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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10/21/1999 | DE19853324A1 Horizontal driving gear with linear actuators |
10/21/1999 | DE19817482A1 Thick ferroelectric ceramic layers, useful as actuators, sensors, capacitors, vibrators or storage elements, or for ferroelectric printing processes |
10/21/1999 | DE19817038A1 Piezomotor Piezomotor |
10/21/1999 | DE19814697C1 Piezoelectric actuator, especially multilayer ceramic piezo-actuator used as positioning device, ultrasonic emitter, valve controller or sensor |
10/20/1999 | EP0951078A1 Piezomotor |
10/20/1999 | EP0950889A1 A piezoelectric sensor device and a method for detecting change in electric constants using the device |
10/19/1999 | US5969954 AC/DC converter with a piezoelectric transformer |
10/19/1999 | US5969465 Adjusting operating characteristics of micromachined torsional oscillators |
10/19/1999 | US5969464 Drive device using electromechanical transducer and an apparatus employing the drive device |
10/19/1999 | US5969462 Extensional mode piezoelectric crystal resonator with split electrodes and transformer driving circuit |
10/19/1999 | US5969236 Particle sensor |
10/19/1999 | US5966787 Piezoelectric actuator, |
10/14/1999 | WO1999052158A1 Pulse frequency modulation drive circuit for piezoelectric transformer |
10/14/1999 | WO1999013681B1 Aerogels, piezoelectric devices, and uses therefor |
10/14/1999 | DE19916380A1 New piezoelectric ceramic with a high electromechanical coupling coefficient especially for producing a monolithic piezoelectric element |
10/13/1999 | EP0949693A1 Piezoelectric/electrostrictive element |
10/13/1999 | EP0948821A1 Method for tuning thin film fbars |
10/13/1999 | CN2343679Y 压电式陶瓷升压器 Piezoelectric ceramics booster |
10/13/1999 | CN1045668C Standing wave type piezoelectric motor with position detector and stator making method |
10/12/1999 | USRE36337 Ultrasonic motor |
10/12/1999 | US5965970 Diaphragm structure |
10/12/1999 | US5965804 Knock sensor |
10/12/1999 | US5965219 Misted deposition method with applied UV radiation |
10/12/1999 | US5965057 Composite oxide of zirconium and titanium, in which an oxide of manganese exists in a grain boundary layer at a density higher than that in a crystal grain of said piezoelectric ceramic, and in which a lead glass phase exists in boundary |
10/07/1999 | DE19814594A1 Charging and discharging piezoelectric element to desired voltage |
10/06/1999 | EP0948062A2 Product of non linear piezoelectric material, and method to determine the distribution of characteristic moduls in such a product |
10/06/1999 | EP0947004A1 Rotary piezoelectric motor for vehicle applications |
10/06/1999 | EP0947003A2 Piezoelectric or electrostrictive inertia drive for displacing or positioning in particular heavy objects |
10/06/1999 | EP0947002A1 Piezo-electric driving or adjusting element |
10/06/1999 | EP0947001A1 Method and device for controlling at least one capacitive actuator |
10/06/1999 | EP0947000A1 Method and device for controlling at least one capacitive actuator |
10/06/1999 | EP0946999A1 Method and device for activating a capacitive actuator |
10/06/1999 | EP0946998A1 Device and process for controlling of at least one capacitative actuator |
10/05/1999 | US5963114 Surface-acoustic-wave device having an improved pass-band characteristic and an improved degree of freedom for setting input and output impedances |
10/05/1999 | US5962956 Piezoelectric resonator and electronic component containing same |
10/05/1999 | US5962955 Piezoelectric device and method for fabricating the same, and ink jet printer head and method for fabricating the same |
10/05/1999 | US5962954 Piezo-electric transformer |
10/05/1999 | US5962953 Piezoelectric transformer with monitor electrodes for sensing unbalanced vibration of the transformer |
10/05/1999 | US5962085 Misted precursor deposition apparatus and method with improved mist and mist flow |
09/30/1999 | WO1999049092A1 Iron-based magnetic shape memory alloy and method of preparing the same |
09/30/1999 | DE19824916C1 Fuel injection valve for i.c. engine fuel injection system e.g. for automobile |
09/30/1999 | DE19814018A1 Ceramic-polymer, ceramic-ceramic or ceramic-metal composite, e.g. a piezoceramic-polymer composite for an ultrasonic transducer |
09/30/1999 | DE19812981A1 Electromechanical arrangement producing linear movement e.g. for gravure in printing industry |
09/30/1999 | DE19812786A1 Electromechanical arrangement for producing linear movement e.g. for gravure printing |
09/30/1999 | CA2325474A1 Iron-based magnetic shape memory alloy and method of preparing the same |
09/29/1999 | EP0945732A2 A method for optimizing the drive of a piezoelectric actuator, in particular for phacoemulsifier devices, by dynamic detection of its electromechanical characteristics and device based thereupon |
09/29/1999 | EP0945413A1 Zirconia ceramic article |
09/29/1999 | EP0944925A1 Process and device for driving a capacitive actuator |
09/29/1999 | CN1230292A Piezoelectric transformer device |
09/29/1999 | CN1230291A Piezo electric actuator with new type of containing and method for prodn. thereof |
09/28/1999 | US5959505 Crystal oscillator for measuring crystal impedance of a crystal unit |
09/28/1999 | US5959391 Piezoelectric transformer |
09/28/1999 | US5958285 Sintered piezoelectric ceramic, piezoelectric ceramic device, monolithic piezoelectric ceramic device, and method for producing sintered piezoelectric ceramic |
09/28/1999 | US5958154 Comprising nickel-manganese-gallium alloy having austenitic crystal structure above phase transformation temperature and a martensitic twinned crystal structure below phase transformation temperature; magnetocrystalline anisotropy |
09/28/1999 | CA2128311C Process for the manufacture of pzt films |
09/23/1999 | WO1999048197A2 Piezoelectric difraction grating light steering device |
09/23/1999 | DE19802367C1 Mikrodosiervorrichtungsarray und Verfahren zum Betreiben desselben Microdosing and method of operating the same |
09/23/1999 | DE19742447C2 Wanderwellenmotor mit Temperaturmeßeinrichtung und Verfahren zur Temperaturmessung Travelling wave motor with temperature sensing means and method for temperature measurement |
09/22/1999 | EP0943903A1 Mass sensor and mass detection method |
09/22/1999 | EP0943159A1 Electrode edge wave patterns for piezoelectric resonator |
09/22/1999 | EP0868754B1 Magnetic materials |
09/21/1999 | US5955823 High power ultrasonic transducer |
09/21/1999 | US5955820 Ultrasonic motor |
09/21/1999 | US5955819 Standing-wave vibration motor |
09/21/1999 | US5954994 Piezoelectric ceramic composition |
09/21/1999 | US5954993 Combining a calcined ceramic powder of a piezoelectric main component comprising pb, zr, ti and o, and moo3, and firing said mixture |
09/16/1999 | WO1999046127A1 Droplet deposition apparatus and method of manufacture |
09/16/1999 | DE19810525A1 Capacitive actuator excitation method e.g. for four-cylinder internal combustion (IC) engine fuel injection valves |
09/16/1999 | DE19810321A1 Current and charge regulation method for capacitive load e.g. piezoactuator operating in kHz range |
09/16/1999 | CA2324290A1 Droplet deposition apparatus and method of manufacture |
09/15/1999 | EP0941434A1 Valve assembly |
09/15/1999 | CN1228876A Device and process for controlling at least one capacitative actuator |
09/15/1999 | CN1228875A Device and process for controlling at least one capacitative actuator |
09/15/1999 | CN1228874A Device and process for controlling of at least one capacitative actuator |
09/14/1999 | US5952766 Optical apparatus |
09/14/1999 | US5952059 Forming a piezoelectric layer with improved texture |
09/14/1999 | US5951908 Piezoelectrics and related devices from ceramics dispersed in polymers |
09/14/1999 | CA2088234C A vibration driven motor or actuator |
09/10/1999 | WO1999045631A2 Actuators and apparatus |
09/10/1999 | WO1999045601A2 Magnetostrictive stress sensor |
09/10/1999 | WO1999045600A2 Piezoelectric transformer |
09/10/1999 | WO1999045598A1 Piezoelectric device, ink-jet recording head, method fo manufacture, and printer |
09/08/1999 | EP0940863A2 Ultrasonic motor and electronic apparatus having an ultrasonic motor |
09/07/1999 | US5949179 Piezoelectric transformer and power supply including the same |
09/07/1999 | US5949178 Vibration wave driving apparatus and a vibration member, and manufacturing method of the apparatus and the member |
09/07/1999 | US5949177 Linear piezoelectric motor employing internal feedback |
09/07/1999 | US5948652 Method of manufacturing a piezosensitive material or a magnetic material |
09/07/1999 | US5946969 Lever displacement enlarging mechanism |
09/02/1999 | WO1999044282A1 Device for controlling ultrasonic motor |
09/02/1999 | WO1999044281A1 Method of driving ultrasonic motor |
09/02/1999 | WO1999044280A1 Ultrasonic motor |
09/02/1999 | WO1999044279A1 Ultrasonic motor |
09/02/1999 | DE19906836A1 Piezoelectric ceramic composition for piezoelectric ceramic filters and oscillators |
09/02/1999 | DE19906835A1 New piezoelectric ceramic composition useful for piezoelectric ceramic filters and oscillators |
09/02/1999 | DE19904858A1 Piezoelectric actuator for ink jet print head, facsimile machines and copiers |
09/02/1999 | DE19807903A1 Force transmission device e.g. for engine common rail fuel injection system |
09/01/1999 | EP0938753A1 Piezoelectric actuator with an electrical connection |
09/01/1999 | EP0819048A4 Method for making a thin layer composite unimorph ferroelectric driver and sensor |
09/01/1999 | CN1227200A Piezoelectric ceramics and piezoelectric device |
08/31/1999 | US5945771 Vibration wave driven motor and a printing apparatus |