Patents for H03H 9 - Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators (20,116) |
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04/10/2002 | CN1344064A Piezoelectric ceramics compsn. for surface sonic wave element and surface sonic wave element |
04/10/2002 | CN1344022A Surface electrode structure on ceramic multilayer substrate and its mfg. method |
04/10/2002 | CN1082728C Terminal for piezoelectric device |
04/09/2002 | USRE37639 Surface-acoustic-wave filters with poles of attenuation created by impedance circuits |
04/09/2002 | US6369674 Broad-band surface acoustic wave filter with specific ratios of transducer electrode period to reflector period |
04/09/2002 | US6369673 Surface acoustic wave filter with terminal electrode coating film |
04/09/2002 | US6369672 Surface acoustic wave filter and communications apparatus using the same |
04/09/2002 | US6369667 Surface acoustic wave device and communication device utilizing shear horizontal waves |
04/09/2002 | US6369491 Surface acoustic wave device and method for manufacturing the same |
04/09/2002 | US6369490 Base electrode is made of nicr and reduces orientation of the intermediate electrode and the intermediate electrode is made of one of al and an alloy including al. |
04/09/2002 | US6369489 Piezoelectric component |
04/09/2002 | US6369488 Piezoelectric device |
04/09/2002 | US6369487 Piezoelectric resonance component |
04/09/2002 | US6369374 Filter including a micro-mechanical resonator |
04/09/2002 | US6367133 Method of manufacturing surface acoustic wave apparatus |
04/04/2002 | WO2002027810A2 Piezoelectric transformer and operating method |
04/04/2002 | US20020039056 Surface-acoustic-wave filter having an improved suppression outside a pass-band |
04/04/2002 | US20020038989 Acoustic wave resonator and method of operating the same to maintain resonance when subjected to temperature variations |
04/04/2002 | US20020038985 Surface acoustic wave device and method of producing the same |
04/04/2002 | DE10146363A1 Surface acoustic wave component e.g. SAW filter, has piezoelectric substrate with interdigital converters in metal or alloy heavier than aluminum |
04/04/2002 | DE10130836A1 Oberflächenwellenbauelement und Verfahren zum Herstellen desselben Of the same surface acoustic wave device and methods for making |
04/04/2002 | DE10045382A1 Medical instrument location system comprises piezoelectric radio reflectors which do not require line of sight |
04/03/2002 | EP1193870A2 Surface-acoustic-wave filter |
04/03/2002 | EP1193869A2 Surface-acoustic-wave filter |
04/03/2002 | CN1343044A Frequency feature regulating method for edge reflection-type surface acoustic wave device and manufacturing method |
04/03/2002 | CN1343043A Piezoelectric device and manufacturing method thereof and manufacturing method for piezoelectric oscillator |
04/02/2002 | US6366182 Ladder-type piezoelectric filter having a substantially square resonator with the four corners cut |
04/02/2002 | US6366181 Adjusting method for group-delay characteristics of piezoelectric resonators |
04/02/2002 | US6366179 Surface acoustic wave element having two filters with more IDTs in the lower frequency filter |
04/02/2002 | US6366002 Litao3 substrate; and an interdigital transducer containing as a major component at least one of au, ag, ta, mo, cu, ni, cr, zn, and w; normalized film thickness h/lambda of 0.001-0.05 to excite a shear horizontal wave. |
04/02/2002 | US6363773 High-sensitivity instrument to measure NVR in fluids |
03/28/2002 | WO2002025811A1 Component having an acoustically active material |
03/28/2002 | US20020036550 Surface acoustic wave filter |
03/28/2002 | US20020036549 Surface acoustic wave resonator and surface acoustic wave filter using the same |
03/28/2002 | US20020036546 Piezoelectric oscillator and a method for manufacturing the same |
03/28/2002 | US20020036448 Piezoelectric generator and mounting structure therefor |
03/28/2002 | DE10142158A1 Piezoelektrischer Resonator und elektronische Vorrichtung, die denselben enthält Piezoelectric resonator and electronic device that contains the same |
03/28/2002 | DE10045090A1 Akustischer Resonator An acoustic resonator |
03/27/2002 | EP1191829A2 Surface electrode structure on ceramic multi-layer substrate and process for producing the same |
03/27/2002 | EP1191688A2 Increased bandwidth thin film resonator having a columnar structure |
03/27/2002 | EP1190484A1 Converter for surface acoustic waves |
03/27/2002 | EP0962052A4 Temperature insensitive silicon oscillator and precision voltage reference formed therefrom |
03/27/2002 | CN1342041A Electronic device of sealed electronic element and manufacturing method and printed wiring board |
03/27/2002 | CN1081835C 压电元件及其制造方法 The piezoelectric element and its manufacturing method |
03/26/2002 | US6362561 Piezoelectric vibration device and piezoelectric resonance component |
03/26/2002 | US6362543 Magnetostrictive surface acoustic wave devices with transducers tuned for optimal magnetic anisotropy |
03/26/2002 | US6362518 Electronic compoment to be mounted on a circuit board having electronic circuit device sealed therein and method of manufacturing the same |
03/21/2002 | WO2002023720A1 Acoustic resonator |
03/21/2002 | WO2002009278A3 Surface wave devices with static electric field |
03/21/2002 | US20020033652 Piezoelectric device, manufacturing method therefor, and method for manufacturing piezoelectric oscillator |
03/21/2002 | US20020033650 Surface acoustic wave device |
03/20/2002 | EP1189346A2 Surface acoustic wave filter and communication apparatus with the same |
03/20/2002 | CN1340916A Longitudinally connected resonator type sound surface wave filter |
03/20/2002 | CN1340915A Sound wave resonator and method for its operation when temperature changes to maintain harmonic vibration |
03/20/2002 | CN1340914A Piezoelectric oscillator |
03/20/2002 | CN1340856A RF module member including surface elastic wave element and its manufacture method |
03/20/2002 | CN1340478A Piezoelectric ceramic composition and piezoelectric ceramic elmeent using the said composition |
03/19/2002 | US6359532 Energy trapping type piezoelectric filter with a shielding conductive member on a bottom insulating base plate upper surface |
03/19/2002 | US6359368 Surface acoustic wave reflector |
03/14/2002 | US20020031855 Method of manufacturing a hybrid integrated circuit comprising a semiconductor element and a piezoelectric filter |
03/14/2002 | US20020030564 Die layout for SAW devices and associated methods |
03/14/2002 | US20020030424 High frequency piezoelectric resonator |
03/14/2002 | US20020030420 Piezoelectric resonator and electronic device incorporating the same |
03/14/2002 | US20020030419 Piezoelectric resonator, piezoelectric resonator component and method of making the same |
03/13/2002 | EP1187325A2 Multilayer type piezoelectric filter |
03/13/2002 | EP1187324A2 Surface acoustic wave device |
03/13/2002 | EP1187323A1 Crystal vibration device |
03/13/2002 | EP1187322A2 Piezoelectric device and method of manufacturing it |
03/13/2002 | EP1187321A2 Piezoelectric device and method of manufacturing it |
03/13/2002 | EP1187320A2 Method for manufacturing radio frequency module components with surface acoustic wave element |
03/13/2002 | EP1187319A2 Lead frame set and saw filter using the same |
03/13/2002 | EP1187318A2 Acoustic resonator |
03/13/2002 | EP1082812B1 Transducer with surface acoustic waves with low gap |
03/13/2002 | EP1018215B1 Unidirectional surface acoustic wave filter |
03/13/2002 | CN1340241A Antenna duplexer |
03/13/2002 | CN1340240A Surface wave device connected to a base with conductive adhesive |
03/13/2002 | CN1339829A Piezo-electric ceramic material, sintered piezo-electric ceramic pressed block and piezo-electric ceramic device |
03/13/2002 | CN1080953C Multiple mode piezoelectric filter |
03/13/2002 | CN1080952C A surface acoustic wave filter element and a surface acoustic wave filter made by package it |
03/12/2002 | US6356167 Surface acoustic wave resonator, surface acoustic wave filter, duplexer communications apparatus and surface acoustic wave apparatus, and production method of surface acoustic wave resonator |
03/12/2002 | US6356006 Diamond wafer, method of estimating a diamond wafer and diamond surface acoustic wave device |
03/12/2002 | US6355498 Thin film resonators fabricated on membranes created by front side releasing |
03/07/2002 | WO2002019522A1 Surface acoustic wave devices using non-symmetric optimized cuts of a piezoelectric substrate |
03/07/2002 | WO2002019520A2 Resonator with preferred oscillation mode |
03/07/2002 | US20020027485 Saw filter and method for manufacturing the same |
03/07/2002 | US20020027397 Mixed oxide |
03/07/2002 | US20020027296 Methods for producing packaged integrated circuit devices & packaged integrated circuit devices produced thereby |
03/07/2002 | DE10140396A1 Piezoelektrischer Keramikwerkstoff, gesinterter piezoelektrischer Keramikpressling und piezoelektrische Keramikvorrichtung A piezoelectric ceramic material, of sintered piezoelectric ceramic compact and piezoelectric ceramic device |
03/07/2002 | DE10138335A1 Oberflächenwellen-Bauteil Surface wave component |
03/07/2002 | DE10039824A1 Resonator filter based on surface acoustic waves e.g. bandpass filter, has two or more one-port resonator structures and planar cavities of differing lengths |
03/06/2002 | EP1184979A2 Radio frequency module parts including surface elastic wave elements and manufacturing method thereof |
03/06/2002 | EP1184978A2 Surface acoustic wave device and method of producing the same |
03/06/2002 | CN1339138A Surface acoustic wave converter and identification system using the same |
03/06/2002 | CN1338821A Surface wave device |
03/06/2002 | CN1338820A Longitudinal coupling resonator style surface wave filter |
03/06/2002 | CN1338819A Surface wave device |
03/05/2002 | US6353372 Dual-mode surface acoustic wave filter with split input/output converters determining impedance |
03/05/2002 | US6353371 Transversely coupled resonator type surface acoustic wave filter and longitudinally coupled resonator type surface acoustic wave filter |
02/28/2002 | WO2002017484A1 Saw radio sensor |
02/28/2002 | WO2002017483A1 Surface acoustic wave filter device |