembly, a SAW device mounted to the electronic assembly, and a heater element on the SAW device to minimize thermal resistance between the SAW...
US20120286895 LADDER FILTER, DUPLEXER AND MODULE  
A ladder filter includes at least one series resonator connected in series between an input terminal and an output terminal, at least one parallel resonator connected in parallel with the at least...
US20120235767 BRANCHING FILTER  
A branching filter includes a longitudinally-coupled-resonator-type elastic wave filter having a balanced-unbalanced transformation function and the branching filter has excellent balance...
US20130321102 ACOUSTIC WAVE DEVICE  
An acoustic wave device includes: an acoustic wave filter chip that is mounted on a multilayered substrate including wiring layers; a first wiring that is electrically coupled to an internal...
US20080211602 High-Frequency Acoustic Wave Device  
An acoustic wave device comprising a piezoelectric layer on an omnidirectional acoustic mirror and excitation and/or reception means on a surface of said piezoelectric layer, capable of exciting...
US20110260809 SURFACE ACOUSTIC WAVE DEVICE AND SURFACE ACOUSTIC WAVE OSCILLATOR  
A surface acoustic wave device, includes: an interdigital transducer serving as an electrode pattern to excite a Rayleigh surface acoustic wave, the interdigital transducer including a...
US20120032759 Acoustic Wave Device and Method for Manufacturing Same  
A SAW device (1) has a substrate (3) configured to propagate acoustic waves; an IDT electrode (15) on a first main surface (3a) of a substrate (3); and an electrode pad (13) on the first main...
US20120146746 Surface Acoustic Wave Device  
A SAW device 1 has a substrate 3 and a filter 9 provided at the substrate 3. The filter 9 has a plurality of IDT electrodes 15 arranged along a propagation direction of a SAW. Each of the...
US20050264377 Integrated rotary connector and dynamic RF shield  
A rotary cable connector assembly for connecting coaxial waveguides. The assembly includes a metal stator having a counterbored well and a metal rotor extending coaxially into the well. An axial...
US20140118094 ACOUSTIC WAVE FILTER AND MODULE  
An acoustic wave filter includes: multimode filters, each including an IDT, connected in parallel; a ceiling that is commonly located above at least two multimode filters of the multimode filters...
US20110063051 Surface acoustic wave resonator filter  
A SAW resonator filter including a SAW resonator, and a first inductive reactance in parallel with the SAW resonator for shifting the null points below and above the center frequency for...
US20120105298 ACOUSTIC WAVE FILTER  
A configuration that reduces a parasitic capacitance between wires is achieved at a low cost. Disclosed is an acoustic wave filter provided with a piezoelectric substrate 1, resonators 2a and 2b...
US20130169383 SWITCHABLE FILTERS AND DESIGN STRUCTURES  
Switchable and/or tunable filters, methods of manufacture and design structures are disclosed herein. The method of forming the filters includes forming at least one piezoelectric filter structure...
US20090295507 ACOUSTIC WAVE ELEMENT  
An acoustic wave element includes an IDT electrode in contact with a piezoelectric material and including a plurality of electrode fingers, which include first and second electrode fingers that...
US20110080234 BOUNDARY ACOUSTIC WAVE DEVICE  
A boundary acoustic wave device includes an electrode structure that is provided at the interface between a piezoelectric substrate and a dielectric layer. The electrode structure defines a ladder...
US20110140808 ELASTIC WAVE DEVICE  
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...
US20110221546 ELASTIC WAVE DEVICE  
An elastic wave device includes a piezoelectric substrate, an IDT electrode disposed on the piezoelectric substrate, an internal electrode disposed on the piezoelectric substrate and connected to...
US20140035702 HYBRID FILTER INCLUDING LC- AND MEMS-BASED RESONATORS  
This disclosure provides implementations of filters and filter topologies, circuits, structures, devices, apparatus, systems, and related processes. In one aspect, a device includes one or more LC...
US20090267707 ELASTIC WAVE DEVICE  
An elastic wave device is described which includes a piezoelectric substrate, comb-shaped electrodes having teeth electrodes that are disposed so as to face each other on the piezoelectric...
US20130027156 CIRCUIT MODULE AND COMPOSITE CIRCUIT MODULE  
A SAW filter includes a piezoelectric substrate, a longitudinal coupling portion disposed on a main surface of the piezoelectric substrate, a support layer and cover layers covering the main...
US20140312993 METHOD OF FABRICATING MULTI-BAND FILER MODULE  
A method of fabricating a multi-band filter module is provided. The method includes forming a Film Bulk Acoustic Resonator (FBAR) on a piezoelectric substrate by forming a resonant part on the...
US20100052819 ACOUSTIC WAVE DEVICE AND SYSTEM  
An acoustic wave device includes: a piezoelectric substrate; at least five IDTs (InterDigital Transducers) arranged on the substrate in directions of SAW (Surface Acoustic Wave) propagation; and...
US20080136563 Electromagnetic composite metamaterial  
An electromagnetic composite metamaterial including an electromagnetic medium and a plurality of spaced electromechanical resonators disposed in or on the electromagnetic medium configured to...
US20140007692 SURFACE ACOUSTIC WAVE MONITOR FOR DEPOSITION AND ANALYSIS OF ULTRA-THIN FILMS  
A surface acoustic wave (SAW) based thin film deposition monitor device and system for monitoring the deposition of ultra-thin films and nanomaterials and the analysis thereof is characterized by...
US20110204998 ELASTIC WAVE ELEMENT AND ELECTRONIC DEVICE USING THE SAME  
Offers elastic wave device that has convex portion on the top face of first dielectric layer over IDT electrode when elastic wave device has a structure of a boundary wave device in which a film...
US20120200371 ACOUSTIC WAVE DEVICE AND METHOD FOR MANUFACTURING THE SAME  
An acoustic wave device includes: a piezoelectric substrate; a dielectric layer formed on the piezoelectric substrate; and first and second comb-tooth electrodes formed on the dielectric layer,...
US20080074211 Systems and Methods for Electrically Reducing Ferroelectric Materials to Increase Bulk Conductivity  
According to some embodiments, a pre-poled, single-domain body of a ferroelectric crystalline material such as lithium tantalate or lithium niobate is electrically reduced by applying a voltage...
US20140028414 Surface Acoustic Wave Filter  
A surface acoustic wave filter includes a θ-rotated Y-cut X-propagation lithium niobate substrate. The cut angle ranges from 20° to 40°. An interdigital transducer can be used for exciting a...
US20120223789 ELASTIC-WAVE FILTER DEVICE AND COMPOSITE DEVICE INCLUDING THE SAME  
An elastic-wave filter device includes a first piezoelectric substrate, a second piezoelectric substrate, a first pillar-like wiring electrode, and a second pillar-like wiring electrode. The first...
US20090160574 BOUNDARY ACOUSTIC WAVE FILTER  
A boundary acoustic wave filter device includes an electrode structure provided at a boundary between a piezoelectric body and a dielectric body laminated on the piezoelectric body and utilizes an...
US20130222079 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...
US20140145799 ACOUSTIC WAVE BAND REJECT FILTER  
A method and system for an acoustic wave band reject filter are disclosed. According to one aspect, an acoustic wave band reject filter includes a substrate and a plurality of acoustic wave band...
US20130214878 Acoustic Wave Bandpass Filter Comprising Integrated Acoustic Guiding  
An acoustic wave bandpass filter comprises at least an input first acoustic wave resonator with an output surface, and an output second acoustic wave resonator with an input surface, said...
US20130049882 COMMUNICATION MODULE  
A communication module includes a plurality of duplexers, wherein at least either IDT electrodes of transmit filters of at least two of the plurality of duplexers having a different transmit band...
US20150194947 ELASTIC WAVE DEVICE AND MANUFACTURING METHOD THEREOF  
In an elastic wave device, a first electrode structure and a second electrode structure are provided on a piezoelectric substrate, first and second elastic wave element portions are configured by...
US20100134203 FILTER AND ANTENNA DUPLEXER  
There is provided a filter including a first resonator, a second resonator in which an excitation efficiency is reduced more than the first resonator, and an inductor connected in parallel with...
US20130057361 SURFACE ACOUSTIC WAVE DEVICE AND PRODUCTION METHOD THEREFOR  
A surface acoustic wave device includes a surface acoustic wave element including a plurality of electrode pads, and a mount substrate. The surface acoustic wave element is flip-chip mounted on a...
US20120139665 WIDE BANDWIDTH SLANTED-FINGER CONTOUR-MODE PIEZOELECTRIC DEVICES  
Contour-mode piezoelectric devices and methods of forming contour mode piezoelectric devices. The contour mode piezoelectric device includes a piezoelectric film having first and second surfaces...
US20140266511 NETWORK SYNTHESIS DESIGN OF MICROWAVE ACOUSTIC WAVE FILTERS  
Methods for the design of microwave filters comprises comprising preferably the steps of inputting a first set of filter requirements, inputting a selection of circuit element types, inputting a...

Matches 1 - 50 out of 178 1 2 3 4 >