44results about How to "Avoid manufacturing difficulties" patented technology

A method utilizing a common gate electrode material with a single work function for both the pMOS and nMOS transistors where the magnitude of the transistor threshold voltages is modified by semiconductor band engineering and article made thereby.

The invention discloses a forming method and device of an anisotropic neodymium iron boron bonded permanent magnet, belongs to the technical field of forming of bonded permanent magnets. According to the forming method and device, mixed powder of anisotropic neodymium iron boron magnetic powder, an epoxy resin binder and a curing agent is contained by adopting a split type mould, and is placed in a certain magnetic field for orientation, the mould and the mixed powder are heated to be up to a certain temperature through a resistor, and a laser impact irradiating the anisotropic neodymium iron boron powder directly is generated by using lasers to directly press the powder. According to the forming method and device, because a small amount of the binder is used and the pressure pressing of a higher laser impact wave is adopted, the magnetic property of a binding neodymium iron boron magnet is improved; and the powder is pressed when being heated, the forming procedure and the curing procedure are combined into one, and thus the circulation time of a product in the production process is reduced, the production period of the product is shortened, and the production efficiency is further improved.

A universal water-turbine engine pertains to an impact water-turbine engine which converts pressure energy of current to kinetic energy and converts the kinetic energy to rotating mechanical energy in the hydraulic machinery; the water-turbine engine consists of a or a plurality of jet orifices, a device corresponding to the jet orifices, a or a plurality of turning wheels arranged on a main axis for the universal water-turbine engine, a tailrace arranged under the turning wheel, a speed governor, a driving device and other parts. The water-turbine engine can develop and exploit all waterpower resources and has high efficiency, large capacity, safe and reliable performance, simple and reasonable structure as well as low manufacturing cost; the application of the water-turbine engine significantly promotes the current development and exploitation of the waterpower resource, thus being capable of marking a new epoch of rapid development of the hydroelectric power industry.

The invention discloses a titling mode sampling modeling and super-resolution reconstruction method so as to achieve the reconstruction of high spatial resolution satellite remote sensing images. The method comprises the steps that a pixel coordinate system on a titling mode sampling grid is mapped onto a pixel coordinate system on a high-resolution conventional sampling grid; in a space coordinate system, triangulation is carried out on tilting mode sampling pixel points; according to an unknown pixel on the high-resolution grid, the value of the unknown pixel on the high-resolution grid is calculated by the adoption of the super-resolution reconstruction method like a polynomial interpolation through the value of the known pixel of the vertex of the triangle where the unknown pixel is located. According to the disclosed titling mode sampling modeling and super-resolution reconstruction method, single-linear-array titling mode sampling imaging is adopted, the problems that two rows of sensor linear arrays are difficult to manufacture, and the registration accuracy is hard to control are solved, meanwhile, image data collection is carried out on sampling intervals by the control over the push broom direction, the spatial sampling grid formed by tilting mode sampling is square, and the problem of accuracy losses caused by the additional geometric correction and the gray-level interpolation is solved.

The present invention provides an image sensor comprising a pixel array module composed of pixel groups, multiple switch control modules, a PFA, a pipelined ADC and a decode module. Each pixel group comprises multiple unit pixels which form at least one unit pixel. Each switch control module corresponds to a row of the pixel array module and includes a first transmission circuit and a second transmission circuit. The PGA process the data outputted by the first and second transmission circuits and the pipelined ADC performs A/D conversion to the data outputted by the PGA. The decode module controls the first and second transmission circuits of each row to alternately read and transmit the unit pixel data, and controls all the first and second transmission circuits to successively output the data of the unit pixels readout thereby to the PGA.

The invention relates to an alignment detection device for photoetching equipment. The device comprises a wafer stage reference board, the lower surface of which is provided with a transmission type mark for mask alignment; a photon conversion crystal, the center of which is aligned with the center of the corresponding transmission type mark, for converting ultraviolet light into visible light; an optical support for installing the photon conversion crystal; an isolation board for isolating light propagation and an external heat source; an optical filter installed on the isolation board for filtering useless light beyond the visible light band; and a fiber directly connected to the optical filter.

The invention discloses a direction adjusting structure for hygiene product production equipment. The direction adjusting structure comprises a rotating component, a turning component and a guiding component. The turning component comprises a crank, a connecting rod and a guiding part, wherein the crank is connected with a pivot of the rotating component and connected with the connecting rod in series, and the guiding part is arranged at the end, away from the end connected with the crank, of the connecting rod. A cam guider of the guiding component is connected with the connecting rod of the turning component. During working, the cam guider is guided by a turning cam groove and drives the guiding part to do linear reciprocating motion so that the connecting rod can drive the crank to achieve rotation of the rotating component. The problems that a traditional roller oscillating follower cylindrical cam with a space curved face character is complex in design and difficult to manufacture are avoided, the scheme that a roller straight moving follower cylindrical cam is connected with a slider-crank mechanism in series is adopted, on one hand, the machining difficulty of a cam is greatly lowered, the manufacturing cost is low, the structural stability is high, and the service life is long; and on the other hand, a good mechanical property is achieved, and the requirements for high-speed production can be met.

The invention discloses a four-quadrant cascade high-voltage frequency conversion device, which comprises a transformer, three single-phase electric reactors and three groups of power module units, wherein a secondary side of the transformer is provided with three single-phase windings; each group of power module units consists of N module units; each power module unit consists of two identical controllable H-bridge circuits; two input ends and two output end are respectively formed through the two H-bridge circuits; in the same power module unit, the input ends of the power module unit are connected in sequence, and output ends of each power module unit are connected in sequence; and two power modules at the head and the tail are connected with single-phase secondary windings of the transformer. Bidirectional flow of energy between a power grid and a load is realized, the high voltage resistance of the whole frequency conversion device is realized, the defect that a plurality of secondary side windings are adopted in prior art is overcome, and the usage of electric reactors is greatly reduced, so that the whole high-voltage frequency conversion device is relatively simple in structure, low in manufacturing cost, small in volume, heavy in weight and convenient to transport, mount and maintain.

The invention provides a tunable E-surface cutting H-surface waveguide band-pass filter and a design method thereof, and belongs to the technical field of filter design. The method comprises steps offrom a lumped parameter low-pass prototype, establishing a model with chamfering; after frequency transformation, deriving a new design formula of a coupled resonator band-pass filter with a chamferedlumped parameter; using a microwave structure to implement the coupling structures and resonators to obtain a microwave band-pass filter. The method ensures low loss of the filter without band offset. Compared with a traditional method, the method solves large errors and high losses. The method is widely used in the fields of short-range air defense, battlefield surveillance, missile guidance, airborne collision avoidance, high-resolution imaging, space target detection, battlefield identification, and millimeter wave communication.

The invention discloses a forward and reverse lamination device of hygienic products. The device comprises a turntable, a driving part, a fixed shaft and a cam; and a direction change cam groove is formed in the peripheral surface of the cam. The device further comprises multiple steering units arranged on the peripheral surface of the turntable at intervals; and the steering units have rotating parts, direction change parts and guide parts. Cranks of the direction change parts in the adjacent steering units are symmetrically arranged, and are opposite in rotating direction. A cam guider is guided by the direction change cam groove to drive the guide parts to perform a linear reciprocating motion during working, so that the rotating directions of the adjacent cranks are opposite, and the forward and reverse arrangement outputting of the hygienic products is realized. The device prevents the problems of complex design and difficult manufacturing in a traditional cam; on the one hand, the device largely reduces the cam machining difficulty, and is low in manufacturing cost, high in structure stability and long in service life; and on the other hand, the device is excellent in mechanical performance, and can satisfy the high-speed production demand of 600 p/min.

The invention discloses a manufacturing process of gold and platinum jewelry, and relates to the technical field of manufacturing of gold and platinum jewelry. The process includes the steps: a low-temperature metal blank body is prepared; a first layer is electroformed on the outer side of the metal blank body, and recorded as a first plating layer; a second layer is electroformed on the outer side of the first plating layer, and recorded as a second plating layer; and a pattern is engraved on the outer side of the electroformed metal blank body through a numerical control lathe. According to the process, platinum and gold are combined together through low-temperature, electroforming and engraving methods, yellow and white can be effectively and naturally reflected, the display effect is better, and inconvenience and manufacturing difficulty of connecting gold and platinum through a conventional welding method can be avoided.

The invention discloses a front suspension system and a vehicle, and belongs to the technical field of automobile suspensions. The front suspension system includes: a knuckle; an upper control arm; and an auxiliary frame assembly which comprises a left longitudinal beam, a right longitudinal beam, a front cross beam and a rear cross beam, wherein the front cross beam and the rear cross beam are connected with the left longitudinal beam and the right longitudinal beam in a welded mode, wherein first welding seams are formed between the front cross beam and the left longitudinal beam and between the front cross beam and the right longitudinal beam, and included angles are formed between the first welding seams and the vertical plane; a first lower control arm and a secondlower control arm, wherein one end of the first lower control arm is connected with the auxiliary frame assembly, the other end of the first lower control arm is connected with the steering knuckle through a ball pin, one end of the second lower control arm is connected with the auxiliary frame assembly, and the other end of the second lower control arm is also connected with the steering knuckle through a ball pin, the intersection point of the axes of the first lower control arm and the second lower control arm is a virtual main pin lower point, and the virtual main pin lower point is lower than the auxiliary frame assembly; and a front sliding column assembly. The front suspension system and the vehicle are high in applicability, easy to form and high in deformation resistance.

Then invention provides a color imaging method based on a photosensitive composite medium grid metal oxide semiconductor field effect transistor (MOSFET) detector. According to the color imaging method, different voltage pulses are put on grid electrodes, and the MOSFET works in a deep-exhausting state. According to principles that different grid voltage causes different depths of an exhausting area and lights of different wave lengths has different penetration depth in silicon, red photon, green photon and blue photon in incident light are separated, collected and detected respectively, the three primary colors, namely red, green and blue, are detected in a same pixel to realize color imaging. The color imaging method includes the steps of: imposing a positive pulse Vb on the grid electrodes, forming an exhausting layer of certain depth on a P-type silicon semiconductor to absorb blue light photon, and changing the pulse voltage of the grid electrodes in order to absorb red light photon and blue light photon. The color imaging method has the advantages that color blending phenomenon in traditional color imaging method is avoided, quantum efficiency is improved, technological process is simple, cost is low, and scalability of pixels is good.

The invention relates to a combination method of a heat collection, ventilation and humidity regulation integrated building in the technical field of buildings, a wall body of the heat collection, ventilation and humidity regulation integrated building is bent inwards and downwards on the top surface of the building to form a funnel shape, and the bottom of the funnel shape is a funnel bottom hole; a convex permeable mirror is arranged at the opening part of the funnel; an inverted circular truncated cone-shaped light-transmitting glass wall is arranged at the lower part of a bottom hole of the funnel; a phase change heat storage cavity is formed in the light-transmitting glass wall and located at the focus position of the convex water permeable mirror. The method comprises the following steps: arranging a circular base; arranging a heat storage system; erecting a main body structure; laying a thermal insulation layer and assembling main body structure accessories; and installing a convex water permeable mirror system and a refraction film system. The obtained product can gather the sunlight energy and uniformly distribute the sunlight energy in the indoor environment, can be used for building heat preservation, and meanwhile solves the problem of indoor heating when no sunlight exists at night. In addition, the problem of indoor ventilation can be solved through hot-pressing ventilation, and the effects of evaporating condensate water and humidifying air are achieved.