50 results about "Parallel plate" patented technology

The application discloses a broadband multi-stage Gysel power divider based on an IPD process, comprising a microstrip structure layer, and first and second dielectric substrates and a ground metal layer; the microstrip structure layer adopts a multi-layer nested structure, each layer of the nested structure is formed by cascading multi-stage Gysel power division units, and is arranged on the upper surface and the interior of the first dielectric substrate, so that an integrated layout based on the IPD process is formed, and a planar spiral structure, an air bridge, a parallel plate capacitor, a thin film resistor and a layered ground unit structure are integrated; the planar spiral structure is equivalent to a specific characteristic impedance transmission line, the air bridge structure solves cross interference and suppresses a parasitic capacitor, the parallel plate capacitor structure calibrates equivalent reactance parameters, the thin film resistor effectively improves port isolation and heat dissipation, and the layered ground unit structure strengthens heat dissipation and ground reliability. The application can realize stable power distribution in a wide frequency band, and is suitable for the integration requirements of high-frequency, high-power and small-sized radio frequency front ends.

This application discloses an electronic device, including a first metal plate, a second metal plate, and a first circuit board. The first metal plate is configured to support a display screen of the electronic device. The second metal plate and the first metal plate are oppositely arranged in a first direction, and the second metal plate is configured to support a rear cover of the electronic device. At least a portion of the first circuit board is located between the first metal plate and the second metal plate. The first metal plate includes a first opening, and the second metal plate includes a second opening. A projection of the first opening on the second metal plate at least partially overlaps the second opening. The electronic device according to this application can weaken coupling between a parallel plate waveguide and a microstrip line waveguide.

Systems and methods for mechanically processing physical media elements, e.g., automatically scratching scratch-off lottery tickets, may include receiving a batch of tickets at an input chute of a scratching system. Tickets may be serially fed through the scratching system that includes a series of roller scratching mechanisms. Pressure rollers may be individually adjustable to set a pressure of the scratching mechanisms. One or more scanners may obtain information from the tickets before and / or after scratching. A pair of parallel plates may be used to form a feed path to guide tickets through the system. A vacuum manifold may isolate some elements of the system from debris, and remove the debris from the system via negative pressure. One or more presence sensor may detect presence of a current ticket to control operation of feed motors. Various functions or elements of the system may be distributed over a plurality of removable modules.

This invention provides a real-time image processing acceleration device based on edge computing. Its structure includes: a connecting substrate, a power-conducting plug, a chip body, an insulating layer, and a heat dissipation end. The center of the connecting substrate is penetrated by the power-conducting plug at the lower end of the chip body. The chip body, insulating layer, and heat dissipation end are integrated. This invention improves the connecting substrate by using a parallel plate to enhance the parallelism of the connection with the computer. Simultaneously, the combination of a pressing body and a locking structure replaces the original multiple bolts for locking, improving the convenience of locking assembly and ensuring consistent edge force. This prevents tilting and inability to place the device parallel after locking, thus avoiding interference with the normal operation of other computer hardware due to non-parallelism and effectively improving the actual stability of the acceleration device.

This invention discloses a design method and structure for a half-mode dielectric ridge parallel plate waveguide dual-beam wide-angle scanning leaky antenna based on PCB technology. Manufactured using a fully printed circuit board process, it includes a core structure of a half-mode dielectric ridge parallel plate waveguide transmission line formed by laminating three dielectric substrates, a metallized via array disposed at the edge of the waveguide's non-radiating open aperture to suppress energy leakage, and a periodic dipole array symmetrically arranged on the radiating open aperture side of the waveguide. This invention solves the technical problems of high manufacturing cost, narrow scanning range, and difficulty in implementing dual beams in traditional leaky antennas, providing a low-cost, high-performance, and easily integrated antenna solution.

The present application belongs to the technical field of tooling fixture, in particular to a special-shaped metal piece self-adaptive fixture for machine tool, which comprises a base, a machining assembly is arranged on the top of the base, a workbench is arranged above the base, parallel plates are symmetrically and fixedly installed on the top of the workbench, a plurality of clamping plates are slidably installed on the inner walls of the two parallel plates, an extrusion assembly is arranged above the workbench, a driving assembly is arranged at the bottom of the base, and the driving assembly is used to drive the extrusion assembly to drive the clamping plates to move to realize the clamping work of the special-shaped metal piece. The driving assembly drives the extrusion assembly, and then pushes the plurality of clamping plates to slide. The clamping plates cooperate with the clamping assembly to automatically adjust the position according to the profile of the surface of the special-shaped workpiece, realize the stable clamping of various special-shaped metal pieces, greatly expand the application range of the fixture, and do not need to specially design and replace the fixture for workpieces of different sizes, thereby improving the versatility and utilization rate of the equipment.

The invention relates to an electric motor comprising: a stator supporting coils supplied by conductors terminated by conductive blades extending in an axial direction; a printed circuit board having plated-through holes, extending in a plane perpendicular to said axial direction; the connection between conductive blades and said printed circuit board being ensured by forked connection means inserted in said printed circuit board and plugged onto said conductive blades. Furthermore, said forked connection means consists of a pair of parallel planar coupled forks spaced at a distance of between 0.3 and 3 times the thickness of a fork, each fork having two legs forming a fork for the insertion by elastic deformation of a conductive blade.extended at the opposite end by a conductive head with a cross-section smaller than the cross-section of said holes in the printed circuit board for insertion into the printed circuit board from its lower surface oriented towards said stator, each of said pairs of coupled forks being implanted on said printed circuit board by passing through two parallel plated holes, and by soldering on the face of the printed circuit board opposite said stator, and passing at least partially through said plated holes, said printed circuit board having sets of quarter-holes arranged in the projection of said conductive blades of said stator. Figure 1,

This invention belongs to the field of antenna technology and relates to the design of horn antennas. Specifically, it provides a broadband radiating leaky horn antenna with a customizable profile, which is composed of multiple H-plane leaky horns stacked together. Each H-plane leaky horn consists of a feed network, a leaky ground coplanar waveguide, a slow-wave parallel plate waveguide, and a matching structure. The feed network is connected to two leaky ground coplanar waveguides, which are arranged in an open horn shape to form the leaky horn. A strip-shaped slot is formed on the center line of the leaky horn, and slow-wave parallel plate waveguides are respectively arranged in the triangular regions between the horn arms and the strip-shaped slot. A matching structure is arranged on the aperture surface of the leaky horn. Based on this structure, the leaky horn antenna provided by this invention achieves phase error suppression while maintaining broadband radiation characteristics, and the leaky horn antenna has a customizable profile, which is beneficial for miniaturization.

The application discloses a micro-force measuring device, and relates to the field of micro-nano scale mechanical testing, wherein a first parallel-plate capacitor comprises a first electrode plate and a second electrode plate, a second parallel-plate capacitor comprises a third electrode plate and a fourth electrode plate, the first electrode plate and the third electrode plate are connected with a device body, the second electrode plate is connected with a force loading probe, the fourth electrode plate is connected with a displacement transmission member, the force loading probe is movable relative to the device body along a first direction, and the displacement transmission member is configured to move together with the force loading probe after the force loading probe moves a preset distance along the first direction. Thus, by enabling the displacement transmission member to move together with the force loading probe after the force loading probe moves a preset distance along the first direction, the micro-force measuring device can automatically switch to large-range measurement through the displacement transmission member after small-range measurement reaches a limit, so that the micro-force measuring device has high sensitivity, high resolution and large range, and the accuracy and convenience of measurement of the micro-force measuring device are improved.

This invention relates to a fuel cell cathode plate and a fuel cell. The fuel cell cathode plate includes a plate body and an inlet / outlet area, a reaction area, and a reactant transition area. The reactant transition area is provided with air reversal holes, an air diffusion zone, and an air buffer boss, which together realize the flow reversal of air from the direction perpendicular to the plate body to the direction parallel to the plate body, primary uniform distribution, and secondary distribution stabilization, ultimately uniformly delivering the air to the meandering air guide channel in the reaction area. This invention effectively solves the problems of water accumulation in the cathode channel and poor gas mass transfer by reducing the channel width at the lower arc of the air guide channel to accelerate airflow drainage and setting a sloping boss at the upper arc to lift the airflow and enhance mass transfer, thus significantly improving the power generation performance and plate utilization rate of the fuel cell.

Disclosed is a method of manufacturing a Josephson travelling wave parametric amplifier, JTWPA (400), which comprises providing, on a substrate (406), a bottom conductive layer (404, 405), a dielectric layer (408), and a top conductive layer (403), the top conductive layer at least partly forming nonlinear inductors (409), top capacitor plates of parallel plate capacitors and / or conductive strips interrupted by nonlinear inductors, wherein the top conductive layer (403) is formed using a single instance of an angled evaporation method. The nonlinear inductors (409) may comprise one or more Josephson junctions, and the bottom conductive layer (404, 405) may form a CPW transmission line structure (402).

This application discloses an antistatic photomask, relating to the field of semiconductor technology. The antistatic photomask includes a substrate and a metal layer deposited on the substrate. A photomask pattern is etched on the metal layer. A first annular groove, a second annular groove, and a third annular groove are sequentially arranged around the outer periphery of the photomask pattern. A first metal ring is formed between the first and second annular grooves, and a second metal ring is formed between the second and third annular grooves. The first and second metal rings form a parallel plate capacitor structure. A plurality of first conductive strips are spaced apart within the third annular groove. The parallel plate capacitor structure is electrically connected to the metal layer outside the third annular groove through the first conductive strips. This improves the antistatic capability of the photomask itself.

This utility model discloses a vehicle rear bumper beam strength measuring device with a limiting structure, including: a connecting base plate and a mounting base disposed on the connecting base plate. A strength impact block for impact testing is disposed on the upper side of the mounting base. The device also includes: a connecting motor connected to the outer side of the mounting base, and an adjustable component disposed inside the mounting base. A parallel plate is connected to the upper surface of the mounting base, and an outer support plate is welded and fixed to the outer side of the upper surface of the parallel plate. A mounting block is connected to the inner side of the outer support plate. This vehicle rear bumper beam strength measuring device with a limiting structure allows for adjustment of the strength testing device's position according to the bumper beam's location through the adjustable component. Furthermore, with the installation of the reinforcement component, the testing device can be reinforced and limited before strength testing to prevent shaking during testing and ensure accurate results.

Systems and methods for mechanically processing physical media elements, e.g., automatically scratching scratch-off lottery tickets, may include receiving a batch of tickets at an input chute of a scratching system. Tickets may be serially fed through the scratching system that includes a series of roller scratching mechanisms. Pressure rollers may be individually adjustable to set a pressure of the scratching mechanisms. One or more scanners may obtain information from the tickets before and / or after scratching. A pair of parallel plates may be used to form a feed path to guide tickets through the system. A vacuum manifold may isolate some elements of the system from debris, and remove the debris from the system via negative pressure. One or more presence sensor may detect presence of a current ticket to control operation of feed motors. Various functions or elements of the system may be distributed over a plurality of removable modules.

The application relates to the technical field of sensors and discloses a differential type force measuring parallel plate capacitor sensor structure which comprises a cylinder body, a first electrode plate and a second electrode plate which are parallel to each other are arranged in the cylinder body, the first electrode plate is located above the second electrode plate, a third electrode plate is further arranged in the cylinder body and is parallel to the first electrode plate and the second electrode plate, a plurality of through holes are formed in the third electrode plate, a first dielectric layer is arranged between the first electrode plate and the third electrode plate, the first dielectric layer is made of flexible and stretchable material, a second dielectric layer is arranged between the second electrode plate and the third electrode plate, the second dielectric layer is a liquid with a dielectric constant greater than that of air, the first electrode plate moves towards the third electrode plate under external force, and the third electrode plate moves towards the second electrode plate under external force. The capacitor sensor structure can greatly improve the measurement sensitivity of the capacitive sensor.

The utility model belongs to mobile communication technical field discloses a kind of radiation unit and antenna, radiation unit includes oscillator structure and feed structure, oscillator structure includes two dipoles with polarized orthogonal settings, each dipole includes two symmetrically arranged radiation arms and two symmetrically arranged coupling arms, two dipoles are arranged around a center point, form a center through-hole, coupling arm is connected with the end of radiation arm close to center through-hole, and coupling arm is approximately vertically arranged relative to the radiation arm;Feed structure is arranged below the oscillator structure, and the feed structure includes multiple feed arms, each feed arm passes through the center through-hole and partially overlaps with the corresponding coupling arm to form a parallel-plate capacitor. The utility model forms an equivalent high-pass filter by the design of parallel-plate capacitor coupling, realizes the suppression of low-frequency signal, reaches decoupling purpose, satisfies the high-performance requirement of multi-band base station antenna to low-frequency decoupling.

The utility model relates to medical instrument field especially relates to a special detection instrument of skin scratch symptom. Including test board etc. ; Four sliding holes are evenly opened in test board downside, four sliding holes are respectively slidably equipped with four press bars of different length, and the elastic member is connected between press bar and test board, the mounting groove is opened in the middle part of parallel plate, and the shape and size of mounting groove are adapted with the lower part of test board, the lower part of test board is equipped with strip bulge left and right sides, and the fixing groove that is adapted with strip bulge is opened in the mounting groove of parallel plate, and the lower part of test board is equipped with limit block left and right sides. The utility model discloses four press bars of different length, can exert different pressure to skin when testing, is helpful to judge skin scratch symptom inducing threshold, through the design of sliding hole, parallel plate and elastic member, can assist test board to keep vertical and not left and right tilt in the sliding process.

Foldable apparatus are described herein that include hard coating disposed on a first major surface of a foldable substrate comprising a glass-based material. A substrate thickness of the foldable substrate is from greater than or equal to 20 micrometers to less than or equal to 300 micrometers. The hard coating includes an inorganic material exhibiting a hardness greater than or equal to 8 GigaPascals as measured by a Berkovich Indenter Hardness Test. The foldable apparatus can achieve a parallel plate distance in millimeters equal to 0.1 times the substrate thickness in micrometers. In aspects, the hard coating can include an optical stack that includes an anti-reflective coating with a thickness from greater than or equal to 10 nanometers to less than or equal to 10 micrometers. In aspects, the foldable apparatus can further comprise an anti-fingerprint coating disposed on the hard coating.

This utility model relates to a caster fixing device, belonging to the field of limit lock technology. The caster fixing device includes a floor lock body and a lock body assembly. The floor lock body is a U-shaped structure composed of a first parallel plate, a second parallel plate, and an end plate. The floor lock body is fixed to the ground by fasteners. The lock body assembly is connected between the first and second parallel plates. The lock body assembly and the end plate are respectively located at both ends of the floor lock body. The lock body assembly and the end plate form a receiving space for limiting the caster. With this structure, by fixing the floor lock body to the ground, the caster is pushed into the receiving space during use. The lock body assembly closes the open end of the floor lock body, thereby restricting the movement of the caster and achieving effective fixing of the caster. The mechanical limiting structure replaces the friction brake, avoiding the locking failure caused by the wear of the friction brake. It is anti-theft and anti-pry. The U-shaped floor lock body distributes the force, has strong vibration resistance, prevents accidental slippage, and is more suitable for heavy loads.

Foldable apparatus are described herein that include hard coating disposed on a first major surface of a foldable substrate comprising a glass-based material. A substrate thickness of the foldable substrate is from greater than or equal to 20 micrometers to less than or equal to 300 micrometers. The hard coating includes an inorganic material exhibiting a hardness greater than or equal to 8 GigaPascals as measured by a Berkovich Indenter Hardness Test. The foldable apparatus can achieve a parallel plate distance in millimeters equal to 0.1 times the substrate thickness in micrometers. In aspects, the hard coating can include an optical stack that includes an anti-reflective coating with a thickness from greater than or equal to 10 nanometers to less than or equal to 10 micrometers. In aspects, the foldable apparatus can further comprise an anti-fingerprint coating disposed on the hard coating.

The invention relates to the technical field of back drilling detection, and discloses a PCB back drilling quality detection device and method.The PCB back drilling quality detection device is characterized in that a pure electric detection loop is constructed through a three-probe assembly of a grounding pin, a signal pin and a probe in cooperation with a signal module, a measurement module and a judgment module, the grounding pin provides a stable grounding reference, the signal pin transmits a test signal, and the detection precision is improved; and the probe and the via hole copper layer form an equivalent parallel plate capacitor, and the area of the via hole copper layer is reversely deduced by measuring a capacitance value based on a capacitance formula so as to determine the stub. The design does not need cross-professional components, only depends on the electrical principle, can be directly assembled on the flying probe tester, solves the problems that a traditional flying probe tester cannot detect the via hole stub and an existing detection method is complex in structure, cross-professional and poor in adaptability, and achieves structure simplification and accurate function matching. The adaptive cost and the technical threshold of detection equipment are reduced, and meanwhile, a foundation is laid for subsequent high-precision measurement.

This invention discloses an integrated parallel plate experimental device and method for proppant placement and recirculation with variable morphology. The experimental device includes: a fracturing fluid input system, a recirculation gas-liquid supply system, a variable morphology parallel plate fracture simulation device, and a data acquisition system. The variable morphology parallel plate fracture simulation device has a placement end and a recirculation end. A branch path is provided on the side of the recirculation end. The variable morphology parallel plate fracture simulation device can achieve continuous adjustment of the fracture width, used to construct fracture geometries with different fracture lengths and heights, and can switch the path between proppant placement and recirculation tests. During the recirculation stage, the variable morphology parallel plate fracture simulation device can be used to simulate multi-directional inflow and gas-liquid coexistence conditions. This application can systematically study the placement behavior and recirculation characteristics of proppant and fiber-proppant systems under different fracture morphology conditions.

This invention provides a modeling method for the average power capacity of a finite-ground coplanar waveguide, comprising the following steps: mapping the finite-ground coplanar waveguide to a parallel plate structure based on conformal mapping; extracting the thermal resistance of the parallel plate structure through electrothermal analogy; establishing a thermal resistance model of the finite-ground coplanar waveguide considering heat conduction and convection dissipation; establishing an equivalent thermal path model of the finite-ground coplanar waveguide based on the parallel plate thermal resistance model; and calculating the temperature rise per unit input power and the average power capacity of the finite-ground coplanar waveguide based on the equivalent thermal path model. This invention establishes an accurate equivalent thermal path model of the finite-ground coplanar waveguide based on analytical methods and proposes a method for evaluating the average power capacity.

This invention discloses a parallel-plate capacitor resonator and its fabrication method. The parallel-plate capacitor resonator includes a substrate, a dielectric layer on the surface of the substrate, and a micro-inductor. The micro-inductor is formed by a continuous first conductor spirally or meanderingly laid on the surface of the dielectric layer. The dielectric layer has several grooves, with adjacent grooves offset horizontally by d2 and spaced d1 apart front to back. Conductive material is placed inside the grooves. The conductive material in the grooves offset in the same direction is connected to the same lead electrode via a second conductor laid on the dielectric layer. The lead electrode is connected to the micro-inductor. This invention forms a parallel-plate capacitor by setting grooves, preventing short circuits caused by shorting between the two plates of each capacitor. The fin-shaped parallel-plate capacitor structure has high stability, uniform properties, and is not easily deformed, thus extending the service life of the resonator.

The present application relates to the technical field of electrical sensing, and discloses a weak current sensing device based on a meandering core current-carrying polar plate structure, which comprises a parallel-plate capacitor formed by an electrode plate layer, a dielectric layer and a lead-out wire, the electrode plate layer is composed of an embedded meandering core and a plate body, the embedded meandering core is uniformly and symmetrically distributed inside and outside the plate body, the electrode plate layer comprises an upper polar plate arranged at the top and a lower polar plate arranged at the bottom, the dielectric layer is arranged between the upper polar plate and the lower polar plate, and the lead-out wire is connected to the top of the upper polar plate and the bottom of the lower polar plate, so that the input system charge can be uniformly distributed on the polar plate, a uniform strong electric field sensitive to weak current can be quickly established, and the polar plate tip is not prone to heat aggregation due to current increase; in terms of signal measurement, the uniform strong electric field can facilitate linear and accurate measurement and calculation, and is free from I / V conversion and other operations on the current signal, so that the linearity and stability of the device are greatly enhanced, and the design complexity and manufacturing cost are reduced.

The application relates to the technical field of static monitoring devices, and discloses a double-helix cross-winding type static induction monitoring device which comprises a double-helix cross-winding induction assembly, a data transmission module, a mounting module, a power module, a signal processing module and a control module. The double-helix cross-winding induction assembly is electrically connected with the signal processing module by using high-temperature-resistant shielding wires, and is wrapped with a fluororubber insulation layer. The double-helix cross-winding induction structure is used to completely solve the problem of monitoring blind areas. Two conductive induction wires are cross-wound to form a double-helix structure, the stable characteristics of DNA double helix are simulated, 360-degree omnidirectional capture of a space static field is realized, there is no monitoring blind area, and compared with a traditional single electrode and a parallel plate electrode structure, the monitoring range is enlarged. Meanwhile, the coupling effect generated by cross-winding improves the intensity of an induction signal, significantly improves the monitoring sensitivity, can monitor a weak static field, and solves the defect of insufficient sensitivity of the existing device.

The application discloses a method for realizing near-infrared optical material uniformity measurement at a working wavelength, and an interference measurement system is formed by using an indicating light source, a near-infrared long-coherence light source, a near-infrared short-coherence light source with accurate wavelength, an optical path matching system, a wavelength division multiplexer, a composite light source switching device and an interferometer. First, the indicating light source is used to move a to-be-measured parallel plate placed in an interference cavity, and a visible light spot is projected onto the surface of the to-be-measured parallel plate; then, the near-infrared long-coherence light source is switched to, the posture of the to-be-measured parallel plate relative to a standard transmission mirror is adjusted according to an interference graph collected by a surface array detector; finally, the near-infrared short-coherence light source with accurate wavelength is switched to, positioning of front and back surfaces of the to-be-measured parallel plate or the standard reflection mirror is realized through optical path matching, and wavefronts of the front and back surfaces of the to-be-measured parallel plate, transmission and a cavity are measured; based on a four-interference-graph detection method, a refractive index uniformity distribution is solved, and high-precision measurement of near-infrared optical material uniformity at the working wavelength is realized.