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)
07/1992
07/14/1992US5130598 Apparatus for driving a piezoelectric actuator
07/14/1992US5129132 Method of making an integrated scanning tunneling microscope
07/14/1992CA1305248C Piezoelectric sensor with at least one pair of long, flexible, sensitiveelements
07/08/1992EP0493941A1 A supporting device for vibration wave driven motor
07/07/1992US5128580 Vibration wave driven motor
07/07/1992US5128544 Scanning probe microscope
07/07/1992US5127982 Polycrystal piezoelectric device and method of producing the same
07/07/1992CA1304601C Magnetoelastic torque transducer
07/04/1992CA2033593A1 Monopole, dipole, and quadrupole borehole seismic transducers
07/01/1992EP0492915A1 Cantilever probe and apparatus using the same
07/01/1992EP0491871A1 Piezoelectric cylindrical transducer for producing or detecting asymmetrical vibrations
06/1992
06/30/1992US5126618 Longitudinal-effect type laminar piezoelectric/electrostrictive driver, and printing actuator using the driver
06/30/1992US5126615 Piezoelectric/electrostrictive actuator having at least one piezoelectric/electrostrictive film
06/30/1992US5126614 Piezoelectric device and related converting devices
06/30/1992US5126589 Piezoelectric driver using resonant energy transfer
06/25/1992WO1992010729A1 Microdevice for sensing or applying a force and method of making the same
06/23/1992US5124611 Vibration motor
06/17/1992EP0490642A2 An electrostatographic imaging device
06/17/1992EP0490260A2 Ferroelectric ceramic transducer
06/16/1992US5122700 Frictional material for vibration wave driven motor
06/12/1992CA2032015A1 Method to double the piezo - and pyroelectric constants of polyvinylinde fluoride (pvdf) films
06/11/1992WO1992009436A1 Laminate for use in manufacture of ink jet printheads
06/10/1992EP0489519A2 Sol-gel processing of piezoelectric and ferroelectric films
06/09/1992US5121025 Vibrator-type actuator
06/09/1992US5120925 Methods for device transplantation
06/09/1992US5120377 Method of manufacturing laminated ceramic material
06/05/1992WO1992010874A1 Piezoelectric motor
06/05/1992CA2075032A1 Piezoelectric motor
06/03/1992EP0488232A1 An electrostrictive actuator
06/02/1992US5118982 Thickness mode vibration piezoelectric transformer
05/1992
05/31/1992WO1992010030A1 Crystal cut angles for lithium tantalate crystal for novel surface acoustic wave devices
05/31/1992CA2073330A1 Crystal cut angles for lithium tantalate crystal for novel surface acoustic wave devices
05/28/1992CA2096726A1 Laminate for use in manufacture of ink jet printheads
05/26/1992US5117148 Vibrator
05/26/1992US5116643 Lead, lanthanum, zirconium, titanium ceramics
05/26/1992US5116462 Cantilever beam; coating, masking, etching
05/26/1992US5115971 Nebulizer device
05/21/1992DE4124717A1 Setting element for electrical actuator - provides required movement by summation of individual movements, e.g. for aircraft propeller blade or helicopter rotor blade
05/20/1992EP0485995A1 Laminated piezoelectric actuator
05/20/1992CN1061307A 压电致动器 The piezoelectric actuator
05/19/1992US5115162 Actuation responsive brake pedal pad assembly
05/19/1992US5115161 Ultrasonic motor
05/19/1992US5114467 Method for manufacturing magnetostrictive materials
05/19/1992US5113566 Method of producing a multilayer piezoelectric element
05/19/1992CA1301230C Ultrasonic driving device
05/14/1992WO1992009110A1 Method for dissolving a crystalline material
05/14/1992CA2073428A1 Method for dissolving a crystalline material
05/13/1992CN1061111A High power piezoelectric ceramic material
05/12/1992US5113117 Miniature electrical and mechanical structures useful for constructing miniature robots
05/12/1992US5113108 Hermetically sealed electrostrictive actuator
05/12/1992US5112433 Precipitation of hydroxides, slurrying, adding oxides or hydroxides to adjust composition, hydrothermal treatment
05/06/1992EP0484231A1 A piezoelectric ceramic material with large power output ability
05/06/1992EP0483955A1 Encapsulated ceramic device and method for embedding in composite structure
05/06/1992EP0325652B1 Gas laser having a piezoelectric fan
05/06/1992CN1016570B Piezoelectric sensor comprising at least one pair of flexible sensitive elements of great length
05/06/1992CN1016504B Ferroelectric ceramics
05/05/1992US5111101 Device for magnifying displacement of piezoelectric element and method of producing the same
05/05/1992US5110376 Super-magnetostrictive alloy
04/1992
04/21/1992US5107163 Ultrasonic motor
04/21/1992US5107162 Ultrasonic motor using rectangular wave
04/21/1992US5107114 Fine scanning mechanism for atomic force microscope
04/21/1992US5106455 Method and apparatus for fabrication of micro-structures using non-planar, exposure beam lithography
04/21/1992CA1299228C Ultrasonic driving device
04/16/1992WO1992006532A1 Coating surrounding a piezoelectric solid state motor stack
04/16/1992WO1992006512A1 Process for making piezoelectric stacks
04/16/1992WO1992006511A1 Piezoelectric solid state motor stack
04/16/1992WO1992006510A1 Multilayer ceramic structures
04/16/1992WO1992006509A1 Composite multilayer ceramic structure
04/16/1992WO1992006508A1 Single-piece multiple electrode conductor
04/16/1992DE4032555A1 Electromagnetically-operated pump for hydraulic braking system - uses magnetostrictive actuator acting on piston or membrane for varying vol. of pump pressure space
04/15/1992CN1060368A 压电致动器 The piezoelectric actuator
04/14/1992US5105146 Current sensor and method for determining the current flow in conductors to be evaluated
04/14/1992US5105117 Ultrasonic motor
04/14/1992CA1298866C Ultrasonic driving device
04/08/1992EP0479614A2 Vibration driven motor
04/08/1992EP0479328A2 Piezoelectric actuator
04/08/1992EP0479094A1 Stacked piezoelectric device
04/08/1992EP0478998A2 Method of making a piezoelectric actuator
04/08/1992CN1060192A Acoustic transmitter
04/07/1992US5103361 Magnetic head apparatus having non-magnetic metal interposed between piezoelectric members
04/07/1992US5103128 Ultrasonic motor
04/07/1992US5103094 Compact temperature-compensated tube-type scanning probe with large scan range
04/04/1992CA2052591A1 Method and apparatus
04/02/1992WO1992005593A1 Method for manufacturing electrostrictive effect element
04/02/1992WO1992005592A1 Piezoelectric component-mounting foil and foil-making method
04/02/1992DE4131948A1 Vibration part for ultrasonic motor - has two drive vibrators arranged at distance from each other and two sensors mutually spaced at preset distance
04/01/1992EP0477400A1 Device for compensating the tolerance in the lift direction of the displacement transformer of a piezoelectric actuator
03/1992
03/31/1992US5101183 Magnetostrictive clamp
03/31/1992US5101144 Ultrasonic motor driving circuit
03/31/1992US5101132 Linear ultrasonic motor
03/31/1992CA1298416C High stability bimorph scanning tunneling microscope
03/29/1992WO1992006567A1 Acoustic transmitter
03/26/1992DE4029974A1 Piezoelectric elements are cut from wafer - by using diamond coated saw and sawing through wafer thickness in 3 patterns of parallel lines to give regular hexagonal elements
03/26/1992DE4029972A1 Laminated ultrasonic transducer - with porous piezo-ceramic and electrodes, giving good electrical and acoustic match and high coupling factor
03/25/1992EP0477002A2 Piezoelectric transformer
03/25/1992EP0476703A1 Piezoelectric ceramic composition for actuators
03/25/1992CN2100029U Piezoelectric ceramic power generator
03/24/1992US5099180 Ultrasonic motor driving circuit
03/24/1992US5099167 Vibration wave driven motor
03/24/1992US5099166 Vibration wave driven motor