| 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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| 11/20/1984 | US4484099 Piezoelectric vibration wave motor with multiple traveling wave generating members |
| 11/14/1984 | EP0124600A1 An improved trapped energy resonator for multiple resonator application |
| 11/13/1984 | US4482833 Method for obtaining oriented gold and piezoelectric films |
| 11/13/1984 | CA1177951A1 Acoustic diffractometer |
| 11/07/1984 | EP0124250A1 Displacement generation device |
| 11/07/1984 | EP0123864A2 Piezo-ceramic body impregnated with synthetic resin |
| 11/06/1984 | US4481488 Trapped energy resonator for oscillator and multiple resonator applications |
| 11/06/1984 | US4481158 For piezoelectric films |
| 10/31/1984 | EP0122918A1 Acoustic charge transport device and method. |
| 10/23/1984 | US4479069 For measuring the air flow resistivity on the Earth's surface |
| 10/23/1984 | US4477952 Piezoelectric crystal electrodes and method of manufacture |
| 10/11/1984 | WO1984003998A1 Doubling resonating beam force transducer with reduced longitudinal pumping |
| 10/02/1984 | US4475014 Acoustical transducer |
| 09/26/1984 | EP0119706A2 Improved polarizing of material |
| 09/25/1984 | US4473767 Surface acoustic wave convolver with depletion layer control |
| 09/19/1984 | EP0118757A2 Polymeric ferro-electric material |
| 09/18/1984 | US4472652 Electrode piezoelectric devices including surface wave devices |
| 09/11/1984 | US4471257 Monitoring system for electrically actuated control element |
| 09/11/1984 | US4471256 Piezoelectric actuator, and valve apparatus having actuator |
| 09/05/1984 | EP0117547A2 Differential lever actuator |
| 09/05/1984 | EP0117437A1 Method of generating the current impulses necessary for the operation of radiation-emitting semiconductor diodes, and device for carrying out the method |
| 09/04/1984 | US4469978 Electrode arrangement for a folded polymer piezoelectric ultrasonic detector |
| 09/04/1984 | US4469976 Single-side connected transducer |
| 09/04/1984 | US4469974 Low power acoustic fuel injector drive circuit |
| 08/29/1984 | EP0116800A1 Excitable piezoelectric epitaxial structure and electronic device for the generation of surface acoustic waves therein |
| 08/28/1984 | US4468583 Piezoelectric rotary actuator |
| 08/21/1984 | US4467236 Piezoelectric acousto-electric generator |
| 08/21/1984 | US4466874 Plasma etching to produce scale, sputtering metal layer |
| 08/14/1984 | US4465547 Method of bonding a poly (vinylidene fluoride) solid to a solid substrate |
| 08/07/1984 | US4463727 Diesel engine fuel injection system |
| 08/02/1984 | WO1984003003A1 Thin-film dielectric and process for its production |
| 07/31/1984 | CA1171979A1 Composite piezoelectric material in the form of a film and a method of fabrication of said material |
| 07/31/1984 | CA1171953A1 Seismic vibration detector using piezoelectric polymeric substance |
| 07/25/1984 | EP0113999A1 Method of producing electrostrictive effect element |
| 07/24/1984 | CA1171496A1 Vibrating transducer power supply for use in abnormal tire condition warning systems |
| 07/19/1984 | WO1984002823A1 Method of manufacturing piezoelectric vibrator |
| 07/19/1984 | WO1984002755A1 Improved long tube bender element squeeze bearing |
| 07/17/1984 | US4460842 Piezoelectric device with high, constant preload force |
| 07/17/1984 | US4460840 Temperature compensated piezoelectric actuator arrangement |
| 07/10/1984 | US4459634 Process for removing unstable charges |
| 07/05/1984 | WO1984002584A1 Composite electromotive apparatus utilizing solar energy and the like |
| 07/04/1984 | EP0112454A2 Rotary actuator |
| 07/03/1984 | US4458172 Ultrasonic probe |
| 06/26/1984 | US4456850 Piezoelectric composite thin film resonator |
| 06/26/1984 | US4456394 Piezoelectric printer and asymmetric piezoelectric actuator used therein |
| 06/26/1984 | CA1169981A1 Corona discharge poling process |
| 06/26/1984 | CA1169918A1 Apparatus for the rapid continuous corona poling of polymeric films |
| 06/19/1984 | US4455501 Precision rotation mechanism |
| 06/12/1984 | US4454441 Piezoelectric driving apparatus |
| 06/05/1984 | US4453103 Piezoelectric motor |
| 05/29/1984 | US4451859 Magnetic video head position control |
| 05/29/1984 | US4451753 Piezoelectric device with surface charge shunt |
| 05/29/1984 | CA1168348A1 Ultrasonic transducer element |
| 05/23/1984 | EP0109120A2 Ceramic bistable flexure device |
| 05/15/1984 | US4449107 Zinc oxide layer on silicon substrate |
| 05/15/1984 | US4448805 Resistive links between regions to prevent arcing |
| 05/10/1984 | WO1984001857A1 An improved trapped energy resonator for multiple resonator application |
| 05/09/1984 | EP0107993A2 Method of making a piezo or pyroelectric material including a reticulation step |
| 05/03/1984 | EP0044342A4 Pressure sensitive piezoelectric polymer signal generator. |
| 05/02/1984 | EP0107059A1 Current sensor |
| 05/01/1984 | US4445384 Piezoelectric pressure sensor |
| 05/01/1984 | CA1166767A1 Process for manufacturing electromechanical transducers using at least one polymer film and a device for implementing said process |
| 04/25/1984 | EP0106483A2 Piezoelectric displacing device |
| 04/24/1984 | US4445066 Electrode structure for a zinc oxide thin film transducer |
| 04/18/1984 | EP0105483A2 Piezoelectric sensor |
| 04/17/1984 | US4443730 Biological piezoelectric transducer device for the living body |
| 04/17/1984 | US4443729 Piezoceramic bender element having an electrode arrangement suppressing signal development in mount region |
| 04/17/1984 | CA1165860A1 Piezoelectric electro-mechanical bimorph transducer |
| 04/10/1984 | US4442372 Piezo electric apparatus for generating electricity |
| 04/10/1984 | CA1165150A1 Rolled core |
| 03/28/1984 | EP0103683A2 Angular rate sensor |
| 03/21/1984 | EP0103352A2 Magnetic sensor, particularly playback head for magnetic recording media |
| 03/21/1984 | EP0103304A2 Piezoelectric oxide material |
| 03/20/1984 | US4438509 Transducer with tensioned-wire precompression |
| 03/20/1984 | US4438469 Deflectable transducer mounting assembly |
| 03/20/1984 | US4438364 Piezoelectric actuator |
| 03/20/1984 | US4438363 Electrically controlled mechanical positioning device |
| 03/13/1984 | US4437033 Ultrasonic transducer matrix having filler material with different acoustical impedance |
| 03/07/1984 | EP0101999A1 Piezo-electric coupler, in particular an electromechanical ignition coupler |
| 03/06/1984 | US4435667 Spiral piezoelectric rotary actuator |
| 03/06/1984 | US4435666 Lever actuator comprising a longitudinal-effect electroexpansive transducer and designed to prevent actuation from degrading the actuator |
| 03/01/1984 | WO1984000859A1 Acoustic charge transport device and method |
| 02/28/1984 | US4434114 Production of wrinkle-free piezoelectric films by poling |
| 02/21/1984 | US4433264 Stannic oxide layer between zinc oxide and electrode |
| 02/21/1984 | CA1162658A1 Quartz resonator processing system |
| 02/15/1984 | EP0100501A2 Vibration sensor |
| 02/14/1984 | US4431935 Sensor structure incorporating multiple piezoelectric generators |
| 02/14/1984 | US4431934 Electrically actuated piezoelectric control element |
| 02/14/1984 | CA1162288A1 Transducer device having a piezoelectric polymer element and a method of fabrication of said device |
| 02/07/1984 | US4430596 Temperature insensitive piezoelectric crystal mounting arrangement |
| 02/07/1984 | US4430594 Device for contacting tubular piezo-electric transducers |
| 01/31/1984 | US4428808 Sputtering layer of glass before deposition of gold |
| 01/24/1984 | US4427913 Acoustic diffractometer |
| 01/24/1984 | US4427609 Process for producing piezoelectric polymer films |
| 01/17/1984 | CA1160731A1 Resonators for acceleration environments |
| 01/11/1984 | EP0097908A1 Drive circuit for piezoelectric transducers in ink mosaic recording devices |
| 01/03/1984 | US4424465 Piezoelectric vibration transducer |
| 12/27/1983 | US4423347 Positioning element with a piezo-ceramic body |
| 12/20/1983 | US4422003 Perforated PZT polymer composites |
| 12/20/1983 | US4422002 Piezo-electric travelling support |