| 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) |
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| 07/18/1989 | US4848643 Compression, heating, alloying chromium, silver, and indium/ |
| 07/12/1989 | EP0323638A1 Fuel injector |
| 07/06/1989 | DE3738507C1 High-voltage transformer for transformation of a low electrical voltage into a higher output voltage, using a piezoelectric element |
| 07/05/1989 | EP0322899A2 Piezo electric vibrator pump |
| 07/05/1989 | CN1004739B Humidity sensor and the method of making |
| 07/04/1989 | US4845688 Electro-mechanical transduction apparatus |
| 07/04/1989 | US4845450 Self-biased modular magnetostrictive driver and transducer |
| 07/04/1989 | US4845399 Laminated piezoelectric transducer |
| 07/04/1989 | US4845357 Method of actuation and flight control |
| 06/27/1989 | US4843293 Apparatus for controlling servo system employing piezo-electric actuator |
| 06/27/1989 | US4842017 Fluid flow control apparatus |
| 06/27/1989 | US4841936 Fuel injection control device of an internal combustion engine |
| 06/27/1989 | US4841609 A method of manufacturing piezoelectric vibrators |
| 06/21/1989 | EP0321438A2 Piezoelectric crystal element, and method of making the same |
| 06/21/1989 | EP0320996A2 Mechanical amplification mechanism for piezoelectric elements |
| 06/21/1989 | EP0306530A4 Piezoelectric motor. |
| 06/20/1989 | US4841191 Piezoelectric actuator control apparatus |
| 06/20/1989 | CA1256195A1 Ultrasonic damping apparatus |
| 06/14/1989 | EP0320344A1 Piezoelectric copolymers of vinylidene fluoride and trifluoroethylene |
| 06/14/1989 | EP0319565A1 A transporter. |
| 06/07/1989 | EP0319038A2 Sealing structure of an electrostrictive element |
| 06/07/1989 | EP0319006A1 Piezoelectric ceramic composition for actuators |
| 05/31/1989 | EP0317976A2 Ultrasonic motor |
| 05/30/1989 | US4835436 Piezoelectric impulse sensor |
| 05/30/1989 | US4835434 Piezoelectric positioning element |
| 05/24/1989 | EP0316396A1 Positioning apparatus particularly for use in a vacuum environment |
| 05/24/1989 | EP0316365A1 Process for making polarized material and polarized products |
| 05/23/1989 | US4833659 Sonar apparatus |
| 05/23/1989 | US4833359 Driving apparatus for ultrasonic motor |
| 05/23/1989 | US4833358 Vibration wave motor |
| 05/17/1989 | EP0316298A1 Process for decreasing the water content in piezoelectric gallium phosphate crystal elements |
| 05/17/1989 | EP0316257A2 Piezoelectric sensor |
| 05/17/1989 | EP0315933A2 Ultrasonic motor |
| 05/16/1989 | US4831306 Piezoelectric motor having a pivotally mounted annular shaped housing |
| 05/16/1989 | US4831305 Vibration wave motor |
| 05/16/1989 | US4830996 Dielectric |
| 05/16/1989 | US4830795 Dissolving, direct current |
| 05/11/1989 | DE3736896A1 Electroacoustic transducer |
| 05/10/1989 | CN1032847A Automatically operating valve for adjusting water flow and tap having this valve |
| 05/09/1989 | US4829209 Ultrasonic motor with stator projections and at least two concentric rings of electrodes |
| 05/03/1989 | CN2037111U Longitudinal oscillating hollow piezoelectric energy transducer |
| 05/02/1989 | US4826616 Dipolar ferroelectric ceramic in cured polyepoxide |
| 05/02/1989 | US4825894 Piezoelectric torque motor |
| 04/27/1989 | EP0225379A4 Apparatus for electrical control of rate of fluid flow. |
| 04/26/1989 | EP0313352A2 Ultrasonic motor |
| 04/26/1989 | EP0313130A2 Rotary or linear electric motor in which the rotor in driven by ultrasonic vibrations |
| 04/26/1989 | EP0313072A1 Method of and apparatus for conveying object by utilizing vibration |
| 04/25/1989 | US4825227 Shear mode transducer for ink jet systems |
| 04/25/1989 | US4825117 Temperature compensated piezoelectric transducer assembly |
| 04/25/1989 | US4824252 Laser gyro system |
| 04/25/1989 | US4823810 Bipolar electrodes discharging sparks of piezo-electric origin for the relief of pains and contractures by direct application to the skin |
| 04/25/1989 | US4823617 Torque sensor |
| 04/20/1989 | WO1989003595A1 An electrostrictive ceramic material including a process for the preparation thereof and applications therefor |
| 04/19/1989 | EP0312409A2 Ultrasonic driving device |
| 04/19/1989 | EP0312384A2 Piezo-electric acceleration sensor |
| 04/19/1989 | EP0312063A1 Thermal treatment for increasing magnetostrictive response of rare earth-iron alloy rods |
| 04/13/1989 | DE3832658A1 Laminated adjusting element |
| 04/13/1989 | DE3733109A1 Method for producing a piezoceramic element for an ink jet printer |
| 04/12/1989 | EP0310605A1 Piezoelectrically operated fluid pump |
| 04/11/1989 | US4821053 Photographic flash device |
| 04/11/1989 | US4820897 Process for producing miniature piezoelectric devices using laser machining and devices obtained by this process |
| 04/06/1989 | WO1989002804A1 Forged body |
| 04/05/1989 | EP0309886A2 Automatically operating valve for regulating water flow and faucet provided with said valve |
| 04/05/1989 | CN1032272A Piezo-electric motor |
| 04/04/1989 | US4819215 Electric signal transfer element |
| 04/04/1989 | US4818304 Thermal-magnetic treatment above curie temperature |
| 04/04/1989 | EP0252929A4 Electrically variable piezoelectric hybrid capacitor. |
| 03/29/1989 | EP0309147A2 Monolithic piezoelectric bimorph |
| 03/29/1989 | EP0308970A2 Piezoelectric motor |
| 03/28/1989 | US4816713 Piezoelectric sensor with FET amplified output |
| 03/23/1989 | WO1989002658A1 Piezoelectric polymer laminates for torsional and bending modal control |
| 03/22/1989 | EP0308126A2 A drive circuit for an actuator |
| 03/22/1989 | CN1031896A Rapid determination method of crystallographic-axis polarities of monocrystalline lithium tantalate |
| 03/21/1989 | US4814660 Piezoelectric motor with multilayer piezoelectric elements |
| 03/21/1989 | US4814659 Variable cross-section piezoelectric actuator |
| 03/21/1989 | US4814622 High speed scanning tunneling microscope |
| 03/15/1989 | EP0307354A1 Device for the precision adjustment of a unit with respect to a reference system, and its use |
| 03/15/1989 | EP0306530A1 Piezoelectric motor |
| 03/14/1989 | US4812699 Drive control device in an ultrasonic vibration motor |
| 03/14/1989 | US4812698 Piezoelectric bending actuator |
| 03/14/1989 | US4812697 Ultrasonic vibrator and a method of controllingly driving same |
| 03/14/1989 | EP0290577A4 An improved photo-selective plating method. |
| 03/13/1989 | EP0207095A4 A rare earth flextensional transducer. |
| 03/07/1989 | US4811246 Micropositionable piezoelectric contactor |
| 03/07/1989 | US4810923 Vibration wave motor |
| 03/07/1989 | US4810920 Acoustic surface wave multimode filter comprising a bus bar which is thicker than acoustic surface wave resonators |
| 03/07/1989 | US4810913 Increased sensitivity piezoelectric hydrophones |
| 02/28/1989 | US4808874 Double saggital stroke amplifier |
| 02/28/1989 | US4808352 Crystalline vinylidene fluoride |
| 02/23/1989 | WO1989001603A1 Scanning type tunnel microscope |
| 02/14/1989 | US4805057 Magnetic head driving apparatus |
| 02/14/1989 | US4803763 Method of making a laminated piezoelectric transducer |
| 02/09/1989 | WO1989001250A1 Gas laser having a piezoelectric fan |
| 02/09/1989 | WO1989000921A1 Piezoelectric ink printing head and process for its production |
| 02/09/1989 | WO1989000920A1 Piezoelectric ink printing head and process for its production |
| 02/09/1989 | DE3725500A1 Piezoelektrischer tintendruckkopf und verfahren zu seiner herstellung A piezoelectric ink jet print head and method for its preparation |
| 02/09/1989 | DE3725499A1 Piezoelektrischer tintendruckkopf und verfahren zu seiner herstellung A piezoelectric ink jet print head and method for its preparation |
| 02/07/1989 | US4803671 Sensor for acoustic shockwave pulses |
| 02/07/1989 | US4803393 Piezoelectric actuator |
| 02/07/1989 | US4803392 Strontium titanate or magnesium oxide substrate with lead titanate covering groove openings on substrate |