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)
06/2000
06/28/2000CN1257940A Process for growing piezoelectric film of aluminium nitride on substrate of high-sound-velocity material
06/27/2000US6081063 Ultrasonic motor and electronic apparatus having ultrasonic motor
06/27/2000US6081062 Method and device for driving at least one capacitive actuator
06/27/2000US6081061 Method and device for charging and discharging a piezoelectric element
06/27/2000US6080592 Computers
06/27/2000US6080328 Calcining the mixture of oxides of lead, zirconium, titanium, chromium and niobium to obtain a calcined product, crushing the product and adding copper component, adding binder, molding, firing the molded product, forming electrodes
06/27/2000US6080327 Piezoelectric ceramic composition
06/27/2000CA2106815C Encapsulation of high voltage mechanism to prevent fracture thereof
06/22/2000WO2000036658A1 Actuator for displacing a final control element and fuel injection valve with an actuator of this type
06/22/2000WO2000036657A1 Piezoelectric actuator
06/21/2000DE19920576C1 Piezoelectric transducer used e.g. as printing head of ink jet printers has a carrier made of a duroplast reinforced with fibers having a specified heat expansion coefficient
06/21/2000DE19858286A1 Charging or discharging piezoelectric element whilst carrying out charge transport from element having capacitive characteristics to piezo-electric element or vice versa and several elements are provided having capacitive characteristics
06/21/2000DE19858250A1 Charging and discharging of piezoelectric element whilst carrying out charge transport from element having capacitive characteristics to the piezoelectric element or vice versa
06/21/2000CN1257642A Control circuit and method for piezoelectric transformer
06/20/2000US6078438 Vibration actuator and lens barrel
06/20/2000US6078198 Device and method for driving a capacitive actuator
06/20/2000US6078127 Stacked piezoelectric transformer and method of manufacturing the same
06/20/2000US6078124 Piezoelectric transformer driving circuit and driving method
06/20/2000US6076244 Heat treatment method of actuators for an ink jet printer head and method for manufacturing an ink jet printer head
06/15/2000WO2000035027A1 Piezoelectric actuator
06/15/2000WO2000034701A1 Piezoelectric drive
06/15/2000WO2000034700A1 Piezoelectric actuator
06/15/2000WO2000034699A1 Piezoelectric actuator
06/15/2000WO2000033961A1 Fluid dispenser and dispensing methods
06/15/2000DE19856202A1 Piezoelektrischer Aktor Piezoelectric actuator
06/15/2000DE19856201A1 Piezoelektrischer Aktor Piezoelectric actuator
06/15/2000DE19856186A1 Piezoelektrischer Aktor Piezoelectric actuator
06/15/2000DE19856185A1 Piezoelektrischer Antrieb The piezoelectric actuator
06/14/2000EP1009095A1 Ultrasonic motor and electronic apparatus with ultrasonic motor
06/14/2000EP1009040A1 Actuators of active piezoelectric or electrostrictive material
06/14/2000EP1009033A2 Piezoelectric luminous element, display device, and method for manufacturing same
06/14/2000EP1008193A1 Method for the production of piezoelectric actuators and a piezoelectric actuator
06/14/2000EP1008192A2 Piezoelectric lighter which has a higher level of difficulty for operation
06/14/2000EP1008191A1 Prestressed piezoelectric actuator
06/14/2000EP1008190A1 Single-input phase locking piezoelectric transformer driving circuit
06/14/2000CN1256796A Magnetostrictive stress sensor
06/14/2000CN1256522A Laminated piezo-electric element
06/13/2000US6075945 Lens apparatus
06/13/2000US6075311 Micro-positioned flatbed
06/13/2000US6075308 Variably sound-absorbing device
06/13/2000US6074179 Magnetostrictive peristaltic pump
06/08/2000WO2000033395A1 Piezo-electric tilting element
06/08/2000WO2000033394A1 Metallization for high power handling in a surface acoustic wave device and method for providing same
06/08/2000WO2000033334A1 Stacked-type electronic device having film electrode for breaking abnormal current
06/08/2000WO2000033324A1 High performance rare earth-transition metal magnetostrictive materials with increased impurities
06/08/2000WO2000013039A3 Method and system for measuring the distance from a piezoelectric element
06/08/2000WO1999067527A3 Process and device for controlling a capacitive actuator
06/08/2000DE19854306A1 Actuator with capacitive element e.g. for controlling fuel injection valves in IC engine, has Ohmic resistance connected in parallel with capacitive element dimensioned so that element discharges in time greater than maximum drive duration
06/07/2000EP1006596A2 Multilayer piezoelectric part
06/07/2000EP1005691A1 Acoustic transducer
06/07/2000EP0747976B1 Thin-film piezoelectric element, process for preparing the same, and ink jet recording head made by using said element
06/07/2000CN1256011A Method and device for analyzing temp. of piezoelectric component
06/06/2000US6072267 Vibration wave motor
06/06/2000US6072266 Vibration actuator
06/06/2000US6072265 Supply circuit for a traveling-wave piezo-electric motor
06/06/2000US6072264 Optimal cut for surface wave propagation on langasite substrate
06/06/2000US6072207 Process for fabricating layered superlattice materials and making electronic devices including same
06/06/2000US6071357 Magnetostrictive composites and process for manufacture by dynamic compaction
06/06/2000US6070971 Actuator for ink jet printer
06/06/2000US6070310 Method for producing an ink jet head
06/02/2000WO2000031808A1 High-sensitivity piezocomposite material and ultrasonic transducer made therefrom
06/02/2000WO2000031807A1 Quartz crystal resonator with improved temperature performance and method therefor
06/02/2000WO2000030543A1 Diagnostic medical ultrasound systems and transducers utilizing micro-mechanical components
05/2000
05/31/2000EP1004364A2 Power ultrasonic transducer
05/31/2000EP0885315B1 Misted precursor deposition apparatus and method with improved mist and mist flow
05/31/2000DE19902413C1 Calibration method for piezoelectric control drive involves automatically detecting control parameters and associated control positions by detecting stop times from capacitance changes
05/31/2000DE19855221A1 Piezoaktuatorisches Kippelement Piezoelectrically tilting element
05/31/2000CN1255240A Low component count release mechnism
05/31/2000CN1254987A Surface acoustic wave (SAW) device
05/31/2000CN1254986A Surface acoustic wave (SAW) device
05/30/2000US6069433 Packaged strain actuator
05/30/2000US6069420 Specialized actuators driven by oscillatory transducers
05/30/2000US6068256 Piezoelectric conveying device
05/25/2000WO2000030186A1 Vibration actuator
05/25/2000WO2000029652A1 Method and device for controlling a piezoelectric actuator
05/25/2000DE19946003A1 Piezoelectrically activated microvalve for triggering dimensional change in a machined part by applying an electrical voltage includes a piezoelectrically activated actuator, a transmission gearing and a valve lock.
05/24/2000EP1003286A2 Surface acoustic wave device
05/23/2000US6066911 Ultrasonic driving element
05/23/2000US6065196 Method of manufacturing a laminated piezoelectric transformer
05/18/2000WO2000028652A1 Ultrasonic motor
05/18/2000WO2000028647A1 Dc-ac converter circuit using resonating multi-layer piezoelectric transformer
05/18/2000WO2000028606A1 Multi-layer piezoelectric electrical energy transfer device
05/17/2000EP1001531A2 Surface acoustic wave device
05/17/2000EP1001474A1 A driver circuit for controlling a piezoelectric actuator in charge mode
05/17/2000EP0789937B1 Piezoelectric motor
05/16/2000US6064141 Piezoelectric switch
05/16/2000US6064140 Ceramic motor
05/16/2000US6064139 Ultrasonic motor
05/16/2000US6064138 Ultrasonic wave motor device and electronic apparatus having ultrasonic wave motor device
05/16/2000US6062532 Electric solid-body actuator having a hydraulic amplitude magnifier
05/11/2000WO2000026972A1 Method for producing piezoelectric actuators
05/11/2000WO2000026971A1 Multilayer electronic part, its manufacturing method, two-dimensionally arrayed element packaging structure, and its manufacturing method
05/09/2000US6060819 Piezoelectric transformer
05/09/2000US6060816 Vibration motors
05/09/2000US6060814 Device and method for driving at least one capacitive actuator
05/09/2000US6060811 Advanced layered composite polylaminate electroactive actuator and sensor
05/09/2000US6060692 Low power compact heater for piezoelectric device
05/09/2000CA2005660C Adaptive control systems
05/04/2000WO2000025525A2 Digital-signal autonomous emitter and remote control system based on this emitter
05/04/2000WO2000025370A1 Multidirectional motors