摘要:
Some embodiments are directed to a piezoelectric sensor, including a body with a central cavity; and a membrane extending over the cavity, which membrane is fastened to the body via its periphery and includes a carrier layer made of polymer and a sensitive layer made of piezoelectric polymer, the membrane being able to deform or vibrate. The sensitive layer is made of a material including a polymer filled with inorganic nanomaterials. Instrument including such a sensor.
摘要:
The various embodiments described herein include methods, devices, and systems for fabricating and operating superconducting switch devices. In one aspect, an electrical circuit includes: (1) a switch device configured to switch between an on state and an off state in response to a first voltage, the switch device comprising: (a) a superconductor layer adapted to transition from a superconducting state to an insulating state in response to a first strain; and (b) a piezoelectric layer positioned adjacent to the superconductor layer, the piezoelectric layer configured to apply the first strain to the superconductor layer in response to the first voltage; (2) a voltage source electrically coupled to the piezoelectric layer of the switch device and configured to supply the first voltage; and (3) an output component coupled to the superconductor layer of the switch device.
摘要:
The present invention provides an electromagnetic conversion device, comprising: an intermediate layer and electrode layers located on both sides of the intermediate layer, wherein the intermediate layer is a magnetoelectric layer. The electromagnetic conversion device realizes the direct conversion of charge and magnetic flux, and thus can be used as a fourth fundamental circuit element, so as to provide a new degree of freedom for the design of electronic circuits and information function devices. In addition, the electromagnetic conversion device can be used as memory elements to form a nonvolatile magnetoelectric information memory.
摘要:
Disclosed is a graphene-based terahertz device that includes a top graphene layer, a bottom graphene layer, and a middle layer disposed between the top graphene layer and the bottom graphene layer. The middle layer is a liquid crystal layer, a piezocrystal layer, an ionic liquid layer, or an ion gel layer. Also disclosed are methods of preparing different embodiments of the above-described graphene-based terahertz device.
摘要:
A semiconductor device includes a piezoelectric layer interposed between a first metal layer and a hardmask layer. A first trench extends through the hardmask layer, the piezoelectric layer and the first metal layer. A self-limiting second trench extends through the hardmask layer and the piezoelectric layer without reaching the first metal layer.
摘要:
A physical quantity sensor includes an IC chip and a package base mounted with the IC chip. The package base includes a first wiring layer provided with bonding pads connected to the IC chip via a bonding wire, a second wiring layer overlapping the first wiring layer in plan view, and an insulating layer provided between the first wiring layer and the second wiring layer. A contour of a wiring pattern provided on the second wiring layer (of the second wiring layer) is arranged in a position not overlapping the bonding pads in plan view.
摘要:
A piezoelectric vibrating device comprises a metallic containing member, a piezoelectric member and a heat dissipating and conducting member. The piezoelectric member is provided within the metallic containing member, and the heat dissipating and conducting member includes a plurality of the heat dissipating and conducting fins. Each the heat dissipating and conducting fin has a first heat conduction connecting end and a second heat conduction connecting end, wherein the first heat conduction connecting end is provided on an external surface of the piezoelectric member, and the second heat conduction connecting end is connected with an inner wall surface of the metallic containing member. The piezoelectric member generates vibrations with specific polarization directions based on a piezoelectric controlling signal, and the heat energy generated from the vibration of the piezoelectric member is conducted to the external wall surface of the metallic containing member through the heat dissipating and conducting member.
摘要:
The purpose of the present invention is to provide an angular velocity sensor capable of measuring an exact angular velocity, an ink jet head capable of producing an exact amount of ink, and a piezoelectric generating element capable of generating electric power due to positive piezoelectric effect.In the present invention, a piezoelectric film comprising a first electrode, a piezoelectric layer, and a second electrode is used. The first electrode comprises an electrode layer having a (001) orientation. The piezoelectric layer comprises a (NaxBiy)TiO0.5x+1.5y+2—BaTiO3 layer (0.30≦x≦0.46 and 0.51≦y≦0.62) having a (001) orientation.
摘要:
A piezoelectric device has a plate-shaped substrate, a first frame defining a first concave portion at one surface of the substrate, a second frame defining a second concave portion at the other surface of the substrate, a first electrode member provided at one surface of the substrate, a second electrode member provided at the other surface of the substrate, a piezoelectric unit in which a first electrode section of the piezoelectric vibration plate is fixed to the first electrode member by a conductive binder, a cover sealing the first concave portion, and a temperature detection unit in which a second electrode section of the thermistor element is fixed to the second electrode member by a conductive joining material.