Patents
Patents for H03H 9 - Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators (20,116)
06/2001
06/05/2001US6242843 Resonator structures
06/05/2001US6242842 Electrical component, in particular saw component operating with surface acoustic waves, and a method for its production
05/2001
05/31/2001DE19964218A1 Elektromechanisches Bauelement und Verfahren zur Herstellung desselben An electromechanical component and method of manufacturing the same
05/31/2001DE10050058A1 Piezoresonator for piezoelectric ladder filter, has electrodes which applies electric field to pair of piezoelectric layer in mutually opposite direction
05/30/2001EP1104100A1 Saw filter
05/30/2001EP1104099A1 Piezoelectric vibrator
05/30/2001EP1104097A2 Method for adjusting the center frequency of a balanced filter and a plurality of balanced filters
05/30/2001EP0941576B1 Crystal resonator
05/30/2001EP0821796B1 Radio-interrogatable sensor using surface wave technology
05/29/2001US6239724 System and method for telemetrically providing intrabody spatial position
05/29/2001US6239536 Encapsulated thin-film resonator and fabrication method
05/29/2001US6238946 Process for fabricating single crystal resonant devices that are compatible with integrated circuit processing
05/29/2001US6237398 System and method for monitoring pressure, flow and constriction parameters of plumbing and blood vessels
05/29/2001CA2240783C Filter operating with acoustic surface waves (sw filter)
05/25/2001WO2001037426A1 Elastic wave device
05/23/2001DE10042915A1 Akustooberflächenwellenbauelement und Kommunikationsgerät Akustooberflächenwellenbauelement and communication device
05/23/2001CN1296664A Piezoelectric vibration device
05/23/2001CN1296337A Method for adjusting frequency of piezoelectric resonator
05/22/2001US6236898 Error compensation circuit for compensating for parameter errors of an IC chip having a filter and a boost circuit
05/22/2001US6236366 Hermetically sealed semiconductor module composed of semiconductor integrated circuit and antenna element
05/22/2001US6236281 Q-controlled microresonators and tunable electronic filters using such resonators
05/22/2001US6236145 High thermal resistivity crystal resonator support structure and oscillator package
05/22/2001US6236141 Surface acoustic wave element
05/22/2001US6236140 Piezoelectric vibration device
05/17/2001WO2001035528A1 Surface acoustic wave device
05/17/2001WO2001035469A1 Thin-film piezoelectric device
05/17/2001US20010001293 Chip device and method for producing the same
05/17/2001DE10025575A1 Piezoelektrische Keramikzusammensetzung und dieselbe verwendendes piezoelektrisches Keramikelement The piezoelectric ceramic composition and the same-use piezoelectric ceramic element
05/16/2001EP1100196A2 Piezoelectric Resonator
05/16/2001EP1100195A2 Lead terminal and electronic component including lead terminal
05/16/2001EP1100194A2 Surface acoustic wave filter
05/16/2001EP1100193A2 Integrated filter with improved I/O matching and method of fabrication
05/16/2001CN1295379A Integrated filter with improved input/output match and its manufacture
05/15/2001US6232699 Energy-trap piezoelectric resonator and energy-trap piezoelectric resonance component
05/15/2001US6232698 Thickness extensional vibration mode piezoelectric resonator
05/15/2001US6232150 Process for making microstructures and microstructures made thereby
05/10/2001WO2001033711A1 Time base comprising an integrated micromechanical ring resonator
05/10/2001CA2389980A1 Time base comprising an integrated micromechanical ring resonator
05/09/2001CN1294781A Surface-wave acoustic filter
05/09/2001CN1294780A Device with acoustic waves guided in fine piezoelectric material film bonded with molecular bonding on bearing substrate and method for making same
05/09/2001CN1294758A High-frequency module and method of manufacture thereof
05/09/2001CN1294449A Piezoelectric resonator
05/09/2001CN1065708C Electronic part
05/09/2001CN1065692C Method for mfg. piezoelectric resonant component
05/09/2001CN1065664C Energy-trap chip-type piezoelectric resonance component
05/08/2001US6230113 Stiffness effects in piezoelectric devices
05/08/2001US6229409 Surface acoustic wave matched filter
05/08/2001US6229404 Crystal oscillator
05/08/2001US6229249 Surface-mount type crystal oscillator
05/08/2001US6229246 Thickness-extensional piezoelectric resonator and piezoelectric resonance component incorporating same
05/03/2001WO2001031782A1 Surface acoustic wave device
05/03/2001DE10045017A1 Piezoelectric component used as piezoelectric resonator or piezoelectric filter has terminals with connection sections connected to holding sections for piezoelectric plate
05/02/2001EP1096675A2 Piezoelectric resonator
05/02/2001EP1096566A2 Electronic part and method of assembling the same
05/02/2001EP1096563A2 Semiconductor package with premolded parts
05/02/2001CN1293487A Piezoelectric resonance element containing capacitor
05/02/2001CN1293486A Piezoelectric resonantor
05/02/2001CN1293485A Electron element packaging method
05/02/2001CN1065380C Ladder-type filter
05/01/2001US6226319 Spread spectrum demodulation circuit, spread spectrum communication apparatus, delay-detection-type demodulation circuit, and delay-detection-type communication apparatus
05/01/2001US6225877 Multilayer type piezoelectric filter with intermediary printed circuit board elements
05/01/2001US6223406 Method of manufacturing piezoelectric resonator
04/2001
04/26/2001WO2001029964A1 Interface acoustic wave filter, especially for wireless connections
04/26/2001DE19948613A1 Electromechanical component for sensors, controllers and similar items, comprises mechanically active section which is at least partly coated with metal layer and incorporates flexural spring elements
04/26/2001DE10046303A1 Electronic chip component e.g. piezoelectric resonator, has electrode areas of different width formed on side and lower surfaces of monolithic resonator body
04/26/2001DE10039620A1 Surface acoustic wave reflector in surface acoustic wave filter for portable telephone, has free surface areas without perturbation elements are formed in array of perturbation elements on piezoelectric substrate
04/25/2001EP1094602A2 Surface acoustic wave device
04/25/2001EP1094538A2 Multilayered ceramic RF device
04/24/2001US6222426 Branching filter with a composite circuit of an LC circuit and a serial arm saw resonator
04/24/2001US6222299 Surface acoustic wave devices comprising large-grained diamonds and methods for making
04/22/2001CA2318588A1 Impedance blocking filter circuit
04/19/2001WO2001028090A1 Surface acoustic wave device
04/19/2001WO2001028089A1 Saw device
04/19/2001WO2001027026A1 Electromechanical component and method for producing said component
04/19/2001WO2001027025A1 Electro-mechanical component and method for producing the same
04/19/2001DE10016861A1 Ladder filter has parallel resonance element that has a structure comprising three electrodes laminated on thickness direction through piezoelectric board
04/18/2001EP1093159A1 Method for encapsulating electronic components
04/18/2001CN1291774A Piezoelectric ceramics and surface wave device with said piezoelectric ceramics
04/17/2001US6218770 Piezoelectric element
04/17/2001US6218763 Surface acoustic wave resonator, filter, duplexer and communication apparatus
04/12/2001WO2001026223A1 Saw device
04/12/2001DE19944452A1 Positionsdetektor mit akustischen Oberflächenwellen A position detector surface acoustic wave
04/12/2001DE10041502A1 Energy lock-in-type flat piezoresonator sets specific thickness between respective internal electrodes and piezoelectric layers and between internal electrodes
04/12/2001DE10041306A1 Piezoelectric filter device operates with second harmonic of transverse oscillation mode and contains relay capacitor between electrically connected transversely polarized filters
04/11/2001CN2426635Y 改良型滤波元件 Improved filter element
04/11/2001CN1291375A Process for manufacturing an Electronic component, in particular a surface wave component working with acoustic surface wave
04/11/2001CN1291374A Electronic component, especially a component working with acoustic surface wave
04/11/2001CN1064490C Ladder type filter
04/10/2001US6215375 Bulk acoustic wave resonator with improved lateral mode suppression
04/10/2001US6215229 Chip-type piezoelectric resonator and method for adjusting resonance frequency thereof
04/10/2001US6215228 Stacked piezoelectric resonator, characteristics-adjusting method thereof, and ladder-type filter including the same
04/05/2001WO2001024252A1 Electronic device and method of manufacture thereof
04/05/2001DE10038424A1 Lead terminal structure for electronic components e.g. piezoresonator, has round bar-like terminals mounted at mounting sections of component, which has bent sections formed between mounting section and outer end
04/04/2001EP1089449A2 Diplexer circuit for mobile communications device
04/04/2001EP1089431A2 Surface acoustic wave device and method for producing the same
04/04/2001CN1290424A Encapsulated surface wave component and collective method for making same
04/04/2001CN1290112A Duplex device and communication apparatus
04/04/2001CN1290066A Flat electronic device and installating structure thereof
04/04/2001CN1064177C High-speed deepth-variable etching method and apparatus thereof
04/03/2001US6212259 Impedance blocking filter circuit