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)
12/1986
12/16/1986US4630135 Video head position control
12/16/1986US4629928 Electrode terminal structure for a piezoelectric polymer
12/16/1986US4629926 Mounting for piezoelectric bender of fluid control device
12/16/1986US4629925 Piezoelectric coaxial cable
12/16/1986US4629039 Vehicle braking control apparatus
12/16/1986US4628573 Process for producing array-type ultrasonic probe
12/10/1986EP0204379A2 Production method for an air-tight component enclosure, in particular for a quartz resonator
12/10/1986EP0204184A1 Position detecting apparatus
12/09/1986US4628275 Efficient power amplifier for high capacitive devices
12/09/1986US4628223 Composite ceramic/polymer piezoelectric material
12/09/1986US4628222 Protection of saw devices comprising metallized regions on dielectric substrates
12/09/1986US4627138 Method of making piezoelectric/pyroelectric elements
12/03/1986CN85104273A Humidity sensor and the method of making
12/02/1986US4626730 Method and apparatus for active control of vibrations
12/02/1986US4626369 Lead zirconate titanate ceramics
12/02/1986CA1214838A1 Coupling circuit between high impedance piezoelectric signal source and utilizing circuit
11/1986
11/25/1986US4625139 Electro-pneumatic signal converter
11/25/1986US4625137 Piezoelectric actuator using bimorph element
11/25/1986US4624796 Piezoelectric filler and flexible piezoelectric composites
11/20/1986EP0201707A1 Autoresonant Piezoelectric transformer signal coupler
11/18/1986US4623814 Piezoelectric high-voltage generating device
11/18/1986US4623320 Flywheel controlled toy
11/18/1986US4623030 Piezoelectric ratio weighing device
11/11/1986US4622484 Piezoelectric relay with a piezoelectric longitudinal effect actuator
11/11/1986US4622483 Piezoelectric electromechanical translation apparatus and method
10/1986
10/28/1986US4620121 Piezoelectric apparatus for activating square plate resonator
10/22/1986EP0198233A1 Piezoelectrically actuated valve
10/22/1986EP0198183A2 Ultrasonic motor
10/21/1986US4617707 Alternating layers of ceramic and spacing layers; sintering
10/15/1986EP0197663A2 Methods of and apparatus for controlling a bimorph distortion detection device
10/08/1986EP0196839A2 Piezoelectric transducer and components therefor
10/07/1986US4615848 Pyroelectric and isotropic piezoelectric polymer blends
09/1986
09/24/1986EP0195479A2 Fine positioning device
09/24/1986EP0195278A2 Torque transducer and procedure for manufacturing a strip
09/24/1986CN85100703A Dense-porous-dense sandwich compound piezo-electric ceramics and uses technology for its manufature
09/23/1986US4613784 Transversely reinforced piezoelectric composites
09/23/1986US4613782 Actuator
09/17/1986EP0194900A2 Improvements relating to pyroelectric ceramics
09/17/1986EP0194532A2 Piezoelectric electromechanical translation apparatus and method
09/17/1986EP0194301A1 Stable path length control elements
09/17/1986CN85101594A No-lead electrostrictive material
09/16/1986US4612472 Remote controlled toy utilizing piezoelectric element
09/16/1986US4612145 Method for producing electret-containing devices
09/16/1986CA1211556A1 Circuit arrangement for generating an actuating signal for a piezo-electric element of a positioning device
09/12/1986WO1986005350A1 Ceramic body with ordered pores
09/09/1986US4611260 Method and device for polarizing ferroelectric materials
09/09/1986US4610426 Piezoceramic valve plate for a low-pressure injection valve and process for the production thereof
09/03/1986CN85104986A Electrical curer
09/02/1986US4609845 Stretched piezoelectric polymer coaxial cable
09/02/1986US4609843 Temperature compensated berlinite for surface acoustic wave devices
09/02/1986US4609402 Melts, hollow tube molds, inert gas
09/02/1986US4609275 Exposure control unit
09/02/1986CA1210842A1 Piezoelectric transducer with integral driver and sensor
09/02/1986CA1210800A1 Piezoelectrical control element
08/1986
08/27/1986CN85100710A Low qm piezoelectric ceramic material and its preparation method
08/26/1986US4608506 Temperature compensated drive for a piezoelectric displacement generator
08/19/1986US4607166 Means for locating an ultra-precision positioning of a table
08/19/1986US4606871 Method of making a film from pyroelectric and isotropic piezoelectric polymer blends
08/19/1986CA1209950A1 Polarizing of piezoelectric material
08/13/1986EP0191011A1 Electropneumatic signal converter
08/13/1986EP0190574A2 Multilayer thin film electrical devices free of adhesive
08/13/1986CN85100513A Bi-na-ba-tio3 series piezoelectric ceramic material for ultrasonic devices
08/13/1986CN85100507A Modified lead barium sodium niobate piezoeletric ceramic material
08/13/1986CN85100426A Na.k.bi-titanate series piezo-electric ceramics for ultrasonic transducer
08/12/1986US4605876 Piezoelectric ceramic energy trapping electronic device
08/12/1986CA1209369A1 Double resonating beam force transducer with reduced longitudinal pumping
08/06/1986EP0189520A1 Method of making an ultrasonic array antenna
08/06/1986EP0189419A1 Control means for precision control of valves
08/06/1986CN85100709A Surface acoustic wave (s.a.w.)-acoustic grating type radio frequency spectrum analyzer
08/06/1986CN85100051A Low temp. sintered piezeoelectric ceramics and its piezeoelectric transformer of monolithic structure
08/05/1986US4604544 Piezoelectric pressure indicator
07/1986
07/30/1986EP0188446A1 Piezoelectric polymer force transducer with an output circuit
07/23/1986EP0188045A1 Deformable chuck
07/22/1986US4601841 Piezoelect-icity lead, bismuth calcium titanate
07/22/1986US4601539 Lens moving device using piezoelectric material
07/22/1986CA1208269A1 Motor device utilizing ultrasonic oscillation
07/16/1986EP0187668A2 Ultrasonic transducer and method of manufacturing same
07/16/1986CN85100477A Treatment method for preventing ferroelectric ceramics device from crack during phase-converting
07/15/1986US4600855 Piezoelectric apparatus for measuring bodily fluid pressure within a conduit
07/15/1986US4600854 For attaining discrete radial displacements with respect to a frame
07/08/1986US4599591 Magnetostrictive transducer
07/03/1986WO1986003888A1 A rare earth flextensional transducer
07/02/1986EP0186534A1 Manufacturing method for a linear pressure sensor
07/02/1986EP0186311A2 Improvements in or relating to piezoelectric composites
06/1986
06/25/1986EP0185307A2 Improved piezoelectric ceramic switching devices and systems and method of making the same
06/25/1986EP0185306A2 Advanced piezoceramic power switching devices employing protective gastight enclosure and method of manufacture
06/24/1986CA1206588A1 Piezoelectric apodized ultrasound transducers
06/17/1986US4595864 Method of generating current pulses for operating a light-emitting diode and circuit arrangement for carrying out the method
06/17/1986US4595856 Piezoelectric fluidic power supply
06/17/1986US4595854 Drive circuit for piezoelectric stack
06/17/1986US4595515 Vibration-isolating article
06/17/1986CA1206277A1 Piezoelectric and pyroelectric tubes
06/17/1986CA1206193A1 Multilayer electrostrictive element which withstands repeated application of pulses
06/11/1986EP0184116A2 Piezoceramic material
06/10/1986USRE32180 Composite sheets constituting electromechanical transducers and transducers equipped with such sheets
06/10/1986US4594526 Bimorph electromechanical transducer and control circuit device therefor
06/10/1986US4593956 Long tube bender element squeeze bearing
06/03/1986US4592880 Biaxial stretching thermoplastic film and ferroelectric particle blend
05/1986
05/27/1986US4591465 Method of producing polymeric electret element
05/21/1986EP0181538A2 Glow discharge stabilization of piezoelectric polymer film