Patents for H03H 3 - Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators (6,646) |
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07/04/2002 | US20020084718 Surface acoustic wave device and method for manufacturing the same |
07/03/2002 | EP1219028A1 Acoustic mirror and method for the production thereof |
07/02/2002 | US6414569 Method of adjusting frequency of piezoelectric resonance element by removing material from a thicker electrode or adding, material to a thinner electrode |
07/02/2002 | US6414415 Surface acoustic wave device and method for manufacturing the same |
07/02/2002 | US6413456 Multilayer lamination of metal and insulating thin films on a support; mold releasing agent to prevent cracking; reliable; improved productivity; magnetic tapes, capacitors, semi-conductors |
07/02/2002 | US6413439 Electrode with layers of aluminum and aluminum alloyed with metal whose halide has a low vapor pressure; low pressure reactive ion etching with chlorine and helium; nondamaging to piezoelectric substrate; no aftercorrosion |
06/27/2002 | US20020079987 Recessed reflector single phase unidirectional transducer |
06/27/2002 | US20020078540 Piezoelectric element and method of producing the same |
06/20/2002 | US20020076926 Method of manufacturing chip type electronic parts |
06/20/2002 | US20020075106 High frequency module device and method for its preparation |
06/20/2002 | US20020074904 Surface acoustic wave element |
06/20/2002 | US20020074899 Surface acoustic wave device and manufacturing method therefor |
06/18/2002 | US6407649 Monolithic FBAR duplexer and method of making the same |
06/18/2002 | US6407486 Electrode film on a lithium tantalate substrate having a cut angle approximate to 36 degree rotated y cut, the electrode film including a titanium film and an aluminum single crystal film having improved power durability. |
06/18/2002 | US6407485 Piezoelectric vibrator |
06/13/2002 | WO2002047263A1 A method for manufaacturing a crystal oscillator and a crystal oscillator |
06/13/2002 | US20020070816 Method for making micromechanical structures having at least one lateral, small gap therebetween and micromechanical device produced thereby |
06/13/2002 | US20020070636 Substrate usable for an acoustic surface wave device, a method for fabricating the same substrate and an acoustic surface wave device having the same substrate |
06/13/2002 | US20020070262 Mounting film bulk acoustic resonators in microwave packages using flip chip bonding technology |
06/13/2002 | US20020069701 Micromechanical resonator device |
06/13/2002 | CA2430850A1 Method for manufacturing a crystal oscillator and a crystal oscillator |
06/11/2002 | US6404303 Surface acoustic wave element with an input/output ground pattern forming capacitance with both the input and output signal patterns |
06/11/2002 | US6404100 Surface acoustic wave apparatus and method of manufacturing the same |
06/06/2002 | WO2002045265A1 Improvements in or relating to filters |
06/06/2002 | WO2002045262A1 Acoustic wave device |
06/06/2002 | WO2002019520A3 Resonator with preferred oscillation mode |
06/06/2002 | WO2002017481A3 Micromechanical resonator device |
06/06/2002 | US20020068230 Irradiating with ion beam, determining a correlation between time for ion-beam irradiation and amount of frequency changes, measuring and adjusting to a target value |
06/06/2002 | US20020067106 Film bulk acoustic resonator and method for fabrication thereof |
06/06/2002 | DE10142157A1 Acoustic resonator for cellular telephone, has compensator that partially offers temperature induced effects caused by negative temperature coefficient of frequency |
06/06/2002 | DE10059533A1 Acoustic surface wave component has damping structure for unwanted surface wave reflections provided by photoresist structure |
06/04/2002 | US6399406 Encapsulated MEMS band-pass filter for integrated circuits and method of fabrication thereof |
05/30/2002 | WO2002042527A1 Diamond substrate having piezoelectric thin film, and method for manufacturing it |
05/30/2002 | WO2002009202A3 Method for producing a semiconductor component with a piezoelectric or pyroelectric layer |
05/30/2002 | WO2001059812A3 Assembly comprising a multitude of products each provided with a tunable electronic component, and assembly of devices each comprising such a product |
05/30/2002 | US20020063575 Impedance control circuit |
05/30/2002 | US20020063497 Thin Film Resonator And Method |
05/30/2002 | US20020062904 To protect chip component within ceramic main body, first and second sealing are carried out between a metal case and ceramic main body so as to prevent contamination, toimprove shielding effect against external electromagnetic fields |
05/30/2002 | US20020062542 Method of manufacturing a surface acoustic wave element |
05/29/2002 | CN1351418A Surface acoustic wave device and manufacture thereof |
05/23/2002 | WO2002009131A3 Semiconductor element comprising a sequence of layers for converting acoustic or thermal signals and electrical voltage changes into each other and method for producing the same |
05/23/2002 | US20020060618 Surface acoustic wave device and method of producing the same |
05/23/2002 | US20020060509 Lame mode quartz crystal resonator |
05/23/2002 | US20020059709 Method of manufacturing a surface acoustic wave element |
05/22/2002 | EP1207620A2 Lame mode quartz crystal resonator |
05/22/2002 | CN1085442C Piezoelecric resonator, manufacturing method thereof and electronic component using said piezoelectric resonator |
05/21/2002 | US6391674 Process for fabricating single crystal resonant devices that are compatible with integrated circuit processing |
05/16/2002 | WO2002039583A1 Electronic device, semiconductor device comprising such a device and method of manufacturing such a device |
05/16/2002 | WO2002039537A1 Thin film resonator and method for manufacturing the same |
05/16/2002 | WO2002009160A3 Piezoelectric structures for acoustic wave devices and manufacturing processes |
05/16/2002 | US20020058151 Surface electrode structure on ceramic multi-layer substrate and process for producing the same |
05/16/2002 | US20020057139 Monolithic LC components |
05/16/2002 | US20020057037 Method of manufacturing surface acoustic wave device and surface acoustic wave device |
05/16/2002 | US20020057034 Surface elastic wave device having bumps in a definite area on the device and method for manufacturing the same |
05/16/2002 | US20020056897 Electronic component to be mounted on a circuit board having electronic circuit device sealed therein and method of manufacturing the same |
05/16/2002 | DE10152946A1 Surface acoustic wave device NoAbstract |
05/14/2002 | US6388544 Method for adjusting the center frequency of a balanced filter and a plurality of balanced filters |
05/14/2002 | US6388361 Surface of which has a piezoelectric function, and an electrode formed on the substrates with aluminum and copper |
05/09/2002 | US20020053127 Method for manufacturing radio frequency module components with surface acoustic wave element |
05/08/2002 | DE10034085C2 Verfahren zur Erzeugung analog zueinander aufgebauter Chips, die jeweils ein erstes Halbleiterbauelement, das eine Schicht mit einer definierten elektrischen Polarisation aufweist, aufweisen A method of generating analog to each other constructed chips, each having a first semiconductor component having a layer with a defined electrical polarization, |
05/07/2002 | US6384697 Cavity spanning bottom electrode of a substrate-mounted bulk wave acoustic resonator |
05/07/2002 | US6384517 Piezoelectric and internal electrode layers of gold, with one of palladium, platinum and rhodium alternately stacked; moisture resistance |
05/07/2002 | US6383408 Piezoelectric ceramic and surface wave device using the same |
05/02/2002 | WO2002035702A1 Surface acoustic wave filter |
05/02/2002 | US20020050040 Method for adjusting a frequency characteristic of an edge reflection type surface acoustic wave device and method for producing an edge reflection type surface acoustic wave device |
05/02/2002 | EP1202452A2 Surface acoustic wave device and manufacturing method thereof |
05/01/2002 | CN1347196A Surface acoustic wave device and method for mfg. same |
04/30/2002 | US6380819 Tuning method for filters having multiple coupled resonators |
04/30/2002 | US6379987 Method of manufacturing a hybrid integrated circuit comprising a semiconductor element and a piezoelectric filter |
04/25/2002 | US20020047749 Chip element mounting method and surface-mount type crystal oscillator |
04/25/2002 | US20020047501 Surface acoustic wave device and manufacturing method thereof |
04/25/2002 | US20020047495 Surface acoustic wave device, and its fabrication process |
04/25/2002 | DE10047379A1 Bauelement mit akustisch aktivem Material Component with acoustically active material |
04/24/2002 | CN1346177A Method for making RF module element iwth sound wave surface wave unit |
04/23/2002 | US6377138 Surface acoustic wave device with a layered conductive film and method of producing the same |
04/23/2002 | US6377137 Acoustic resonator filter with reduced electromagnetic influence due to die substrate thickness |
04/23/2002 | US6377136 Thin film resonator filter having at least one component with different resonant frequency sets or electrode capacitance |
04/18/2002 | WO2002031974A1 Surface acoustic wave device and method of producing the same |
04/18/2002 | US20020044030 Radio frequency module parts including surface elastic wave elements and manufacturing method thereof |
04/18/2002 | US20020043889 Surface acoustic wave device and production method thereof |
04/17/2002 | EP1196991A1 Surface acoustic wave (saw) filter of the reactance filter type exhibiting improved stop band suppression and method for optimizing the stop band suppression |
04/17/2002 | CN1345480A Device including micromechanical resonator having operating requency and method of extending same |
04/11/2002 | US20020041220 Method and apparatus for filtering signals in a subsystem including a power amplifier utilizing a bank of vibrating micromechanical apparatus |
04/10/2002 | CN1344065A Piezoelectric device and its mfg. method |
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 | 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 | US6367133 Method of manufacturing surface acoustic wave apparatus |
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 |
04/03/2002 | 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 |
04/03/2002 | CN1343042A Method for regulating frequency of piezoelectric resonator |
04/02/2002 | US6366564 Diplexer duplexer and two-channel mobile communications equipment |
04/02/2002 | US6366181 Adjusting method for group-delay characteristics of piezoelectric resonators |
03/28/2002 | WO2002025811A1 Component having an acoustically active material |