58results about How to "Electric field strength" patented technology

An insulated-gate semiconductor device includes: an n+-type current spreading layer disposed on an n−-type drift layer; a p-type base region disposed on the current spreading layer; a n+-type main-electrode region arranged in an upper portion of the base region; an insulated-gate electrode structure provided in a trench; and a p+-type gate-bottom protection-region being in contact with a bottom of the trench, including a plurality of openings through which a part of the current spreading layer penetrates, being selectively buried in the current spreading layer, wherein positions of the openings cut on both sides of a central line of the trench are shifted from each other about the central line in a longitudinal direction of the trench in a planar pattern.

The invention discloses an organic / gallium nitride heterogeneous p-n junction ultraviolet light detector and a preparing method thereof. The detector comprises an organic / GaN heterogeneous p-n junction mainly formed by a GaN layer and an organic layer which are arranged in an overlapped way in a set direction, wherein a first electrode and a second electrode are respectively connected to the GaN layer and the organic layer. The preparing method comprises the following steps: after growing the GaN layer on a substrate by an extension growing technology, forming the first electrode on the GaN layer by a metal material, covering the organic layer on the GaN layer, and then arranging the second electrode on the organic layer. The ultraviolet light detector is made of a wide-band gap semiconductor material and an organic semiconductor material together and fully utilizes the advantages of the inorganic semiconductor material and the organic material. Meanwhile, the device is simple in preparing technology and easy to realize. The device performance can be greatly improved under the condition of effectively saving cost.

RF electric fields produced by electric potential differences in NMR probe coil windings may penetrate the NMR sample and sample tube causing sensitivity loss and noise in NMR spectroscopy. Counter-wound spiral coils placed on the opposite surfaces of a planar substrate or on two adjacent planar substrates produce electric potentials that minimize the electric field over the sample region, thereby increasing the sensitivity of the NMR probe. Alternatively counter-wound spiral coils placed adjacent to each other on the outer surface of two concentric cylindrical surfaces that surround the NMR sample minimize the electric field over the sample region. The electric potential of the spiral coils is reduced by adjusting a length of at least one coil.

The invention discloses a double-frequency broadband microwave sensor. The double-frequency broadband microwave sensor comprises a coplanar waveguide transmission line, and two combined nodules whichare of the same structure and loaded on an intermediate conduction band of the coplanar waveguide transmission line in series; each combined nodule is composed of a terminal-open-circuited coplanar waveguide and two terminal-short-circuited slot line nodules which are connected with the terminal-open-circuited coplanar waveguide in parallel; the two ends of the combined nodules are connected withtwo signal transmission gaps of the coplanar waveguide transmission line in series through first slot line gaps and second slot line gaps in sequence, and the two combined nodules which are of the same structure are provided with test zones for placing to-be-tested samples. The test device is simple in structure and high in sensitivity; the slot line gaps and the combined nodules on the sensor areprocessed with a traditional etching process, the price is low, the processing difficulty is low, batch production is facilitated, and online real-time double-frequency broadband detection can be achieved.

The invention provides a self-powered electrorheological elastomer damper which comprises an insulating shell, a pressing rod, an upper pressing plate, piezoelectric ceramic, a lower pressing plate, multiple electrode plates and electrorheological elastomers. A through hole is formed in the top of the insulating shell, the pressing rod penetrates the through hole, the upper pressing plate, the lower pressing plate, the electrode plates and the electrorheological elastomers are mounted in an inner cavity of the insulating shell, insulating paper is arranged between the pressing rod and the upper pressing plate, the piezoelectric ceramic is disposed between the upper pressing plate and the lower pressing plate, the electrode plates are disposed in the inner cavity of the insulating shell, insulating paper is arranged between the lower pressing plate and the electrode plates, one electrorheological elastomer is arranged between each two adjacent electrode plates, the upper pressing plate and the lower pressing plate are connected with the electrode plates through leads respectively, and the two electrode plates corresponding to a same electrorheological elastomer are connected with the upper pressing plate and the lower pressing plate respectively. The piezoelectric ceramic which is cylindrical is adopted for power generation, so that a strong electric field can be provided for the electrorheological elastomers, and self powering of the damper is realized; the self-powered electrorheological elastomer damper can adapt to vibrating environment better to realize vibration inhibiting.

The present disclosure provides a flow-through electroporation device configured for use in an automated multi-module cell processing environment and configured to decrease cell processing time and the risk of clogging.

The invention discloses a device for relieving the influence on high-speed aircraft reentry communication by space plasma. The device is located in a plasma layer of a high-speed aircraft. The device for relieving the influence on high-speed aircraft reentry communication by the space plasma comprises a strong magnet and an electrode pair. The strong magnet is arranged in the inner surface of the high-speed aircraft located in the same axial direction with an electromagnetic wave receiving and sending antenna, the electrode pair is composed of an anode and a cathode, the anode and the cathode are located on the portions, at the two sides of the electromagnetic wave receiving and sending antenna, of a surface layer of the high-speed aircraft. The composite environment of an electric field and a magnetic field is created on a physical layer in space around the electromagnetic wave receiving and sending antenna of the high-speed aircraft, and an electromagnetic relieving layer is formed on the plasma layer of the high-speed aircraft. The problem of transmission interruption of communication signals in the process that the high-speed aircraft reenters the atmosphere is solved and the safety and real-time performance of space communication and the stability of signal transmission are guaranteed.

The invention discloses a small-size sample dielectric property detection device based on micro-flow channel electric field enhancement. The small-size sample dielectric property detection device includes a vector network analyzer and a sensor, wherein the sensor is composed of a metal layer and a dielectric substrate which are arranged vertically, a coplanar waveguide transmission line is etchedon the metal layer, and the coplanar waveguide transmission line comprises two signal transmission gaps, a middle conduction band and a metal ground, and a test area composed of a rectangular capacitor and slot line branch nodes is loaded on the middle conduction band in series, the slot line branch nodes are vertically connected to the two sides of the rectangular capacitor, and the groove line branch node is vertically connected with the two signal transmission gaps. The testing device is simple in structure and high in sensitivity, the measuring area on the sensor, namely the rectangular capacitor and the groove line branch nodes at the two ends, is processed by adopting a traditional etching process, the cost is low, the processing difficulty is low, batch production is facilitated, and on-line real-time detection can be realized.

The invention provides a silicon controlled thyristor micro slot group composite phase change integrated cooling heat dissipation method and device, relating to the heat dissipation technology. The method includes that micro dimension composite phase change heat transfer characteristic of thin liquid film evaporation and thick liquid film boiling of liquid in open composite phase change micro slot group in a micro slot group composite phase change heat remover is utilized to remove heat. The device is provided with a micro slot group composite phase change heat remover at the two sides of single silicon controlled thyristor respectively, the silicon controlled thyristor removes heat in multiple groups, each group is provided with a wall type condenser heat dissipation structure, heat emitted by each silicon controlled thyristor can be taken out respectively and is carried into the wall type condenser by steam, condensation heat dissipation is carried out in condensation micro slot thereof, heat is taken away by external cooling water or air, condensed liquid reflows to the micro slot group composite phase change heat remover, and heat dissipation of silicon controlled thyristor with high power, large quantity and strong electric field is realized. The invention is safe and reliable, has small area, high heat-flow density, strong temperature control capability, high efficiency and low energy consumption and can be applicable to integrated cooling heat dissipation of a plurality of high power heat-emitting silicon controlled thyristors.

Disclosed is a charging device for charging the surface of a rotating image carrier. The charging device includes a shielding case having an opening at a location facing toward the image carrier, a corona electrode hung within the shielding case to extend in a direction perpendicular to the rotating direction of the image carrier, a control electrode disposed at a location of the opening. The shielding case as a pair of side plates opposed to each other in the rotating direction of the image carrier. At least one of the side plates has a portion that outwardly bulges at a location in the vicinity of the opening.

The present disclosure provides a flow-through electroporation device configured for use in an automated multi-module cell processing environment and configured to decrease cell processing time and the risk of clogging.

The invention discloses a dual-mode travelling-wave tube slow-wave structure comprising a coupling cavity. Electron beam channels are formed in the center of the inner wall of the coupling cavity. A projection is formed at the center of the inner wall of the coupling cavity, and the electronic beam channels are formed in the projection. The electronic beam channels include a projection center layer, a middle layer and an outer layer sequentially from the center of the projection to the edge of the projection, wherein the number of the electronic beam channels in the projection center layer, the middle layer and the outer layer increases sequentially. The three layers of electronic beam channels in the dual-mode travelling-wave tube slow-wave structure provide a high-power operating mode, the two layers of electronic beam channels in the projection center layer and the middle layer provide a low-power operating mode; the low-mode electronic beams are located in the center of the coupling cavity, the electric field is strong, and coupling impedance is large; a plurality of high-mode electronic beams are located at the edge of the coupling cavity, the electric field is small, and the coupling impedance is small. Therefore, when a travelling-wave tube operates in the high-power mode and the low-power mode, the difference of gain parameters C is small. A dual-mode slow-wave system is highly compatible and applicable to focusing of electronic beams by the same electric field.

The invention discloses a broadband dielectric constant measuring device. The broadband dielectric constant measuring device comprises a coplanar waveguide transmission line as well as two symmetricalstructures, namely a composite section I and a composite section II; the composite section I and the composite section II are connected in series and loaded on a conduction band in the middle of thecoplanar waveguide transmission line; the composite section I consists of a section with a triple structure; the section with the triple structure comprises a coplanar waveguide with one open terminaland two groove line sections with short-circuited terminals; the coplanar waveguide with one open terminal and the two groove line sections with short-circuited terminals are connected in parallel; atest area for placing a tested sample is arranged on the composite section I; and the composite section II consists of one right-angle bending type groove line gap. The test device provided by the invention is simple in structure and high in sensitivity and belongs to broadband measurement; and the composite section I and the composition section II on the measuring device are processed by the traditional etching process, so that the price is low, the processing difficulty is low, batch production is facilitated, and on-line and real-time broadband detection can be realized.

An optical modulator is provided with a stripe-shaped optical waveguide, which has an upper clad layer, a lower clad layer formed between the upper clad layer and a substrate, and an undoped core layer which is arranged between the upper clad layer and the lower clad layer and has a complex refractive index that changes corresponding to the intensity of an applied electric field, to a signal light propagating inside. On both sides of the stripe-shaped optical waveguide, conductor walls are configured by arranging a pair of parallel blocking flat boards with an insulating wall in between. Thus, the semiconductor optical modulator having a high optical modulation efficiency is provided.

The invention belongs to the field of structural and mechanical vibration isolation. For shock absorbing devices adopting intelligent materials, it is needed to apply external magnetic field or electric field excitation, it is needed to extra supply energy for shock absorbers, a corresponding control algorithm is designed, so that a vibration isolation system becomes complicated. The invention provides an electrorheological elastomer shock absorber with a self-coupling function. A plurality of power generating pull rods are installed between a shock absorbing pressing rod and the inner cavitytop surface of an upper shell, and an dielectric elastomer stack for power generation is on the upper portions of the power generating pull rods; flexible electrodes between dielectric elastomer thinpieces are in spaced connection with positive and negative electrode extraction electrodes; electrode pieces between electrorheological elastomer single bodies are in spaced connection with positive and negative electrodes of the dielectric elastomer stack; the shock absorbing pressing rod transmits vibration energy to the dielectric elastomer power generating pull rods and the dielectric elastomer stack therein is driven to undergo tension and compression deformation; the dielectric elastomer stack and an electrorheological elastomer laminated construction below the shock absorbing pressing rod are good in rigidity matching performance; and a strong electric field can be provided, and the self-coupling function is achieved.

A TFT, a method for manufacturing the TFT, and an array substrate are disclosed. In the TFT according to the present disclosure, the nano conductive points that are independent from one another are formed in a channel area of the active layer, so that the channel area of the active layer can be divided into a plurality of sub channels that are independent from one another, and an equivalent electric field strength thereof can be increased. The larger the equivalent electric field strength is, the higher the carrier mobility ratio would be, and the larger the saturation current of the TFT would become. Therefore, the TFT with a higher definition and a higher aperture ratio can be manufactured.

The invention discloses a composite cross arm, which comprises a cross arm insulator, two rows of horizontal cable-stayed insulators and one row of upper cable-stayed insulators. The two rows of horizontal cable-stayed insulators are on the same level as the cross-arm insulators and are located on both sides respectively. The two rows of horizontal cable-stayed insulators are V-shaped relative to each other, and one end of the V-shaped opening is connected to the composite pole tower. One end of the V-shaped apex is connected to the end of the cross-arm insulator away from the tower body. One end of the upper cable-stayed insulator is connected to the tower body, and the other end is connected to the end of the cross-arm insulator away from the tower body. The end of the cross-arm insulator away from the tower body is equipped with a main voltage equalizing ring, the end of the V-shaped apex of the two horizontal cable-stayed insulators is respectively equipped with two auxiliary voltage equalizing rings, and the end of the upper cable-stayed insulator away from the tower body is equipped with an auxiliary voltage equalizing ring. Equalizing ring. Each voltage equalizing ring is arranged at the end away from the tower body, and is respectively arranged on the cross-arm insulator, the two rows of horizontal cable-stayed insulators and the upper cable-stayed insulator, which can effectively even out the electric field.

The invention discloses an organic solid laser based on a metal nano core-shell structure-metal film plasma composite structure. The organic solid laser comprises a substrate, a metal film layer, a core-shell structure layer and a gain dielectric layer which are sequentially stacked. The metal film layer is a metal film capable of generating a non-local surface plasma effect SPP. A shell layer material in the core-shell structure layer is an isolation medium material, and a central core material is first metal nanoparticles capable of realizing a localized surface plasma effect LSPR. The shelllayer of the core-shell structure is ingeniously used as the isolation layer, the distance between the LSPR and the SPP is regulated and controlled by changing the thickness of the shell layer, coupling between the LSPR and the SPP is achieved, then a strong local electric field is generated, the structure is simpler, and the preparation method is simpler and more convenient.

The invention discloses a novel sound wave motor, which comprises a casing, wherein a stator assembly is arranged on the inner wall of the casing, a rotor assembly is arranged in the stator assembly,one side of the casing is connected with an end cover, the rotor assembly is rotatably connected with the end cover and the casing, the stator assembly comprises a stator iron core, coils and windingcores, the stator iron core is connected to the inner wall of the casing, the stator iron core is of a hollow cylinder structure, the three winding cores are arranged on the inner wall of the stator iron core at equal intervals, the coils are wound on the winding cores, and the three coils are connected in parallel. The invention further discloses an implementation method of the novel sound wave motor. According to the invention, the internal space of the casing is fully utilized, and the three coils are arranged in the casing and are connected in parallel, so that a strong electric field canbe generated when the coils are electrified so as to increase the torque; and the three magnetic steels are arranged on the rotor iron core, so that the driving magnetic field is enhanced so as to maximize the torque.

RF electric fields produced by electric potential differences in NMR probe coil windings may penetrate the NMR sample and sample tube causing sensitivity loss and noise in NMR spectroscopy. Counter-wound spiral coils placed on the opposite surfaces of a planar substrate or on two adjacent planar substrates produce electric potentials that minimize the electric field over the sample region, thereby increasing the sensitivity of the NMR probe. Alternatively counter-wound spiral coils placed adjacent to each other on the outer surface of two concentric cylindrical surfaces that surround the NMR sample minimize the electric field over the sample region. The electric potential of the spiral coils is reduced by adjusting a length of at least one coil.

The invention relates to a gate-grounded NMOS (GGNMOS) manufacturing method which includes the following steps. A P-shaped semi-conductor substrate is provided. A gate insulation layer and a grid electrode are sequentially formed on the semi-conductor substrate, source drain implantation is performed, an interlamination medium layer is formed, a through hole of a contact hole is formed in an etching mode and ESD ion filling is performed by using the formed through hole as a reticle mask. Compared with that ESD filling is performed before the contact hole is formed in manufacturing the GGNMOS, performing the ESD filling after the through hole of the contact hole is formed can not only reduce procedures of original technology, narrow down an ESD Implant zone in a drain electrode and reduce leakage, but also reduce grid leak parasitic capacitance caused by horizontal spreading and improve static protection characteristics of the GGNMOS.

The invention discloses a microwave sensor for measuring the biological sample dielectric property. The microwave sensor comprises a coplanar waveguide transmission line and multiple open-ended slot line stubs which are connected in series and loaded on a conduction band in the middle of the coplanar waveguide transmission line, the open-ended slot line stubs are used for gathering electric fieldsso as to improve the accuracy and sensitivity of detection, the open-ended slot line stubs are provided with test areas used for placing tested biological samples, and an input port and an output port of the coplanar waveguide transmission line are connected with a vector network analyzer through SMA connectors respectively. The testing device is simple in structure and high in sensitivity, the open-ended slot line stubs on the sensor are machined through a traditional etching process, the price is low, the machining difficulty is low, batch production is facilitated, and online real-time wide-band detection can be achieved.

The invention discloses a display panel, which comprises a first base plate, a second base plate, a spacer arranged between the first base plate and the second base plate, and display medium. The first base plate comprises a first substrate, a scanning line and a data line arranged on the first substrate, an active component electrically connected with the scanning line and the data line, a pixel electrode electrically connected with the active component, and a first shared electrode electrically insulated with the pixel electrode and configured with the pixel electrode in a staggering way. The second base plate comprises a second substrate, a second shared electrode arranged on the second substrate and configured corresponding to the first shared electrode of the first base plate, and a floating electrode electrically insulated with the second shared electrode and configured corresponding to the pixel electrode of the first base plate.

A biosensor of the present invention comprises a first microelectrode and a second microelectrode, each provided in the form of a hair comb and disposed in an alternating fashion on a substrate; and aplurality of receptors fixed in a space between the microelectrodes and reactive specifically to a target biological material, wherein, in particular, a micropattern made of a conductive material isformed in the space between the microelectrodes. Accordingly, the biosensor of the present invention can obtain a larger magnetic field strength than a biosensor with no micropattern, and can concentrate the target biological material even more efficiently with a dielectrophoretic force. Furthermore, the biosensor can protect biological molecules from damage by reducing the strength of voltage fordielectrophoresis, and can be easily applied, such as being commercialized as a healthcare sensor for disease diagnosis.

The invention concerns a FAIMS ion mobility spectrometer chamber, characterized by a high repeatability of dimensions, permitting stable gas flow, mechanical rigidity, excellent thermal conductivity and high temperature stability of gas flow. The essence of the chamber is that the heating resistor (7), the ionizer electrodes (10), the HV detector electrodes (11) and the collecting electrodes (12), as well as the conducting contacts (13, 14, 15), are applied in the form of layers of precious metals on ceramic plates (3, 4). The heating resistor (7) is located on the outer surface of the top (3) and bottom (4) ceramic plate in the form of a resistive layer of ruthenium dioxide. On the inner surface of each of the top (3) and bottom (4) ceramic plates, sequentially, starting from the gas inlet (1) to the chamber, there are gas ionizer electrodes (10) in the form of a layer of radioactive nickel, HV electrodes (11) and collecting electrodes (12), in the form of layers of gold. The conducting contacts (13, 14, 15) are made of a palladium-silver layer, whereas on the edge surfaces of the ceramic plates there are edge contacts (16), which are made of silver paste.

The invention provides a self-powered electrorheological elastomer damper which comprises an insulating shell, a pressing rod, an upper pressing plate, piezoelectric ceramic, a lower pressing plate, multiple electrode plates and electrorheological elastomers. A through hole is formed in the top of the insulating shell, the pressing rod penetrates the through hole, the upper pressing plate, the lower pressing plate, the electrode plates and the electrorheological elastomers are mounted in an inner cavity of the insulating shell, insulating paper is arranged between the pressing rod and the upper pressing plate, the piezoelectric ceramic is disposed between the upper pressing plate and the lower pressing plate, the electrode plates are disposed in the inner cavity of the insulating shell, insulating paper is arranged between the lower pressing plate and the electrode plates, one electrorheological elastomer is arranged between each two adjacent electrode plates, the upper pressing plate and the lower pressing plate are connected with the electrode plates through leads respectively, and the two electrode plates corresponding to a same electrorheological elastomer are connected with the upper pressing plate and the lower pressing plate respectively. The piezoelectric ceramic which is cylindrical is adopted for power generation, so that a strong electric field can be provided for the electrorheological elastomers, and self powering of the damper is realized; the self-powered electrorheological elastomer damper can adapt to vibrating environment better to realize vibration inhibiting.

The invention discloses a portable ozone generator which comprises a shell and a discharge assembly arranged in the shell, the discharge assembly comprises: a support, a main control board provided with a high-voltage device and an electrode plate arranged on the support; the support is covered with a breathable cover, the breathable cover is embedded in the top of the shell, the electrode plate is arranged in the breathable cover, a space defined by the electrode plate and the breathable cover opposite to the electrode plate is a corona space, the breathable cover is connected with the main control board to serve as a cathode, the electrode plate is connected with the main control board to serve as an anode, and air in the corona space is ionized to generate ozone and released through thebreathable cover; erected discharging bodies are arranged on the four sides of the electrode plate, the width of the cross section of each discharging body is gradually decreased from the bottom endto the top end, and finally the top end is a sharp corner. The ozone generator is small in size, convenient to carry, simple in internal structure and convenient to use.

The invention discloses non-oil-stick paint and application thereof. The non-oil-stick paint is prepared from the following raw materials in part by weight: 40 to 60 parts of barium carbonate, 30 to 50 parts of nano-titanium dioxide and 90 to 120 parts of thinner. The non-oil-stick paint is sprayed on an electrode plate and pollutants, such as oil smoke are repelled by an electric field produced by the paint, so that an electrode is effectively protected from being polluted and discharge normally under the action of the electric field.