103results about How to "Highly precise control" patented technology

The invention relates to an all-silicon MEMS (Micro Electro-Mechanical Systems) device. The all-silicon MEMS device consists of a liner SOI silicon chip (17), a structural layer silicon chip (10) and a nut cap SOI silicon chip (16) which are subjected to direct silicon-silicon bonding, and is characterized in that a top silicon (6) of the structural layer silicon chip (10) and the nut cap SOI silicon chip are low-resistance silicon; the top silicon (6) of the nut cap SOI silicon chip is made into an electric interconnection wire and subjected to direct silicon-silicon bonding with the structural layer silicon through a bonding face (5); an electrical signal of the structural layer is led to a silicon electrode (9) in the nut cap SOI silicon chip through the electric interconnection wire and is electrically connected with a pressure welding point (3) on the silicon electrode (9); the silicon electrode (9) is subjected to direct silicon-silicon bonding with the structural layer silicon. The all-silicon MEMS device has the advantages that as the nut cap layer bulk silicon wires are adopted, the structural layer is prevented from pickling splash damage; as twice direct silicon-silicon bonding is adopted, residual stress is eliminated; the direct silicon-silicon bonding is good in airtightness; a getter does not need to be additionally added during vacuum packaging, so that the cost is effectively reduced.

The invention discloses a method for manufacturing a fin field effect tube (Fin FET). According to the method for manufacturing the Fin FET, the height of a formed Fin is accurately controlled by means of epitaxial growth of a germanium-silicon layer and a silicon layer and the high-etching selection ratios of the germanium-silicon layer to a semiconductor substrate and the silicon layer, the parts, below the source electrode and the drain electrode of the Fin, of the silicon layer are removed by means of selective etching after a gate structure and lateral walls which surround the Fin are formed and the source electrode and the drain electrode are infused, and finally source electrode isolation and drain electrode isolation are formed in a groove by means of the Flowable CVD silicon dioxide method. The method for manufacturing the Fin FET has the advantages that on one hand, the depth of the groove in the semiconductor substrate is prevented from being too large, the groove is filled with dielectric media which serve as STI, the Fin can be formed without the need of re-etching of part of the dielectric media, and the height of the Fin is controlled accurately by means of the epitaxial growth of the Si layer; on the other hand, silicon dioxide is adopted to serve as a medium buried layer, a leakage channel of the source electrode and the drain electrode is cut off, and then leakage currents are reduced.

The invention provides a mechanical and electrical integrated automatic egg collecting device. The device is composed of a mechanical system and a control system. The automatic egg collecting process can be achieved according to the requirement of egg collecting work. The mechanical system is mainly composed of a base, idler wheels, a transverse transmission device, a longitudinal transmission device, an automatic lifting device, an egg tray positioning plate and the like. The control system is composed of a single chip microcomputer, an optoelectronic switch, an electromagnetic valve, a sensor, a control program, a control panel and the like. According to the automatic egg collecting device, the egg collecting height and track can be automatically controlled, eggs on hencoops at different heights are automatically collected, the labor intensity of feeders is lowered, the labor productivity is improved, the product quality is improved, and scale production of the breeding industry can be achieved. The automatic egg collecting device is suitable for egg production for a breeding enterprise and a farmer family livestock-raising industry with a certain scale.

The invention discloses a method for automatically generating an overload instruction of a supersonic-velocity guided missile climbing trajectory. A missile computer is adopted to set a high-altitude ideal moving object, then the ideal missile acceleration is calculated according to a proportional navigation law and converted into the overload instruction, a missile overload controller tracks the overload instruction, and finally the automatic instruction generation design of the climbing trajectory is finished. The method has a wide initial launching height and posture requirement range, can accurately control the height of a missile tail section and has good intelligence, and the initial missile launching height and the height of the missile climbing tail section can be set optionally. The overload in the whole process can be subjected to saturation constraint correction. The process from tail section climbing to flat flying is smooth, and the overload is close to 0. All of parameters in the instruction design are not required to be adjusted and corrected in advance, and the method is especially suitable for application in multiple-time climbing or any trajectory planning of a smart missile.

The invention relates to a high-frequency alloy machine for silicon laminates. The innovation point of the high-frequency alloy machine lies in comprising a rack, wherein a fixed work table is fixed on a work platform arranged at the middle part of the rack; a movable work table is arranged rightly above the fixed work table; a movable work table driving mechanism is used for driving the movable work table to be close to or far away from the fixed work table; the high-frequency heating coil axis of a high-frequency heater is coincided with the axis of the fixed work table and the movable work table; the high-frequency heater is driven by the high-frequency heating driving mechanism to lift and descend; and a silicon laminate height automatic detection system comprises a gridding ruler and a programmable logic controller. The high-frequency alloy machine has the advantages that the silicon laminates with welding flakes are clamped by the fixed work table and the movable worktable to be heated simultaneously inside and outside by the high-frequency heater placed outside the silicon laminates, the heating is uniform, the temperature difference is small, and the welding effect is good. The silicon laminate height automatic detection system is used for detecting the height changes of the silicon laminates; the programmable logic controller is used for controlling stopping heating and clamping, so that the overall heights of the silicon laminates are accurately controlled, and the sizes of the silicon laminates are consistent.

The invention discloses an integrated adjustable double-layer damping module. An airbag damper is mounted between a base and a middle mass; an upper-layer damper is mounted between the middle mass andelectromechanical equipment; the middle mass is provided with an additional mass block or a vibration absorber; the airbag damper is connected with a pressure sensor, a deflation electromagnetic valve and an inflation electromagnetic valve through air pipes; a controller is connected with a displacement sensor, the pressure sensor, the deflation electromagnetic valve and the inflation electromagnetic valve through cables to form a feedback control system; and the feedback control system is mounted on the middle mass. With the height between the electromechanical equipment and the base as a control target, and in reference to in-bag air pressure of the airbag damper, the height precision is controlled. The airbag damper is adjustable in height and wide in bearing range; and when the middlemass is changed, the airbag damper is maintained at a constant height through adjustment of the air pressure. The integrated adjustable double-layer damping module is high in integration degree, compact in structure and precise and controllable in height of the damping device, can adjust the middle mass in real time at the testing site, and achieves optimal damping effect.

The invention discloses a semiconductor device and a manufacture method thereof. The semiconductor device comprises a substrate, a fin and a gate stack, wherein the fin is formed on the substrate and is connected to the substrate via a semiconductor layer; the gate stack strides over the fin; and the fin and the semiconductor layer are provided with different materials and have etching selectivity relative to each other. According to the embodiment of the invention, due to the etching selectivity between the fin material and the semiconductor layer material below the fin, composition of the fin can be accurately stopped on the semiconductor layer, thus the fin height can be well controlled and accordingly the finally obtained channel width of the device is controlled.

The invention discloses a pier head height control method for an automatic drilling and riveting machine. According to the method, a lining extends out of an attached wall plate and then is braked and locked, a pressing-riveting ejector rod does linear feed motion, the relative distance between the front end face of a pressing-riveting head and the front end face of the lining is measured by a length gauge, a closed position loop feedback system is formed, errors caused by mechanical transmission and electric control are compensated for and corrected, the height of a pier head of a rivet is accurately controlled in closed-loop control, a force sensors monitors the pressing-riveting force in real time, the pressing-riveting force and the height of the pier head are mutually verified, and therefore the height of the pier head of the rivet can be accurately controlled in the pressing-riveting process of the drilling and riveting machine. After pressing-riveting is completed, the lining retracts, and then the pressing-riveting process is completed. According to the method, the height of the pier head can be accurately controlled in the pressing-riveting process of the drilling and riveting machine.

The invention discloses a vertical uninterrupted universal automatic roller coating device which comprises a U-type driving platform frame, universal wheels, a material conveying device, a material stirring device, a supplying/unloading dual-functional device, a roller coating device body, a power storage device and an air pressure control device. The four universal wheels are symmetrically installed at the bottom of the U-type driving platform frame. A motor I in the material conveying device is fixedly installed at the rear end of the U-type driving platform frame through bolts. A hydrauliccylinder supporting base of the material stirring device is fixedly installed on one side of the U-type driving platform frame through bolts. Four supporting columns of the supplying/unloading dual-functional device are fixedly installed on the front side of the U-type driving platform frame through bolts. A motor IV of the roller coating device body is fixedly installed on one side of the front end of the U-type driving platform frame through bolts. The roller coating device has the advantages that the loading of different materials in different ratios is realized, stirring and mixing are automatically and efficiently conducted, a preparation is made for continuous universal coating, and the roller coating height can be precisely adjusted through a ratchet wheel and pawl structure.

The invention discloses an oil-saving vehicle control system and a control method thereof, and aims to solve the problem of poor coordination of a clutch control device, a carburetor plunger height control device and an electric control gas check valve in a plunger type carburetor oil saving vehicle. The oil saving vehicle control system comprises an electric control gas check valve, a carburetor plunger height control device and a clutch control device, wherein a circular tube-shaped air inlet pipe connector of the electric control gas check valve is connected with an air outlet of a carburetor through an air inlet pipeline; and a flange type connector of the electric control gas check valve is connected with an air inlet of an engine. The carburetor plunger height control device is mounted on the carburetor through a bracket and a bolt; and the lower end of a steering engine stayguy in the carburetor plunger height control device is connected with the top end of a plunger in the carburetor. The clutch control device is mounted on a frame; and one end of an electric push rod stayguy is connected with an electric push rod, and the other end is connected with an intermediate support plate of mounting right interlocking teeth. The invention further provides a control method of the oil-saving vehicle control system.

The invention relates to a computer flat machine device, discloses a computer flat machine yarn nozzle running assembly. The computer flat machine yarn nozzle running assembly comprises a plurality ofshuttle rails arranged in an arc distribution, yarn nozzle seats slidably arranged on the shuttle rails, a platform bridge arranged across the top of the shuttle rail through front and rear plate bases, a lifting control device arranged in the platform bridge, the yarn nozzle seat is provided with a yarn nozzle handle, the yarn nozzle handle can slide along the height direction of the yarn nozzleseat, and the lifting control device is arranged above the yarn nozzle seat to control the height of the yarn nozzle seat. The invention retains the platform bridge, adopts the translation and the belt drive method, and independently controls the transverse movement of the yarn nozzle seat, the yarn nozzle seat is not limited by the movement of a head, the platform bridge is equipped with the lifting control device, which can accurately control the height of a yarn nozzle by lifting motor.

The invention belongs to the field of an electrowetting display device, and discloses a controllable ink filling method in an electrowetting display device. Particularly the method comprises the following steps of S1, preparing a first template and a second template, wherein the first template is provided with a recessed structure which corresponds with the pattern of a pixel wall, the width of a first template projected part is smaller than that of a single display area, the width of a first template recessed part is larger than that of the pixel wall, and the second template is provided with a structure which is buckled with the first template; S2, performing hydrophobic treatment on the recessed trough and bottom sidewall of the first template by means of the second template; and S3, pressing the ink of the display area out by means of the first template, thereby controlling height of the ink. According to the controllable ink filling method, fixed amount of ink is squeezed and sucked out by means of a template method for controlling the height of the ink in each pixel grid; the height of the ink can be accurately controlled; the height of the ink does not depend on the height of the pixel wall; the controllable ink filling method can be used for ink height control of a flexible display device and a common electrowetting display device; and furthermore ink spreading out of a wall can be prevented.

The invention relates to the field of computer input equipment supplies, in particular to a three-dimensional space mouse and a design method thereof. According to the mouse, an electromagnet and a permanent magnet are combined to generate suspension magnetic force, a sliding base is used for being separated from a mouse control body, by means of a telescopic rod, a mouse body can stretch and retract in the vertical direction, the mutual action direction of the magnetic force is fixed, and magnetic suspension and three-dimensional operation in the space can be achieved. The mouse mainly aims to make the mouse body separated from the base through magnetic suspension. The mouse body can achieve accurate spatial three-dimensional operation under the condition that the resistance is minimum. According to the principle of magnetic suspension, the telescopic rod is used for fixing the mouse body to move up and down vertically in the stretching and retracting direction of the telescopic rod.In order to provide a more accurate operation, a five-freedom-degree operation design is adopted, wherein the five freedom degrees include the two freedom degrees where the base is located, one freedom degree where the movement of the telescopic rod is located, and the two freedom degrees where an angle rotation sensor is located.

The invention discloses a bombing device of a firefighting vehicle, belonging to the field of firefighting technology. The device comprises a power control device, a pay-off device, a coil, a firefighting bomb, a fixing frame and a control system, wherein the power control device is electrically connected with the control system; the pay-off device is mounted on the fixing frame and connected with the power control device; and one end of the coil is connected with the pay-off device, and the other end is connected with the firefighting bomb. The bombing device is used for controlling the height of the firefighting bomb so that a firefighting vehicle with the device has the ability of putting out fire sources at different heights; and the bombing device can be widely applied to firefighting systems of power tunnels.

The invention provides a machine tool for digging grooves in an inner surface of a center hole of a quartering hammer cylinder body, in order to solve that the problems the traditional machine tool for digging the grooves is low in groove digging efficiency and poor in groove digging quality. The machine tool comprises a machine tool rack body and a working table positioned on the machine tool rack body, wherein a boring cutter group used for digging the grooves in the inner surface of the center hole of the quartering hammer cylinder body is arranged on the working table, and connected with the working table by a control device positioned on the working table; the control device is used for controlling the boring cutter group to rotate as required; the boring cutter group comprises a boring bar and three boring cutters positioned on the boring bar; distances among the boring cutter in the middle and the boring cutters on the two sides are the same; the boring cutters are embedded into the exterior of the boring bar; the heights of the boring cutters are adjustable; a trolley running device used for moving the quartering hammer cylinder body is arranged on the working table; a fixing device used for fixing the quartering hammer cylinder body is arranged on the trolley running device; and a tool setting gauge used for correcting the heights of the boring cutters is arranged on the boring bar, and connected with the boring bar.

The invention belongs to the technical field of medical instruments, and particularly discloses a multifunctional sectional shoulder-neck-head body position instrument. The multifunctional sectional shoulder-neck-head body position instrument comprises an installation board and a four-way valve, wherein a headrest, a neck collar and a shoulder rest are arranged on the installation board, the headrest, the neck collar and the shoulder rest are all provided with inflation holes and exhaust valves, the inflation holes are connected with air outlets of the four-way valve through inflation tubes, an air inlet tube is fixedly connected with an end portion of an air inlet of the four-way valve, a one-way valve is arranged in the air inlet tube, a pinching inflation bag is fixedly connected with an end portion of the air inlet tube, two sides of the necks and two sides of the heads are surrounded by convex air columns, the convex air columns can have certain fixing and supporting effects, by adjusting the inflation volume of the pinching inflation bag, the heights of the neck collar, the headrest and the shoulder rest are set, relative positions of the neck collar, the headrest and the shoulder rest are set through a sliding groove, patients are fully supported and protected according to different body types (including body weights and neck lengths), and the convex air columns can disperse pressure and fully dissipate heat to protect skin of the shoulders, shoulder blades and occipital protuberances of the patients.

The invention discloses an external magnetic separator for fine-fraction refractory ore separation. The magnetic separator comprises a transmission device, a magnetic system, a magnetic separation cylinder, a concentrate tank and a flushing pipe. The magnetic system is in a long-strip arc shape, and the magnetic separation cylinder is mounted on the inner side of the long-strip arc-shaped magneticsystem in a manner of rotating relative to the magnetic system. The transmission device drives the magnetic separation cylinder to rotate. At least one spiral plate spirally extending along the axialdirection of the cylinder is arranged on the inner wall of the magnetic separation cylinder. One end of the magnetic separation cylinder is a feeding port, and the other end of the magnetic separation cylinder is a tailing port. A long-strip concentrate tank and the flushing pipe are installed in the magnetic separation cylinder corresponding to the external magnetic system, the flushing pipe islocated above the concentrate tank, a water outlet of the flushing pipe faces the inner wall of the magnetic separation cylinder, and the water outlet direction is reflected by the inner wall of the magnetic separation cylinder to fall into the concentrate tank. The magnetic separator is beneficial to separation of iron tailing extremely-fine particle magnetic minerals.

The invention relates to a system and a method for researching the bioelectricity effect of high-frequency electromagnetic radiation on in-vitro excitable cells. Terahertz waves are designed and constructed from top to bottom by utilizing an electrophysiological recording system and a microscope observation system for adherent growth culture cells, synchronous detection of real-time irradiation terahertz and electrophysiological characteristics of adherent growth in-vitro culture neurons and other excitable cells can be realized, and the system is simple to operate and high in repeatability. On one hand, a terahertz source is integrated into an electrophysiological recording system and is fixed on an electric three-dimensional micromanipulator, so that the terahertz source can be moved freely and accurately; meanwhile, terahertz waves invisible to naked eyes are combined with the visible light laser positioning sighting device, and the irradiation position of the terahertz waves is determined. And on the other hand, the attenuation degree of terahertz waves in the liquid is reduced by controlling the liquid level height of the electrophysiological recording chamber, namely the culture dish, so that the neurons are irradiated in real time, and electrophysiological indexes are recorded in real time.

The invention relates to an XE original number tailoring method of a clothing chest and shoulder difference. Clothing original numbers of the shoulder width, the chest circumference, the clothing length, the collar length and the waist line height are determined according to human body measurement data and predetermined clothing styles; the small shoulder length is determined from 1/2 of the shoulder width element, the shoulder sloping amount is commuted, the chest and shoulder difference is then determined, and therefore the width and the height of an armhole are determined. The tailoring method of the clothing chest and shoulder difference is simple and practical, and the chest and shoulder difference is directly determined by the original number, namely the shoulder width.

The invention discloses an intelligent cement loading and unloading monitoring system for a wharf. The system comprises a ship loader and a central control room. The system is characterized in that the ship loader communicates with the central control room through a 5G virtual private network; the ship loader is provided with a vertical chute tube; a pair of chute tube monitoring cameras are symmetrically arranged at the upper ends of the two sides of the chute tube; two ship monitoring cameras are arranged on the shore of the wharf through stand columns; the central control room comprises a chute tube monitoring module and a ship monitoring module; the chute tube monitoring module monitors whether a discharging opening of the chute tube is located in the middle of a cabin of a ship or not through the chute tube monitoring cameras; and the ship monitoring module monitors the position and state of the ship through the ship monitoring cameras; and the chute tube monitoring cameras and the ship monitoring cameras are both 5G high-definition cameras which are in wireless communication with the central control room. With the system of the invention adopted, the cement material ship loading efficiency, safety and automation can be improved, the influence of human factors is reduced, and an operator can conveniently, visually and accurately monitor a ship loading operation process.

The invention belongs to the field of electrowetting, and discloses an electrowetting device. The electrowetting device includes an upper substrate and a lower substrate; a cavity formed by the opposite upper and lower substrates is filled with encapsulation liquid; the upper substrate includes an upper support plate, a first electrode, a sealing plastic frame and support columns; the lower substrate includes a lower support plate, a second electrode, a hydrophobic insulation layer and a pixel wall. The invention further discloses a preparation method of the electrowetting device. According to the electrowetting device, the support column structure is arranged on the upper substrate, which is different from other electrowetting devices of which support columns are arranged on the lower substrate, the support column on the upper substrate can be subjected to several kinds of physical and chemical hydrophilic modifications, so that the support column achieves the conditions of super hydrophilicity and super oleophobicity, and therefore the influence of the support column on ink movement is greatly reduced.