Patents
Patents for H03H 9 - Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators (20,116)
01/2003
01/15/2003CN1391343A Acoustic surface wave filter
01/15/2003CN1099158C Encapsulation for electronic components
01/14/2003US6507141 Inertial rate sensor tuning fork
01/14/2003US6507139 Apparatus having an electronic component located on a surface of a package member with a space therebetween
01/09/2003WO2003003574A1 Surface acoustic wave filter
01/09/2003WO2003003573A1 Crystal resonator based oscillator formed by attaching two separate housings
01/09/2003US20030006863 Surface acoustic wave device
01/09/2003US20030006862 Piezoelectric resonator, filter, and electronic communication device
01/09/2003US20030006861 Electrically-coupled mechanical band-pass filter
01/09/2003US20030006859 Surface acoustic wave device and communication apparatus
01/09/2003US20030006679 Width-extensional Mode piezoelectric crystal resonator
01/09/2003US20030006677 Piezoelectric ceramic, method for producing piezoelectric ceramic, and piezoelectric oscillator
01/09/2003US20030006673 Piezoelectric transducer
01/09/2003US20030006672 Film bulk acoustic resonator and method for fabrication thereof
01/09/2003US20030005878 ZnO/sapphire substrate and method for manufacturing the same
01/08/2003EP1274169A2 Surface acoustic wave filter of multi-stage connection type
01/08/2003EP1274168A2 Piezoelectric resonator, manufacturing method for the same, piezoelectric filter, manufacturing method for the same, duplexer, and electronic communication device
01/08/2003EP1274167A2 Surface acoustic wave element and manufacturing method of the same
01/08/2003EP1273099A1 Tunable filter arrangement comprising resonators.
01/08/2003CN1389984A 弹性表面波装置 Surface acoustic wave device
01/08/2003CN1389983A Piezoelectric wave filter
01/08/2003CN1389982A Surface acoustic wave filter, balanced type wave filter and communicating device
01/07/2003US6504454 Longitudinally coupled surface acoustic wave filter
01/07/2003US6504453 Transversal surface acoustic wave filter
01/07/2003US6504290 Electrode structure of piezoelectric vibrator
01/07/2003US6504286 Piezoelectric transducer
01/07/2003US6503416 Does not contain Pb, and yet has a large electromechanical coupling coefficient; comprising at least the elements Ag, Li, Nb and O
01/03/2003WO2003001668A1 Surface acoustic wave device
01/03/2003WO2003001667A1 Surface acoustic wave device and communication device using same
01/03/2003WO2003001666A1 Surface acoustic wave device, method of manufacturing the device, and electronic component using the device and method
01/03/2003WO2002089257A3 Connection housing for an electronic component
01/02/2003US20030003612 Method and apparatus for fabricating a thin film bulk acoustic resonator
01/02/2003US20030001696 Acoustic wave device
01/02/2003US20030001695 Surface acoustic wave filter, balanced type filter and communication device
01/02/2003US20030001694 Resonator frequency correction by modifying support structures
01/02/2003US20030001689 Piezoelectric resonator, manufacturing method for the same, piezoelectric filter, manufacturing method for the same, duplexer, and electronic communication device
01/02/2003US20030001682 Crystal resonator based oscillator formed by attaching two separate housings
01/02/2003US20030000724 Thermomechanical process for producing a planar resist structure
01/02/2003US20030000067 Electronic component such as a saw device and method for producing the same
01/02/2003EP1271775A1 Band-pass filter
01/02/2003EP1271774A1 Surface acoustic wave device
01/02/2003EP1269627A1 Dual-mode surface wave filter with improved symmetry and increased reverse attenuation
01/02/2003EP1269450A1 Component provided with a description
01/02/2003CA2389820A1 Microelectromechanical component
01/01/2003CN2529451Y Piezoelectric liquid level switch
01/01/2003CN1389018A A bulk acoustic wave device
01/01/2003CN1389017A Surface acoustic wave device
01/01/2003CN1388723A Longitudinal multi-mode coupling elastic surface wave filter
01/01/2003CN1388645A Method for producing quartz crystal oscillator and quartz crystal oscillator produced with the same method
01/01/2003CN1388089A Piezoelectric ceramics composition, piezoelectric ceramic element and process for producing piezoelectri ceramic composition
12/2002
12/31/2002US6501346 Ceramic filter for use with a beacon receiver
12/31/2002US6501344 Duplexer device
12/31/2002US6501208 Compensated surface acoustic wave filter having a longitudinal mode resonator connected with a second resonator
12/27/2002WO2002103900A1 Thin-film piezoelectric resonator
12/26/2002US20020197731 Infrared spectroscopy imaging of libraries
12/26/2002US20020196104 Longitudinally-coupled resonator surface acoustic wave filter and communication apparatus using the same
12/26/2002US20020196103 Film bulk acoustic resonator with improved lateral mode suppression
12/26/2002US20020195675 Saw device
12/25/2002CN1387696A Time base comprising integrated micromechanical ring resonator
12/24/2002US6498548 Surface acoustic wave filter with optimized width and pitch of interdigital electrodes and reflector electrodes
12/24/2002US6498547 Anisotropically electroconductive adhesive and a ladder filter using the same
12/24/2002US6498422 Electronic component such as an saw device and method for producing the same
12/24/2002US6497141 Parametric resonance in microelectromechanical structures
12/19/2002WO2002101924A1 Method and apparatus for adjusting the resonance frequency of a microelectromechanical (mems) resonator using tensile strain and applications thereof
12/19/2002WO2002101923A1 Piezoelectric vibrator and filter using the same
12/19/2002WO2002054592A3 Acoustic wave filter
12/19/2002US20020190816 Surface acoustic wave filter
12/19/2002US20020190815 Surface acoustic wave device
12/19/2002US20020190814 Thin film bulk acoustic resonator and method of producing the same
12/19/2002US20020190605 Component with drain for pyroelectrical voltages and a method for production thereof
12/19/2002US20020190603 Apparatus for adjusting the resonance frequency of a microelectromechanical (MEMS) resonator using tensile/compressive strain and applications therefor
12/19/2002US20020190373 Electronic device, semiconductor device comprising such a device and method of manufacturing such a device
12/19/2002US20020189061 Method for manufacturing quartz crystal oscillators and quartz crystal oscillator produced therefrom
12/18/2002EP1267490A2 Longitudinally-coupled resonator surface-acoustic wave filter and communications apparatus using the same
12/18/2002EP1267489A2 Surface acoustic wave filter
12/18/2002EP1266450A1 Resonator filter that is coupled to transverse modes and requires less space
12/18/2002EP1266449A1 Interdigital converter with distributed excitation
12/18/2002CN1386321A Acoustic wave device comprising alternating polarisation domains
12/18/2002CN1386320A Improvements to filters
12/18/2002CN1386319A Improvements to filters
12/18/2002CN1385960A 压电滤波器 Piezoelectric filters
12/18/2002CN1096744C Electronic components and method of manufacturing same
12/18/2002CN1096717C Energy-trapping thickenss-shear resonator and electronic component using the same
12/18/2002CN1096626C Method for etching photolithographically produced quartz crystal blanks for singulation
12/17/2002US6496086 SAW device with inclined reflectors and communication device using SAW device
12/17/2002US6496085 Solidly mounted multi-resonator bulk acoustic wave filter with a patterned acoustic mirror
12/17/2002US6495398 Wafer-scale package for surface acoustic wave circuit and method of manufacturing the same
12/17/2002US6494079 Method and apparatus for characterizing materials by using a mechanical resonator
12/17/2002CA2121477C Surface wave filter having a folded acoustic path
12/13/2002CA2350352A1 Planar filters utilizing periodic elctro magnetic bandgap substrates
12/12/2002WO2002099968A1 Improvements in and relating to sensor systems incorporating acoustic wave devices
12/12/2002US20020186102 Piezoelectric filter
12/12/2002US20020186097 Multi-frequency antenna duplexer
12/12/2002US20020185939 Electrode structure of piezoelectric vibrator
12/12/2002US20020185938 Piezoelectric resonator and FM detection circuit incorporating the same
12/12/2002US20020185934 Resonator with preferred oscillation mode
12/12/2002DE10148186A1 Quartz crystal oscillator manufacture involves positioning quartz oscillating plate in top cavity of ceramic base such that plate is connected to metal bumps and remaining plate part is spaced from base
12/12/2002DE10126036A1 Single phase uni-directional transducer for SAW elements, is provided by partial transducers on a piezoelectric substrate
12/11/2002EP1264397A1 Surface wave converter with optimised reflection
12/11/2002EP0939907B1 Process for carrying out a non-contact remote enquiry