Patents
Patents for H01L 41 - Piezo-electric devices in general; Electrostrictive devices in general; Magnetostrictive devices in general; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof (34,459)
12/2002
12/18/2002CN1096626C Method for etching photolithographically produced quartz crystal blanks for singulation
12/18/2002CN1096554C Method for controlling at least one capacitive actuating element
12/18/2002CN1096439C High-performance piezoelectric ceramic
12/18/2002CN1096358C Method for fabricating microactuator for inkjet head
12/17/2002US6496085 Solidly mounted multi-resonator bulk acoustic wave filter with a patterned acoustic mirror
12/17/2002US6495947 Piezoelectric ceramic composition, and high power output transformer made of the same composition
12/17/2002US6495946 Piezoelectric actuator for positioning with heat dissipating inactive end section
12/17/2002US6495945 Piezoelectric/electrostrictive element
12/17/2002US6495642 Process for preparing electrostrictive polymers and resulting polymers and articles
12/17/2002US6494567 Piezoelectric element and manufacturing method and manufacturing device thereof
12/17/2002US6494382 Fuel injection valve
12/17/2002US6494108 Magnetostrictive stress sensor
12/12/2002WO2002099958A1 Linear piezoelectric motor with self locking means
12/12/2002WO2002099904A2 Electromechanical converter comprising at least one piezoelectric element
12/12/2002WO2002099852A2 Novel piezoelectric transducer assemblies and methods for their use
12/12/2002WO2002099844A2 Piezoelectric drive
12/12/2002US20020186856 Piezoelectric speaker
12/12/2002US20020185939 Electrode structure of piezoelectric vibrator
12/12/2002US20020185937 Electroactive polymer rotary motors
12/12/2002US20020185935 Piezoelectric actuator and method for driving the same
12/12/2002US20020184744 Piezo-electric/electrostrictive device and method of manufacturing
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
12/12/2002DE10143226A1 Adaptronic-combi-module e.g. for motor vehicles and aircraft, includes sensor-type and actuator-type micro-elements in micro-systems
12/12/2002CA2446718A1 Novel piezoelectric transducer assemblies and methods for their use
12/12/2002CA2443436A1 Electromechanical transducer with at least one piezoelectric element
12/11/2002EP1264397A1 Surface wave converter with optimised reflection
12/11/2002CN1384961A Microactuator induced reactive forces for fine positioning sensor
12/11/2002CN1384606A Surface mounted electronic element
12/11/2002CN1384601A 压电器件 Piezoelectric devices
12/11/2002CN1384080A Ceramic producing process
12/11/2002CN1096144C Ladder type filter
12/11/2002CN1095928C Device and method for controlling at least one capacitive actuator
12/10/2002US6493205 Process for polarizing a ferroelectric material in the shape of a cylinder
12/10/2002US6492763 Piezoelectric ceramic composition, and high power output transformer made of the same composition
12/10/2002US6492762 Ultrasonic transducer, transducer array, and fabrication method
12/10/2002US6492760 Actuator
12/10/2002US6491889 Mixed oxide
12/10/2002US6491708 Ultrasonic transducer with improved compressive loading
12/10/2002US6490934 Circularly magnetized non-contact torque sensor and method for measuring torque using the same
12/10/2002US6490925 Piezoelectric vibration gyroscope and method for adjusting resonance frequencies of same
12/10/2002US6490911 Sensor device with fluid introduction holes
12/10/2002US6490881 Generating displacement and theroacoustic refrigerator
12/05/2002WO2002097905A2 A rotary actuator mechanism
12/05/2002WO2002096647A1 Ceramic components having multilayered architectures and processes for manufacturing the same
12/05/2002WO2002043110A3 Terminal block for a monolithic multilayer piezoactuator
12/05/2002US20020180843 Piezoelectric element, actuator, and inkjet head
12/05/2002US20020180387 Control apparatus for vibration type actuator
12/05/2002US20020180315 Piezoelectric device
12/05/2002US20020180314 Crows foot mount
12/05/2002US20020180310 Linear piezoelectric motor with self locking means
12/05/2002US20020180309 Novel piezoelectric transducer assemblies and method for their use
12/05/2002US20020179984 Silicon-based ferroelectric cantilever structure
12/05/2002US20020179873 Piezoelectric actuator
12/05/2002US20020178835 Novel piezoelectric transducer assemblies and methods for their use
12/05/2002DE10217361A1 Piezoelektrisches Element und damit versehene Einspritzdüse A piezoelectric element and thus provided injector
12/05/2002DE10215572A1 Ceramic electronic component used in electronics comprises ceramic body, terminal electrodes on body, and connecting clamps for connecting electrodes using tin-containing solder
12/05/2002DE10126656A1 Electromechanical converter with piezoelectric element(s) e.g. for sensors, has contact lug that directly contacts first electrode with aperture for conductive adhesive for joining lug to electrode
12/04/2002EP1263060A2 Manufacturing method for a flat multilayer device and corresponding device
12/04/2002EP1263059A1 Matrix actuator
12/04/2002EP1262245A2 Sound converting apparatus
12/04/2002EP1261487A2 Micromachined two-dimensional array droplet ejectors
12/04/2002CN2524377Y Laminated piezo-transformer
12/04/2002CN1383611A Bulk accoustic wave filter
12/04/2002CN1383264A Electronic packaged assembly and prodn. method of substrate electrode
12/03/2002US6489705 Thin-disc piezoelectric actuating ultrasonic motor
12/03/2002US6489695 Efficiency maximized conversion of electrical to mechanical energy by magnetostrictive transduction
12/03/2002US6489558 Conductive cap, electronic component, and method of forming insulating film of conductive cap
12/03/2002US6488879 Method of producing an electronic device having a sheathed body
12/03/2002US6488864 Piezoelectric ceramic compact and piezoelectric ceramic device
11/2002
11/28/2002WO2002095214A1 Directly actuated injection valve with a ferromagnetic needle
11/28/2002WO2002095085A1 Method for producing a layer with a predefined layer thickness profile
11/28/2002WO2002094460A1 Connecting apparatus for electro-acoustic devices
11/28/2002WO2002062724A3 Method for making lead zirconate titanate-based ceramic powder, piezoelectric ceramic and method for making same
11/28/2002US20020177313 Method of manufacturing piezoelectric device using direct bonded quartz plate
11/28/2002US20020175640 Digital controlled electronic ballast with piezoelectric transformer
11/28/2002US20020175601 Manufacturing method of piezoelectric components
11/28/2002US20020175599 Piezoelectric/electrostrictive device and method for fabricating the same
11/28/2002US20020175598 Electroactive polymer rotary clutch motors
11/28/2002US20020175597 Piezoelectric device with feedback sensor
11/28/2002US20020175595 Vibration wave driving device and method of processing vibrating member or moving member for use in vibration wave driving device
11/28/2002US20020175594 Variable stiffness electroactive polymer systems
11/28/2002US20020175593 Adjustable compensation of a piezo drive amplifier depending on mode and number of elements driven
11/28/2002US20020175592 Integrated charge and voltage mode drive circuit for piezo actuators used in mass data storage devices, or the like
11/28/2002US20020175591 Process for the manufacture of piezoceramic multilayer actuators
11/28/2002US20020175408 Methods of fabricating nanostructures and nanowires and devices fabricated therefrom
11/28/2002US20020174997 Conductive cap, electronic component, and method of forming insulating film of conductive cap
11/27/2002EP1261041A2 Vibration wave driving device and method of processing vibrating member or moving member for use in vibration wave driving device
11/27/2002EP1259992A2 Biologically powered electroactive polymer generators
11/27/2002EP1259660A2 Improved method of electrophoretic deposition of ferroelectric films using a tri-functional additive and compositions for effecting same
11/27/2002CN1382307A Method for applying flat outer electrodes to piezoceramic multi-layer actuator
11/27/2002CN1381425A 压电陶瓷材料 Piezoelectric ceramic material
11/26/2002US6487337 Moving mechanism having a positioning mechanism and electronic device with the moving mechanism
11/26/2002US6486751 Increased bandwidth thin film resonator having a columnar structure
11/26/2002US6486612 Control circuit and method for protecting a piezoelectric transformer from an open state and a short-circuited state
11/26/2002US6486588 Acoustic biosensor for monitoring physiological conditions in a body implantation site
11/26/2002US6486587 Device for controlling a piezoelement injection valve
11/26/2002US6485591 Method for manufacturing laminated-ceramic electronic components
11/26/2002US6484589 Piezoelectric transducer assemblies and methods for their use
11/26/2002CA2188380C Pivot drive
11/21/2002WO2002093549A1 Thin film acoustic resonator and method of manufacturing the resonator