Patents
Sitemap › H01 - Basic electric elements › H01L - Semiconductor devices; Electric solid state devices not otherwise provided 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
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)
12/1989
12/12/1989US4886382 Printing hammer comprising two hinge parts coupling an arm to a base member on both sides of a hinge coupling the arm to a piezoelectric actuator
12/06/1989EP0344978A2 Ferroelectric ceramic material
12/05/1989US4885499 Ultrasonic driven type motor
12/05/1989US4885498 Stacked type piezoelectric actuator
11/1989
11/30/1989WO1989011778A1 Arrangement for shielding electronic components and providing power thereto
11/30/1989WO1989011738A1 Improvements in and relating to piezoelectric composites
11/30/1989WO1989011737A1 Electrode configuration for vibrating beam transducers
11/29/1989EP0344008A2 Vibrator-type actuator
11/29/1989EP0344000A2 Ferroelectric ceramic material
11/28/1989US4884090 Piezoelectric actuating device
11/28/1989US4884051 Semiconductor diffusion type force sensing apparatus
11/28/1989US4884003 Compact micromotion translator
11/28/1989US4884002 Rotary or linear electric motor whose armature is driven by means of ultrasonic vibrations
11/23/1989EP0342274A1 Arrangement for reducing the piezo effects in a semiconductor material that contains at least one piezo effect-sensitive electric device, and method of making the same
11/22/1989CN2048242U Micro displaeement driver
11/22/1989CN1037426A Low-temp. sintered leady piezoelectric ceramic and its manufacture technology
11/21/1989US4882500 Method for converting standing wave vibrations into motion and standing wave motor therefor
11/21/1989US4882079 Piezoelectric ceramic materials
11/21/1989US4882078 Piezoelectric ceramic composition for actuators
11/21/1989CA1263078A1 Multilayer thin film electrical devices free of adhesive
11/16/1989WO1989011163A1 Device for generating an elastic wave which advances along a closed trajectory
11/16/1989WO1989010813A1 Ceramic electrode material and electrical devices formed therewith
11/16/1989DE3815419A1 Switching device for magnetic resonance imaging equipment (nuclear magnetic resonance investigation equipment)
11/15/1989EP0342040A2 Workpiece supporting mechanism
11/14/1989US4881003 Method and device for reducing the water content in piezoelectric GAPO.sub.4
11/14/1989US4879914 Unitary push-pull force transducer
11/07/1989US4879698 Piezopolymer actuators
11/07/1989US4879568 Droplet deposition apparatus
11/02/1989WO1989010677A1 Flextensional transducer
11/02/1989EP0339142A1 Impact detectors
11/02/1989DE3812684A1 Method for fast scanning of uneven surfaces with the scanning tunnel microscope
10/1989
10/31/1989US4877988 Or copolymers of trifluorovinyl acetate disposed between two electrodes; thin films; transducers, electroluminescent phosphors
10/31/1989US4876776 Method of making piezoelectric composites
10/31/1989CA1262568A1 Piezoelectric coaxial cable
10/25/1989EP0338799A2 Sol-gel method of making ceramics
10/24/1989US4876179 Generating internal cavities by photolithography using stack of green ceramic foils
10/24/1989US4876150 Langmuir blodgett films
10/24/1989US4875378 Pressure sensor with a ferroelectric liquid crystal layer
10/24/1989CA1262471A1 Ultrasonic motor having a friction material comprising a rubber-like elastic material and aromatic polyamide fiber
10/18/1989EP0337389A2 Piezoelectric revolving resonator and single-phase ultrasonic motor
10/18/1989EP0337373A2 Multi-layered dielectric element
10/17/1989US4874980 Laminated mechanical amplification mechanism for piezoelectric elements
10/17/1989US4874979 Electromechanical translation apparatus
10/17/1989US4874978 Device for magnifying displacement of piezoelectric element or the like and method of producing same
10/17/1989US4874727 Improved piezoelectric properties; for underwater acoustic transducers, infra-red ray sensors
10/17/1989US4874598 Process for producing perovskite-type oxides of the ABO3 type
10/11/1989CN1036214A Piezoelectric copolymers of vinylidene fluoride and trifluoro-ethylene
10/10/1989US4873477 Driving circuit for actuator
10/05/1989WO1989009531A1 Electro-mechanical transduction apparatus
10/03/1989US4871939 Piezoelectric motor
10/03/1989US4871938 Positioning device for a scanning tunneling microscope
10/03/1989US4871937 Vibration wave motor
09/1989
09/28/1989DE3809284A1 Control circuit for a piezo-actuator
09/26/1989US4870700 Personal safety radio device
09/26/1989US4869840 Heat exchangers
09/26/1989US4869768 Ultrasonic transducer arrays made from composite piezoelectric materials
09/26/1989CA1260366A1 Method of forming magnetostrictive rods from rare earth-iron alloys
09/21/1989WO1989008945A1 Supersonic motor with magnetic encoder
09/21/1989WO1989008923A1 Method of producing laminated ceramic electronic parts
09/19/1989US4868447 Piezoelectric polymer laminates for torsional and bending modal control
09/19/1989US4868446 Piezoelectric revolving resonator and ultrasonic motor
09/19/1989US4868445 Self tuned ultrasonic generator system having wide frequency range and high efficiency
09/19/1989CA1259710A1 Kinematic arrangement for the micro-movements of objects
09/14/1989DE3806535A1 Drive device for an ultrasound motor
09/08/1989WO1989008240A1 Shear mode transducer for ink jet systems
09/08/1989WO1989007259A3 Integrated scanning tunneling microscope
09/08/1989WO1989007258A3 Integrated scanning tunneling microscope
09/06/1989EP0331160A2 Functional ceramic shaped article and process for producing the same
09/05/1989US4864548 Flextensional transducer
09/05/1989US4863648 Dissolving polymeric material, shaping, applying direct current; free of induced orientation
08/1989
08/30/1989EP0330311A2 Torque detecting apparatus
08/30/1989CN1035213A Travelling wave motor
08/29/1989US4862030 Piezo-electric device
08/29/1989US4862029 Actuator
08/22/1989US4859896 Piezoelectric precision positioning device
08/16/1989EP0328363A2 Piezo electric actuator method and apparatus
08/16/1989EP0328290A1 Electrostriction element and ceramic material therefor
08/15/1989US4857793 Vibration wave motor
08/15/1989US4857792 Circular direction vibrator
08/15/1989US4857791 Linear motor
08/15/1989US4857757 Drive circuit for a two layer laminated electrostriction element
08/10/1989WO1989007345A1 Improved piezoelectric relay element and method for driving the same
08/10/1989WO1989007259A2 Integrated scanning tunneling microscope
08/10/1989WO1989007258A2 Integrated scanning tunneling microscope
08/10/1989WO1989007256A1 An integrated mass storage device
08/09/1989EP0326973A2 Piezoelectric laminate and method of manufacture
08/08/1989US4855633 Piezoelectric actuator
08/02/1989EP0325764A2 Piezoelectric actuator having parallel arrangement of a single piezoelectric element and a pair of displacement magnification arms
08/02/1989EP0325652A1 Gas laser having a piezoelectric fan
08/01/1989US4853580 Piezoelectric pulse generator
08/01/1989US4853579 Drive method for ultrasonic motor providing enhanced stability of rotation
08/01/1989US4853578 Driving apparatus for ultrasonic motor
08/01/1989CA1258086A1 Ultrasonic motor having an organic fibre-resin contact member between stator and rotor
07/1989
07/27/1989DE3820085C1 Microtome, especially ultramicrotome
07/26/1989EP0325062A2 Travelling wave motor
07/25/1989US4851871 Driving unit using electrostrictive element
07/19/1989EP0324450A2 A fuel injection control device for use in an engine
07/18/1989US4849946 Piezo-electric transducer comprising several coaxial sensitive elements
07/18/1989US4849668 Embedded piezoelectric structure and control
07/18/1989US4849034 Thermal treatment for increasing magnetostrictive response of rare earth-iron alloy rods
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