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)
11/1992
11/10/1992US5162692 Ultrasonic oscillator and ultrasonic motor using the same
11/10/1992US5162691 Cantilevered air-gap type thin film piezoelectric resonator
11/05/1992DE4113667A1 Piezoelectric positioning drive for machine tools - uses copper@ heat sink and Peltier-effect modules to reduce operating temp.
11/04/1992EP0511801A2 Method for manufacturing multilayer ceramic electronic parts
11/03/1992CA2041723A1 Fiber-optic piezoelectric devices
10/1992
10/29/1992WO1992018213A1 High dielectric constant flexible ceramic composite
10/28/1992EP0510698A1 Displacement amplification mechanism using piezoelectric element
10/28/1992EP0510163A1 Method for dissolving a crystalline material
10/27/1992US5159253 Control device for a vibration wave motor
10/27/1992US5159226 Torsional force transducer and method of operation
10/27/1992US5159225 For tilting the plane of an object
10/27/1992US5159224 Vibration motor
10/27/1992US5159223 Driving apparatus for ultrasonic motor
10/27/1992CA1309320C Continuous method for manufacturing grain-oriented magnetostrictive bodies
10/21/1992EP0509628A1 Magnetostrictive alloys, preparation and uses
10/21/1992EP0509488A1 Method for protecting the piezoelectric element of a piezoelectric actuator against moisture
10/21/1992EP0258449B1 Ultrasonic motor
10/20/1992US5157699 Watchdog timer employing plural counters and discriminator for determining normal operating frequency range of input
10/20/1992US5157300 Vibration wave driven motor apparatus
10/15/1992WO1992017420A1 Electroceramics and process for making the same
10/14/1992EP0508599A2 Driver for piezoelectric actuator and shutter control device utilizing piezoelectric device
10/14/1992CN1065361A Piezo-electric motor intended for timepiece
10/14/1992CN1018667B Automatically operating valve for regulating water flow and faucet provided with said valve
10/13/1992US5155523 Workpiece supporting mechanism
10/13/1992US5155418 Actuator device
10/13/1992US5155409 Integral conductor for a piezoelectric actuator
10/13/1992US5155408 Piezoelectric transducer having piezoelectric elements free from stress concentrations
10/13/1992US5155407 Vibration driven apparatus
10/13/1992CA1308769C Magnetostrictive motion system for linear motor
10/07/1992EP0507264A1 Ultrasonic motor with vibrating body and moving body driven thereby
10/07/1992EP0506781A1 A force actuator arrangement.
10/07/1992EP0506764A1 A device in a force actuator.
10/07/1992CN1018570B Water tap
10/06/1992US5153859 Laminated piezoelectric structure and process of forming the same
10/06/1992US5153486 Ultrasonic motor
10/06/1992US5153477 Laminate displacement device
10/01/1992WO1992016975A1 Piezoelectric or electrostrictive actuators
09/1992
09/30/1992EP0506554A1 Resonant pressure sensor
09/30/1992EP0505848A1 Piezo-electric motor, in particular for timepiece
09/30/1992EP0505386A1 Stepping motor to drive a body, especially a shaft, through small angles of rotation per step.
09/30/1992CN1018493B Ferroelectric ceramics
09/22/1992US5150000 Ultrasonic motor
09/22/1992US5149080 Vibratory sheet feeder
09/22/1992US5148735 Electrohydraulic actuator
09/17/1992DE4108502A1 Drive method for bending flat elastic plates - attaching polarised crystal plates to flexible plate and applying voltage to cause expansion by reverse piezo-effect
09/16/1992EP0503892A1 High-frequency apparatus using quartz crystal resonator and its production method
09/16/1992CN1064567A Permanent piezoelectric ceramic wafer energy transducer
09/15/1992US5148077 Coating surrounding a piezoelectric solid state motor stack
09/15/1992US5148075 Vibration wave driven motor
09/15/1992US5148074 For converting electric energy to mechanical energy
09/15/1992US5148068 Electromagnetic actuator for moving an object
09/15/1992US5147141 Driver circuit for piezoelectric actuator, and dot-matrix head and printer using piezoelectric or other actuator having discharge control means
09/09/1992EP0502741A2 Driving circuit for vibration driven motor
09/09/1992CN1018226B Ferroelectric ceramic material
09/09/1992CN1018225B Ferroelectric ceramic material
09/08/1992US5146143 Vibration wave driven motor
09/08/1992US5146129 Vibration wave motor
09/03/1992WO1992015112A1 Methods and apparatus for material deposition
09/02/1992CN1018126B Piezo-electric motor
09/02/1992CN1018116B Converting mechanism of micro-amplitude motion
09/01/1992US5144528 Laminate displacement device
09/01/1992US5144208 Device for adjusting a nominal value of the dimension of an actuator, the longitudinal dimension of which can be changed by applying an external electromagnetic or electrostatic field
09/01/1992US5144187 Piezoelectric motor
09/01/1992US5143636 Controlled-porosity piezoelectric ceramic
09/01/1992US5142781 Method of making a microvalve
09/01/1992CA1306899C Droplet deposition apparatus
08/1992
08/25/1992US5142186 Single crystal domain driven bender actuator
08/20/1992WO1992014295A1 Indicator
08/20/1992WO1992013810A1 Dielectric ceramic composition
08/19/1992EP0499539A1 Piezoelectric transformer showing a reduced input impedance and step-up/step down operation for a wide range of load resistance
08/19/1992EP0499149A1 Driving apparatus and a recording and/or reproducing apparatus using the same
08/18/1992US5140231 Drive circuit for vibratory-wave motor
08/18/1992US5140215 Vibrator and ultrasonic motor employing the same
08/18/1992US5140214 Vibration wave driven apparatus
08/18/1992US5139337 Method and apparatus for the linear transport of materials in roll and sheet form
08/11/1992US5138217 Driving power unit for piezoactuator system and method
08/11/1992US5138216 Micro-beam tactile sensor for the measurement of vertical position displacement
08/11/1992US5138214 Piezoelectric transducer and method of adjusting oscillation frequency thereof
08/11/1992US5137776 Metal-coated, ordered void piezoelectric ceramic material
08/05/1992EP0497227A2 Method and apparatus for fabrication of micro-structures using non-planar, exposure beam lithography
08/04/1992US5136215 Driving circuit for vibration wave motor
08/04/1992US5136201 Piezoelectric robotic articulation
08/04/1992US5136200 Ultransonic motor
08/04/1992US5136162 Measuring device in a scanning probe microscope
08/04/1992US5135852 Piezoelectric cell growth biosensing method using polymer-metabolic product complex interactions
08/04/1992US5135295 Optical fiber substrate containing buffer layer, piezoelectric layer, and conductive layer
07/1992
07/30/1992DE4201937A1 Piezoelectric module consisting of laminated monolith - has improved reliability due to sputtered film and metal foil outer electrodes and moisture resistant layer inside dielectric capping layers
07/28/1992US5134348 Vibration wave motor
07/28/1992US5134335 Linear actuator
07/28/1992US5134334 Ultrasonic linear motor
07/28/1992US5134333 Vibration wave driven motor
07/23/1992WO1992012569A1 Method and device in a motor
07/23/1992WO1992012543A1 Flexure-type piezoelectric transducer
07/22/1992EP0495665A1 Ultrasonic stepping motor
07/22/1992EP0495041A1 Method for the preparation of piezoelectric ceramic materials of pztn
07/22/1992CN1062889A Process for improving electromechanical properties of lead system relaxed ferroelectric ceramics
07/21/1992US5132582 Recording medium transferring apparatus and vibrating element used therein
07/15/1992EP0144311B1 Double resonating beam force transducer with reduced longitudinal pumping
07/14/1992US5130619 Drive control apparatus for an ultrasonic motor
07/14/1992US5130599 Vibrator-type actuator