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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02/02/1988 | US4723085 Vibration wave motor |
01/26/1988 | US4721447 Shaping tool for an extruder or calibrator for thermoplastic material |
01/20/1988 | EP0253512A2 Preparation of lead titanate for use in piezoelectric composite transducers |
01/20/1988 | EP0253375A2 Two-dimensional piezoelectric actuator |
01/20/1988 | EP0252929A1 Electrically variable piezoelectric hybrid capacitor. |
01/19/1988 | US4720077 Fuel injection valve |
01/14/1988 | WO1988000399A1 Fine-positioning piezoelectric device |
01/14/1988 | WO1988000132A1 Process for making polarized material and polarized products |
01/13/1988 | EP0252248A2 Actuator |
01/12/1988 | US4719383 Piezoelectric shear wave resonator and method of making same |
01/07/1988 | EP0251468A2 Magnetostrictive drive module |
01/06/1988 | CN85100710B Low qm piezoelectric ceramic material and its preparation method |
12/29/1987 | US4716331 Electrically variable piezoelectric hybrid capacitor |
12/29/1987 | US4715098 Method of making coaxial cable |
12/22/1987 | US4714855 Piezo-electric actuator and stepping device using same |
12/22/1987 | US4714848 Electrically induced mechanical precompression of ferroelectric plates |
12/22/1987 | US4714847 Advanced piezoeceramic power switching devices employing protective gastight enclosure and method of manufacture |
12/22/1987 | US4714797 Composite electromotive apparatus utilizing solar energy and the like |
12/17/1987 | WO1987007767A1 Piezoelectric transducers |
12/16/1987 | EP0249275A2 Lead calcium titanate piezoelectric ceramic element |
12/15/1987 | US4713571 Driving circuit of a vibration wave motor |
12/09/1987 | EP0248432A2 Process for preparing a slender or thin ceramic green body |
12/09/1987 | EP0248233A2 Cathode mounting a high-frequency piezoelectric chip |
12/08/1987 | US4712092 Parallel encoded piezoelectric keyboard switch and array |
12/08/1987 | US4712036 Pressure transducer having a piezoelectric element for pressure measurements at high temperatures particularly for the combustion chamber pressure of internal combustion engines |
12/08/1987 | US4711808 Casting onto a polymer substrate having an ionizing radiation-treated surface; chilling; nonstretching |
12/03/1987 | WO1987007218A1 Piezoelectrically operated fluid pump |
12/03/1987 | DE3618106A1 Piezoelektrisch betriebene fluidpumpe Piezoelectric driven fluid pump |
12/02/1987 | EP0247734A2 Piezoelectric composite materials and method of making |
12/02/1987 | EP0247540A2 Electrostriction effect element |
12/01/1987 | US4710311 Piezoelectric ceramic composition |
11/24/1987 | US4709209 Magnetostrictive vibration wave position detecting apparatus with variable threshold detecting valves |
11/24/1987 | US4709183 Linear motor |
11/17/1987 | US4707311 Expansion, molding, resin binder, sintering |
11/11/1987 | EP0244421A1 Mounting for piezoelectric bender of fluid control device |
11/10/1987 | US4705980 Drive control method of ultrasonic vibrator |
11/10/1987 | US4705003 Apparatus for controlling electroexpansive actuator avoiding deterioration of polarization |
11/10/1987 | US4704774 Ultrasonic transducer and method of manufacturing same |
11/05/1987 | WO1987006769A1 Electrically controlled driving device |
11/03/1987 | USH372 Piezoelectric charging device |
11/03/1987 | US4703550 Method for manufacturing a torque sensor |
10/27/1987 | US4703218 Piezo-electric assembly |
10/27/1987 | US4703215 Stacked piezoelectric ceramics displacement magnifying device |
10/27/1987 | US4703214 Ultrasonic vibrator and its drive control method |
10/27/1987 | CA1228473A1 Piezoelectric ceramic materials |
10/22/1987 | WO1987006394A1 Connectors for use with piezoelectric polymeric film transducers |
10/20/1987 | US4701660 Piezoelectric transducer for low forces |
10/15/1987 | DE3709533A1 Sensor for mechanical forces preceding from animal or human bodies |
10/13/1987 | CA1228151A1 Piezoelectric coaxial cable having a helical inner conductor |
10/07/1987 | EP0239637A1 Crystalline vinylidene fluoride. |
09/30/1987 | EP0239094A2 Semiconductor strain gauge bridge circuit |
09/30/1987 | EP0239085A2 Device for micro-movement of objects |
09/30/1987 | EP0238746A2 Gas pressure transducer |
09/29/1987 | US4697118 Piezoelectric switch |
09/29/1987 | US4697117 Rotary ultrasonic motor |
09/29/1987 | US4696192 Fluid pressure sensor |
09/28/1987 | EP0244421A4 Mounting for piezoelectric bender of fluid control device. |
09/24/1987 | WO1987005670A1 Electrically controllable positioning system |
09/23/1987 | EP0237709A1 Beta phase PVDF film formed by casting it into a specially prepared insulating support |
09/23/1987 | EP0237616A2 Line array transducer assembly |
09/22/1987 | US4695988 Underwater piezoelectric arrangement |
09/22/1987 | US4695756 Laminated terminal layer for electronic component |
09/22/1987 | US4695034 Fluid control device |
09/17/1987 | DE3608494A1 Elektrisch ansteuerbare stelleinrichtung Electrically controllable adjustment device |
09/16/1987 | EP0237250A1 Ferroelectric film device |
09/15/1987 | US4694440 Underwater acoustic wave transmitting and receiving unit |
09/15/1987 | CA1226971A1 Method for producing electret-containing devices |
09/09/1987 | EP0235494A1 Active tactile sensor apparatus and method |
09/08/1987 | US4692672 Vibration wave motor |
09/08/1987 | US4692653 Acoustic transducers utilizing ZnO thin film |
09/08/1987 | US4692652 Vibration wave motor |
09/08/1987 | US4692651 Vibration wave motor |
09/08/1987 | US4692650 Vibration wave motor |
09/08/1987 | US4692649 Driving circuit of a vibration wave motor |
09/08/1987 | US4692285 Process of preparing nonfibrous, piezoelectric polymer sheet of improved activity |
09/02/1987 | EP0234274A2 A linear actuator |
09/01/1987 | US4690143 Pacing lead with piezoelectric power generating means |
08/27/1987 | WO1987005166A1 Ultrasonic motor |
08/25/1987 | US4689514 Displacement generating device |
08/25/1987 | US4688536 Drive circuit for an electrostrictive actuator in a fuel injection valve |
08/25/1987 | US4688306 Conductive, dielectric polymers |
08/18/1987 | CA1225694A1 Piezoelectric actuator using bimorph element |
08/12/1987 | EP0231940A2 Piezoelectric drive |
08/12/1987 | EP0231892A2 Electric signal transfer element |
08/12/1987 | EP0044342B1 Pressure sensitive piezoelectric polymer signal generator |
08/11/1987 | US4686440 Fine positioning device |
08/11/1987 | US4686407 Split mode traveling wave ring-resonator |
08/11/1987 | CA1225468A1 Method of fabricating composite electrical transducers |
08/06/1987 | DE3603022A1 Piezoelectric relay |
08/06/1987 | DE3546388A1 Compressed-air-driven high-voltage generator |
08/05/1987 | EP0230562A1 Method for preparing piezo-ceramic membranes |
08/04/1987 | US4684842 Gas pressure transducer |
08/04/1987 | US4684841 Saw devices including resistive films |
08/04/1987 | US4684337 Device for polarizing ferroelectric materials |
07/30/1987 | DE3614996C1 Elektrisch steuerbare Antriebsvorrichtung Electrically controllable drive device |
07/28/1987 | US4683161 Transducers |
07/28/1987 | CA1224608A1 Process and apparatus for forming non-woven webs from highly oriented melt blown fibers and products produced thereby |
07/22/1987 | EP0229688A2 Mechanical property sensor element and method for making the same |
07/22/1987 | EP0229555A1 Ferro-electric materials composition |
07/22/1987 | EP0229138A1 Langmuir blodgett films |