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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08/06/1980 | EP0013952A1 Filament containing conductive layers, and its use |
07/22/1980 | US4214018 Heating to desorb gases, vacuum deposition |
07/15/1980 | CA1081864A1 Manufacture of electrically polarized responsive elements |
07/08/1980 | US4211951 Shear type prestressed piezoelectric force transducer |
07/01/1980 | US4210837 Piezoelectrically driven torsional vibration motor |
07/01/1980 | US4210546 Piezoelectric ceramic compositions |
07/01/1980 | CA1080782A1 Mosaic printer arrangements |
06/25/1980 | EP0012583A1 Piezoelectric ceramic production |
06/24/1980 | US4209725 Selenium layer piezoelectric device |
06/03/1980 | CA1078932A1 Quartz crystal resonator |
06/03/1980 | CA1078917A1 Two-directional fine adjusting device |
05/27/1980 | US4205248 Quartz crystal vibrator electrode configuration |
05/27/1980 | US4205117 Piezoelectric crystalline film of zinc oxide and method for making same |
05/27/1980 | US4204757 Flash lamp operating mechanism |
05/27/1980 | CA1078532A1 Diffusion bonding of crystals |
05/20/1980 | US4204178 Acoustic wave devices |
05/20/1980 | US4204135 Piezoelectric elements of organic high molecular weight materials |
05/20/1980 | CA1078031A1 Multipole resonator |
05/14/1980 | EP0010983A1 Positioning apparatus |
05/13/1980 | CA1077615A1 Integrally sintered ceramic complex and method of manufacturing the same |
04/15/1980 | US4197676 Apparatus for automatic lapping control |
04/15/1980 | CA1075782A1 Surface acoustic wave device |
03/25/1980 | US4195243 Piezoelectric wafer mover |
03/18/1980 | US4193703 Matrix printer with piezoelectrically driven printing needles |
03/18/1980 | CA1073705A1 Glassy alloys having near-zero magnetostriction and high saturation induction |
03/11/1980 | US4193010 Sensor device using piezoelectric coating subjected to bending |
02/26/1980 | US4190785 Pressure sensitive signal generator using piezoelectric coating |
02/26/1980 | CA1072662A1 Optical scanning |
02/19/1980 | US4189734 Method and apparatus for recording with writing fluids and drop projection means therefor |
02/12/1980 | CA1071750A1 Transducer having piezoelectric film arranged with alternating curvatures |
02/12/1980 | CA1071749A1 Piezo-electric actuating element for a recording head |
01/29/1980 | US4185621 Body parameter display incorporating a battery charger |
01/22/1980 | US4185218 Piezoelectric acoustic surface wave filter coupler |
01/22/1980 | US4184971 Ferromagneticpiezoelectric ceramic composition |
01/09/1980 | EP0006624A2 Method for manufacturing ultrasonic transducers |
01/08/1980 | US4183010 Pressure compensating coaxial line hydrophone and method |
01/08/1980 | US4182793 Contains copper sulfide, telluride, selenide, selenate, phosphide, phosphate |
01/08/1980 | CA1069610A1 Piezoelectric crystal |
01/01/1980 | US4180892 Method for the manufacture of a force transducer |
12/11/1979 | US4178527 Quartz crystal tuning fork vibrator with unexcited tine centers for reduced flexural amplitudes |
12/11/1979 | CA1067993A1 Piezoelectric transducers |
12/04/1979 | US4176976 Mosaic printing head |
11/27/1979 | US4176030 Method for forming a quartz crystal vibrator |
11/20/1979 | CA1066798A1 Vibration detecting device and a method for adapting the same |
11/14/1979 | EP0005265A2 Method for making contact on the adhesive side of the electrode of an electrical device |
11/13/1979 | US4174421 Piezoelectric crystalline film of zinc oxide and method for making same |
11/06/1979 | US4173659 Method for manufacturing sensitive elements having a permanent electric polarization |
10/30/1979 | US4172908 Quartz crystal vibrator |
10/09/1979 | US4170737 Top-entry transmission electron microscope |
10/09/1979 | US4170498 Transducer |
10/09/1979 | CA1064087A1 Cylindrical magnetostrictive transducer |
10/02/1979 | US4169803 Ferromagnetic piezoelectric ceramic composition |
09/25/1979 | US4169276 Drive circuit for controlling a movable magnetic head |
09/04/1979 | CA1061687A1 Method of polarization of a ferroelectric material |
08/28/1979 | US4166258 Thin-film integrated circuit with tank circuit characteristics and applications to thin-film filters and oscillators |
08/28/1979 | US4166230 Slotted, electroded piezoelectric wafer for electro-optic devices |
08/28/1979 | US4166229 Piezoelectric polymer membrane stress gage |
08/28/1979 | CA1061474A1 Method of monitoring the machining by ion bombardment, of a piezoelectric wafer |
08/14/1979 | US4164676 Piezoelectric crystalline film of zinc oxide containing additive elements |
07/31/1979 | US4163168 Two-directional piezoelectric driven fine adjusting device |
07/24/1979 | US4162415 Acoustic surface wave transducer and filter built around this transducer |
07/24/1979 | US4162111 Piezoelectric ultrasonic transducer with damped housing |
07/17/1979 | US4161670 Circuit arrangement for driving piezoelectric ink jet printers |
07/10/1979 | US4160928 Case assembly for piezoelectric resonator |
07/03/1979 | US4160184 Piezoelectric actuator for a ring laser |
07/03/1979 | CA1057846A1 Piezoelectric stack insulation |
06/26/1979 | US4159435 Acoustic wave devices employing surface skimming bulk waves |
06/19/1979 | US4158368 Magnetostrictive transducer |
05/30/1979 | EP0002161A2 Piezo-electric transducing device and process for its manufacture |
05/29/1979 | US4156825 Piezoelectric high voltage generating device |
05/29/1979 | US4156823 Method for damping an ultrasonic transducer |
05/22/1979 | US4156214 Multipole resonator |
05/22/1979 | US4156050 Piezoelectric crystalline films and method of preparing the same |
05/22/1979 | CA1055146A1 High power piezoelectric bender |
05/15/1979 | US4154025 Method for preparing oxide piezoelectric material wafers |
05/01/1979 | US4152616 Piezoelectric crystal mounting |
05/01/1979 | US4152280 Molten salt synthesis of modified lead zirconate titanate solid solution powder |
05/01/1979 | US4152178 Sintered rare earth-iron Laves phase magnetostrictive alloy product and preparation thereof |
04/24/1979 | US4151432 High density, mechanical strength, electrical resistance |
04/24/1979 | US4151423 Flowing saline water magnetohydrodynamic electric generator |
04/24/1979 | US4151324 Piezoelectric crystalline films and method of preparing the same |
04/24/1979 | US4150981 And boron |
04/24/1979 | CA1053320A1 Trigger device for an electronic flash unit |
04/10/1979 | US4148853 Process for the manufacture of a capacitor dielectric with inner blocking layers |
04/10/1979 | US4148530 Cut angles for piezoelectric quartz crystal elements |
04/03/1979 | US4147911 Adding electro-conductive particles to dielectric particles and heating in microwave oven |
03/27/1979 | US4146808 Thinned withdrawal weighted surface acoustic wave interdigital transducers |
03/20/1979 | US4145627 Crimped seal piezoelectric resonator package |
03/13/1979 | US4144117 Method for producing a lithium tantalate single crystal |
03/06/1979 | US4143343 Acoustic surface wave interaction device |
02/27/1979 | US4142124 Piezoelectric crystalline ZnO with 0.01 to 20.0 atomic % Mn |
02/21/1979 | EP0000811A1 Camera having an automatic control mechanism and piezoelectric energy conversion means |
02/20/1979 | US4140936 Square and rectangular electroacoustic bender bar transducer |
02/13/1979 | US4139792 High voltage generating device |
02/13/1979 | US4139678 Piezoelectric crystalline films and method of preparing the same |
01/30/1979 | US4137475 Thin film, thermoplastic piezoelectric switches |
01/30/1979 | US4136525 Dielectic refrigerator using orientable defect dipoles |
01/24/1979 | EP0000449A1 Improvements in or relating to piezoelectric materials and to methods for producing such materials. |
01/23/1979 | US4136297 Four corner piezoelectric crystal support |
01/23/1979 | US4135963 Lithium tantalate single crystal growth from a platinum-rhodium crucible in an inert gas, nitrogen or reducing gas atmosphere |