Patents
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)
06/2001
06/21/2001CA2394476A1 Self-powered remote control device, electrical apparatus and installation comprising same
06/21/2001CA2327734A1 Ultra-thin piezoelectric resonator
06/20/2001EP1109304A1 Driving circuit for a piezoelectric motor
06/20/2001EP1109233A1 Hook-shaped piezoelectric actuator
06/20/2001EP1109232A1 Piezo-electrostatic step actuator
06/20/2001EP1108224A2 Method and system for measuring the distance from a piezoelectric element
06/20/2001EP1108137A1 Fuel injection valve
06/20/2001EP0616723B1 Process for fabricating layered superlattice materials
06/20/2001CN1300447A Drive deivce
06/20/2001CN1300106A Analogue wavelet converting device
06/20/2001CN1300087A Stepdown piezoelectric ceramic autotransformer and its making process
06/20/2001CN1067361C Composition of temp. stabilized type high dielectric multi-layer ceramic capacitor material and preparation process thereof
06/19/2001US6249194 Composite filter comprising LC and saw filters and radio communication apparatus using the filter
06/19/2001US6249093 Drive mechanism employing electromechanical transducer, photographing lens with the drive mechanism, and its drive circuit
06/19/2001US6249074 Piezoelectric resonator using sacrificial layer and method of tuning same
06/19/2001US6249064 Magneto-striction microactuator
06/19/2001US6248394 Process for fabricating device comprising lead zirconate titanate
06/19/2001US6248254 Piezoelectric ceramic composition and piezoelectric ceramic device using the same
06/19/2001US6247799 Ferroelectric element, process for producing the same, and ink jet head
06/14/2001WO2001030875A9 Electrostrictive graft elastomers
06/14/2001US20010003681 Suspension of ferroelectric particles such as lead zirconate titanate (PZT), polar solvent such as ethanol and the phosphate additive which acts as electrostatic charging agent, dispersant, and binding agent; green film uniformity
06/13/2001EP1107326A1 Laminated piezoelectric transducer
06/13/2001EP1107325A2 Multilayer piezoelectric element and method of producing the same
06/13/2001EP1106708A2 Two step AIN-PVD for improved film properties
06/13/2001EP1106387A2 Marking apparatus with oscillation control system
06/13/2001EP0838095B1 A method for producing motion and force by controlling the twin structure orientation of a material and its uses
06/13/2001DE19952943A1 Nadelkarten-Justageeinrichtung zur Planarisierung von Nadelsätzen einer Nadelkarte Probe card adjusting device for planarization of needle sets a probe card
06/13/2001DE10059688A1 Substrat für das Packaging eines elektronischen Bauelements und piezoelektrisches Resonanzbauelement unter Verwendung desselben Of the same substrate for packaging an electronic component and a piezoelectric resonance device using
06/13/2001CN1299442A Tubular ultrasonic transducer
06/13/2001CN1299319A Droplet deposition apparatus and method of mfg. same
06/13/2001CN1299181A Standing wave type self-correcting ultrasonic motor
06/13/2001CN1299153A Multi-layer piezoelectric elements and its mag. method
06/12/2001US6246159 Piezosensitive device comprising pyrophosphate material and method of making device
06/12/2001US6246157 Push-pull high force piezoelectric linear motor
06/12/2001US6246156 Piezoelectric/electrostrictive element
06/12/2001US6246155 Bimorph piezoelectric device for acceleration sensor and method of its manufacture
06/12/2001US6246153 Positive feedback resonant transducer circuit
06/12/2001US6246152 Driver circuit for controlling a piezoelectric actuator in charge mode
06/12/2001US6246151 Drive device and apparatus incorporating the device
06/12/2001US6246132 Magnetostrictive actuator
06/12/2001US6246013 Surface mounting structure and surface mount type electronic component included therein
06/12/2001US6245172 Method and apparatus for manufacturing multi-layered high deformation piezoelectric actuators and sensors
06/07/2001WO2001041251A1 Tunable high temperature superconducting filter
06/07/2001WO2001041228A1 Piezoelectric drive
06/07/2001WO2001040850A1 Liquid crystal elastomer films and method of production thereof
06/07/2001US20010002807 Substrate for packaging electronic component and piezoelectric resonance component using the same
06/07/2001US20010002778 Bimorph piezoelectric device for acceleration sensor and method of its manufacture
06/07/2001DE19958406A1 Controlling regulator unit with capacitive element, especially of piezo actuators for controlling fuel injection in IC engines, invovles determining value of ohmic resistance to determine characteristic or temperature of capacitive element
06/07/2001DE19954020A1 Verfahren zur Herstellung eines piezoelektrischen Wandlers A process for producing a piezoelectric transducer
06/07/2001DE19952950A1 Ansteuereinheit für ein kapazitives Stellglied Control unit for a capacitive actuator
06/07/2001DE10045847A1 Cavitation sensor, for cleaning or sterilization units, has ultrasound-absorbing coating arranged about piezoelectric element and pipeline, which limits area closed by piezoelectric element
06/07/2001DE10024823A1 New piezoelectric ceramic material, especially for narrow band filters, comprises a lead-strontium zirconate-titanate-manganate-nio bate main component and silica and alumina subsidiary components
06/07/2001DE10017331C1 Multi-layer piezoelectric actuator e.g. for automobile, aircraft or spacecraft, has inner electrodes within piezoceramic layer stack coupled to outer electrodes via electrically conductive powder layer
06/07/2001CA2385441A1 Tunable high temperature superconducting filter
06/06/2001EP1104940A1 Solid state actuator, in particular piezoelectric actuator
06/05/2001US6242850 Piezoelectric motor and a disk drive using same
06/05/2001US6242849 Piezoelectric step motor
06/05/2001US6242846 Vibration actuator to control pitching vibration
06/05/2001US6242845 Electronic driving circuit for a bistable actuator
06/05/2001US6241908 Piezoelectric ceramics
06/05/2001US6241821 Fabricating semiconductor structure via forming amorphous silicon dioxide on surface of silicon substrate, providing alkaline earth metal (barium, strontium) on amorphous silicon dioxide, then heating to form interface
06/05/2001US6240786 Two-layer structure composite material for detecting cracks
05/2001
05/31/2001WO2001039544A1 Electromechanic film and acoustic element
05/31/2001WO2001039284A1 Piezoelectric downhole strain sensor and power generator
05/31/2001WO2001038076A1 Low cost polyvinylidene fluoride copolymers and methods of manufacture thereof
05/31/2001DE19951310A1 Piezoceramic transformer e.g. for circuit for driving fluorescent lamps, has rectangular piezoceramic plate operating in lambda mode, central driver section, two generator sections at ends, and internal and external electrodes
05/31/2001DE19951016A1 Piezoelektrischer Keramikkörper Piezoelectric ceramic body
05/31/2001DE19936732C2 Längenveränderliches stabförmiges Element mit Piezoaktuator Of variable length rod-shaped member having piezoelectric actuator
05/30/2001EP1104085A2 Driving circuit for ultrasonic rotary motor
05/30/2001EP1104034A1 Roof-shaped piezoelectric actuator
05/30/2001EP1103078A1 Offset arrangement of electrodes on a piezoelectric transducer
05/30/2001EP1103069A1 Misted precursor deposition apparatus and method with improved mist and mist flow
05/30/2001CN1297584A Method of mfg. semiconductor device, semiconductor device, narrow pitch connector, electrostatic actuator, ink jet head, ink-jet printer, micromachine, liquid crystal panel, and electronic device
05/30/2001CN1297583A Piezoelectric bending transducer and module made of plurality of piezoelectric bending transducers
05/30/2001CN1297513A Fuel injection valve
05/29/2001US6239724 System and method for telemetrically providing intrabody spatial position
05/29/2001US6239558 System for driving a cold-cathode fluorescent lamp connected to a piezoelectric transformer
05/29/2001US6239534 Piezoelectric/electrostrictive device
05/29/2001US6239533 Piezoelectric linear step motor and variants
05/29/2001US6238481 Adhering piezoelectric perovskite single crystal on a backing material, dicing the single crystal into an arrayed transducer, poling the transducer in an electric field
05/29/2001US6237398 System and method for monitoring pressure, flow and constriction parameters of plumbing and blood vessels
05/25/2001WO2001037417A1 Piezoelectric generating apparatus
05/25/2001WO2000040506A8 Solid-state material
05/25/2001CA2391142A1 Piezoelectric generating apparatus
05/23/2001EP0914563B1 Piezo-electric operated microvalve
05/23/2001DE19949912A1 Device for transmitting force e.g. for valve or pump, uses driving mechanism for generating force to seal larger opening with smaller opening serving as force-decoupling window
05/23/2001DE19949738A1 Verfahren zur Herstellung von Oberflächenwellensensoren und Oberflächenwellensensor A process for producing surface wave sensors, and surface acoustic wave sensor
05/23/2001DE19946965A1 Noise-damped actuator unit with a piezoelement comprises a housing which incorporates at least one section whose outer layer consists of a material with vibration damping properties
05/23/2001CN1296727A Circuit arrangement
05/23/2001CN1296644A Piezoelectric actuator
05/23/2001CN1296337A Method for adjusting frequency of piezoelectric resonator
05/22/2001US6236490 Dual stage deformable mirror
05/22/2001US6236190 Method and device for driving a capacitive actuator
05/22/2001US6236146 Piezoelectric actuator with a new type of contacting and a method for the production thereof
05/22/2001US6236143 Transfer having a coupling coefficient higher than its active material
05/22/2001US6233801 Process of making an acceleration detecting element
05/17/2001WO2001035470A1 Combined piezoelectric silent alarm/battery charger
05/17/2001WO2001035468A2 Method for producing a piezoelectric transducer
05/17/2001DE19955722A1 Press button switch with energy generation converts mechanical energy required to operate switch into electrical energy, e.g. using piezoelectric method or small generators
05/17/2001DE19952946A1 Elektromechanischer Motor Electromechanical motor