Images List Premium Download Classic

Piezoelectric

Piezoelectric-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


loading
Narrow directional microphone
Kabushiki Kaisha Audio-technica
June 15, 2017 - N°20170171680

A narrow directional microphone includes a unit case having a front end portion to which a microphone unit is mounted, and a side surface functioning as a grip, an acoustic tube formed of resin material in a tubular shape, covering the microphone unit, and attached to the front end portion of the unit case such that the microphone unit is ...
Piezoelectric thin film resonator, filter, and duplexer
Taiyo Yuden Co., Ltd.
June 15, 2017 - N°20170170809

A piezoelectric thin film resonator includes: a piezoelectric film located on a substrate, and formed of stacked lower and upper piezoelectric films; lower and upper electrodes facing each other across at least a part of the piezoelectric film; and an insertion film inserted between the lower and upper piezoelectric films, wherein an air gap including a resonance region where the ...
Acoustic wave resonator, filter, and duplexer
Taiyo Yuden Co., Ltd.
June 15, 2017 - N°20170170808

An acoustic wave resonator includes: a piezoelectric substrate; and an idt located on the piezoelectric substrate and including a pair of comb-shaped electrodes facing each other, each of the pair of comb-shaped electrodes including a grating electrode exciting an acoustic wave and a bus bar to which the grating electrode is connected, wherein an anisotropy coefficient in a cross region ...
Piezoelectric Patent Pack
Download 1064+ patent application PDFs
Piezoelectric Patent Applications
Download 1064+ Piezoelectric-related PDFs
For professional research & prior art discovery
inventor
  • 1064+ full patent PDF documents of Piezoelectric-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Resonator and related manufacturing method
Semiconductor Manufacturing International (beijing) Corporation
June 15, 2017 - N°20170170806

A resonator may include a first dielectric member, a second dielectric member, a composite member, a first sealer, and a second sealer. The first dielectric member may have a first cavity. The second dielectric member may have a second cavity. The composite member may include a piezoelectric layer and may be positioned between the first cavity and the second cavity. ...
Piezoelectric resonator for ultrasonic transducer and manufacturing method thereof
Nihon Dempa Kogyo Co., Ltd.
June 15, 2017 - N°20170170804

A piezoelectric resonator for an ultrasonic transducer includes a piezoelectric vibrating body, a signal electrode, a ground electrode, multiple bottomed groove portions, and a ground common electrode. The piezoelectric vibrating body is constituted of a piezoelectric ceramics. Multiple bottomed groove portions are formed to expose the principal surface of the piezoelectric vibrating body in a slice direction along a scanning ...
Nano- and microelectromechanical resonators
Northeastern University
June 15, 2017 - N°20170170803

A resonator includes a piezoelectric plate and interdigitated electrode(s). The interdigitated electrode includes a plurality of conductive strips disposed over a top surface of the piezoelectric plate. A two-dimensional mode of mechanical vibration is excited in a cross sectional plane of the piezoelectric plate in response to an alternating voltage applied through the interdigitated electrode. The two-dimensional mode of ...
Piezoelectric Patent Pack
Download 1064+ patent application PDFs
Piezoelectric Patent Applications
Download 1064+ Piezoelectric-related PDFs
For professional research & prior art discovery
inventor
  • 1064+ full patent PDF documents of Piezoelectric-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Methods of reducing electric loss in elastic wave elements
Skyworks Filter Solutions Japan Co., Ltd.
June 15, 2017 - N°20170170797

Methods and apparatus for reducing electric loss in an elastic wave element. In one example such a method includes forming an idt electrode on a piezoelectric body, and forming the connection wiring on the piezoelectric body and electrically connecting the connection wiring to the idt electrode. Forming the connection wiring includes sequentially forming a lower connection wiring on an upper ...
Oscillation circuit and oscillation-circuit driving method
Murata Manufacturing Co., Ltd.
June 15, 2017 - N°20170170786

An oscillation circuits that provides stable oscillations even when the amount of phase rotation of a piezoelectric resonator is small or fluctuates. The oscillation circuit includes a first amplifier having an input and an output, and a piezoelectric resonator connected between the input and the output of the first amplifier. Moreover, the oscillation circuit feeds, back to the input, a ...
Piezoelectric energy harvesting apparatus
Tainan Hydraulics Laboratory, National Cheng Kung University
June 15, 2017 - N°20170170751

A piezoelectric energy harvesting apparatus includes a housing and a piezoelectric module disposed in the housing. The piezoelectric module includes a piezoelectric wafer unit and a clamp unit clamping the piezoelectric wafer unit. A resilient member is connected between the clamp unit and an inner wall of the housing to transmit an oscillation movement to the clamp unit, which in ...
Composite substrate and thickness-tendency estimating method for piezoelectric substrate
Ngk Insulators, Ltd.
June 15, 2017 - N°20170170385

A composite substrate according to the present invention includes a support substrate having a diameter of 2 inches or more, and a piezoelectric substrate having a thickness of 20 μm or less and bonded to the support substrate to transmit light. The piezoelectric substrate has a thickness distribution shaped like a fringe. A waveform having an amplitude within a range ...
Curved piezoelectric transducers and methods of making and using the same
Masdar Institute Of Science And Technology
June 15, 2017 - N°20170170383

Curved piezoelectric transducers are provided. The curved piezoelectric transducer includes a substrate, a curved support layer having a peripheral portion in contact with the substrate, and a curved piezoelectric element disposed on the curved support layer. Methods of making the curved piezoelectric transducers are also provided. The curved piezoelectric transducers, devices and methods find use in a variety of applications, ...
Electric energy harvester for display panel
Research & Business Foundation Sungkyunkwan University
June 15, 2017 - N°20170170351

There is provided an electrical-energy harvester for a display panel, the harvester comprising: a transparent and flexible lower electrode; a transparent and flexible piezoelectric layer on the lower electrode; reflective particles dispersed in the piezoelectric layer for reflecting light beams incident into the piezoelectric layer; a transparent and flexible upper electrode on the piezoelectric layer, wherein the upper and lower ...
Piezoelectric and logic integrated delay line memory
Cornell University
June 15, 2017 - N°20170169899

Delay line memory device, systems and methods are disclosed. In one aspect, a delay line memory device includes a substrate; an electronic unit disposed on the substrate and operable to receive, amplify, and/or synchronize data signals into a bit stream to be transmitted as acoustic pulses carrying data stored in the delay line memory device; a first and a ...
Piezoelectric Patent Pack
Download 1064+ patent application PDFs
Piezoelectric Patent Applications
Download 1064+ Piezoelectric-related PDFs
For professional research & prior art discovery
inventor
  • 1064+ full patent PDF documents of Piezoelectric-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Touch sensitive device casing
Microsoft Technology Licensing, Llc
June 15, 2017 - N°20170168601

A device is disclosed, comprising: at least one surface of a device casing, at least one acoustic discontinuity on the at least one surface configured to reflect an ultrasonic acoustic signal, at least one piezoelectric transducer coupled to the at least one surface, configured to induce the ultrasonic acoustic signal in the at least one surface and receive a reflected ...
Wafer level camera module
Samsung Electronics Co., Ltd.
June 15, 2017 - N°20170168265

A wafer level camera module includes an image sensor including an imaging region formed on a top surface thereof, a first support layer disposed on the image sensor and having an opening, and first and second zooming units sequentially stacked having a second support layer interposed therebetween. Each zooming unit includes a piezoelectric thin film disposed on the first support ...
Preloaded spring for use with a piezoelectric fuel injector
Ecomotors, Inc.
June 15, 2017 - N°20170167457

A: piezoelectric fuel injector spring assembly and an assembly method for assembling such a piezoelectric fuel injector spring assembly. The assembly has a piezoelectric element (204}, a first spring {212), and a second spring (210). The first spring (212) biases the second spring (210) by expanding the second spring {210}, and the second spring {210} is further expanded when the piezoelectric element (204) expands. For the assembly, the ...
Ultrasonic probe
Toshiba Medical Systems Corporation
June 15, 2017 - N°20170165716

According to one embodiment, an ultrasonic probe, in which a plurality of piezoelectric vibrators are arrayed in both of an azimuth direction and an elevation direction, includes a piezoelectric body configured to have a piezoelectric effect; and a matching layer configured to be laminated in an ultrasonic radiation direction of the piezoelectric body. The matching layer is divided in the ...
Liquid ejection control apparatus, liquid ejection system, and control method
Seiko Epson Corporation
June 15, 2017 - N°20170164967

In a liquid ejection control apparatus, an operation unit includes an adjustment lever that is used to input an indication value of momentum or kinetic energy related to a pulsed liquid jet ejected from a liquid ejection device. A control unit includes a frequency setting portion that sets a rising frequency of a drive voltage waveform applied to a piezoelectric ...
Suspension board with circuit and producing method thereof
Nitto Denko Corporation
June 08, 2017 - N°20170164470

A suspension board with circuit includes a metal supporting board, a conductor layer having a terminal capable of being electrically connected to the piezoelectric element and disposed above the metal supporting board at spaced intervals thereto, a first insulating layer disposed between the metal supporting board and the conductor layer so as to support the conductor layer, and a second ...
System for ultrasonic communication across curved metal surfaces
Drexel University
June 08, 2017 - N°20170163354

Ultrasonic through metal communication systems are an effective solution for transmitting data across a metal barrier when the structural integrity of the barrier cannot be compromised by physically penetrating it. Substantial improvements in through metal communication systems have been made in recent years, enabling high speed communications of up to 15 mbps, as well as power transmission up to 30 w across ...
Method of providing protective cavity and integrated passive components in wafer level chip scale package ...
Skyworks Solutions, Inc.
June 08, 2017 - N°20170163243

A wafer-level chip-scale package includes a body, a conductive via passing through the body, a contact bump formed at a lower portion of the body and in electrical connection with a lower end of the conductive via, a piezoelectric substrate directly bonded to an upper end of the conductive via, and a cavity defined between a portion of the body ...
Loading