35results about How to "Solve the problem of unevenness" patented technology

The invention discloses a high speed PCB laminating method, which comprises following specific implementation processes that a stacked layer is laminated through upper and lower steel plates; the stacked layer comprises a copper foil layer and a plurality of core plate layers in order from top to bottom; prepregs are respectively set between the copper foil layer and the adjacent core plate layers, and between the adjacent core plate layers; and the two steel plates are thick in the middle and thin at two edges. By adopting the high speed PCB laminating method, the problem of uneven insulating layers during the PCB laminating process due to adhesive overflowing at the edges is solved effectively in comparison with the existing technology; the thickness evenness of the PCB insulating layers manufactured by the technical solution is within the range of plus or minus 5 %; and the problem of edge part layering due to the fact that resin in the prepregs flows out and causes the edges lack of adhesive doesn't exist, thus good manufacturability is provided for the high speed PCB; the practicality is strong; and the high speed PCB laminating method provided herein is easily popularized.

The invention discloses a multifunctional transverse flow type heat source tower device which comprises a heat source tower body, an air flowing return circuit and a solution flowing return circuit, wherein the air flowing return circuit and the solution flowing return circuit are arranged in the heat source tower body. The air flowing return circuit comprises an air outlet which is formed in the top of the heat source tower body, air inlets which are formed in the two sides of the middle portion of the heat source tower body, fillings which are symmetrically arranged on the two sides of the inner portion of the heat source tower body and face towards the air inlets, liquor drifting resistant devices which are sequentially arranged below the air outlet from bottom to top, a speed changing draught fan and a self-open type rainproof device. The solution flowing return circuit comprises a liquor distributing system which is arranged above the fillings and placed inside the heat source tower body, fillings and a liquor collecting pool which is placed at the bottom of the heat source tower body, the liquor collecting pool is placed below the fillings, and a heat source tower solution outlet is formed in the bottom of the liquor collecting pool. The multifunctional transverse flow type heat source tower device can prevent rainwater from entering a heat source tower and diluting a solution, reduce solution mass loss caused by solution drifting, achieve the objective that a heat source tower can efficiently and stably operate.

The invention discloses an enameled wire varnishing device comprising a varnishing slot and a paint scraping slot which are arranged in parallel. A rotating wheel frame is erected in the paint scraping slot. The rotating wheel frame is provided with multiple bearing holes. Bearings are installed in the bearing holes. Rotating wheels are installed in the front of the bearings. The centers of the rotating wheels are through and forwardly concave so as to form felt accommodating holes. Felt blocks are arranged in the felt accommodating holes. The centers of the felt blocks are provided with paintscraping holes. Enameled wires to be processed penetrate through the paint scraping holes and concentric with the paint scraping holes. The external circle of each rotating wheel is provided with a trapezoidal slot which is internally provided with a triangle belt. The triangle belt is driven by a motor. The advantages of the enameled wire varnishing device are that the excessive paint is uniformly scraped in the process that the enameled wires to be processed penetrate through the rotating paint scraping holes so that the paint thickness of the enameled wires to be processed is enabled to beuniform at all directions and the problem of non-uniformity of all directions can be greatly solved.

The invention provides a display and a coating method for a polyimide resin layer in a display module of the display.The coating method comprises the steps that a non-display area of a substrate to be coated is coated with a polyimide acid material, and a display area of the substrate to be coated is coated with the polyimide acid material, wherein the leveling property of the polyimide acid material coated to the non-display area is superior to that of the polyimide acid material coated to the display area, and an overlaying layer is formed between the polyimide acid material coated to the non-display area and the polyimide acid material coated to the display area; high-temperature curing is conducted on the substrate coated with the polyimide acid material so that the continuous and integrated polyimide resin layer can be formed on the display area and the non-display area.According to the coating method for the polyimide resin layer in the display module, under the situation that a flat layer is not used, the method that before normally coating a display area PI layer, the edge area is coated with a circle of PI layer easily and effectively solves the problem that the leveling property of the PI on the edge is not good.

The invention discloses a multifunctional transverse flow type heat source tower device which comprises a heat source tower body, an air flowing return circuit and a solution flowing return circuit, wherein the air flowing return circuit and the solution flowing return circuit are arranged in the heat source tower body. The air flowing return circuit comprises an air outlet which is formed in the top of the heat source tower body, air inlets which are formed in the two sides of the middle portion of the heat source tower body, fillings which are symmetrically arranged on the two sides of the inner portion of the heat source tower body and face towards the air inlets, liquor drifting resistant devices which are sequentially arranged below the air outlet from bottom to top, a speed changing draught fan and a self-open type rainproof device. The solution flowing return circuit comprises a liquor distributing system which is arranged above the fillings and placed inside the heat source tower body, fillings and a liquor collecting pool which is placed at the bottom of the heat source tower body, the liquor collecting pool is placed below the fillings, and a heat source tower solution outlet is formed in the bottom of the liquor collecting pool. The multifunctional transverse flow type heat source tower device can prevent rainwater from entering a heat source tower and diluting a solution, reduce solution mass loss caused by solution drifting, achieve the objective that a heat source tower can efficiently and stably operate.

The invention discloses an enameled wire varnishing device comprising a varnishing slot and a paint scraping slot which are arranged in parallel. A rotating wheel frame is erected in the paint scraping slot. The rotating wheel frame is provided with multiple bearing holes. Bearings are installed in the bearing holes. Rotating wheels are installed in the front of the bearings. The centers of the rotating wheels are through and forwardly concave so as to form felt accommodating holes. Felt blocks are arranged in the felt accommodating holes. The centers of the felt blocks are provided with paintscraping holes. Enameled wires to be processed penetrate through the paint scraping holes and concentric with the paint scraping holes. The external circle of each rotating wheel is provided with a trapezoidal slot which is internally provided with a triangle belt. The triangle belt is driven by a motor. The advantages of the enameled wire varnishing device are that the excessive paint is uniformly scraped in the process that the enameled wires to be processed penetrate through the rotating paint scraping holes so that the paint thickness of the enameled wires to be processed is enabled to beuniform at all directions and the problem of non-uniformity of all directions can be greatly solved.

The invention relates to a rotating stand device applied to magnetron sputtering. The rotating stand device comprises a reaction cavity, a working tray, a spindle and a working tray moving mechanism,wherein the reaction cavity is composed of side walls, a top plate and a bottom plate, and the working tray, the spindle and the working tray moving mechanism are arranged in the reaction cavity. Therotating stand device is characterized in that a base station is arranged in the reaction cavity and divides the reaction cavity into an upper cavity body and a lower cavity body, and the working trayis arranged on the spindle; and the working tray moving mechanism comprises a rotation mechanism and a revolution mechanism. The rotating stand device has the beneficial effects that the disadvantagethat a traditional workpiece rotating stand is simplex in rotating mode is overcome, the degree of freedom of workpiece movement is increased, thus all faces of a workpiece can be evenly covered withparticles sputtered by target materials, the problem that coatings of seamed edges of the workpiece are uneven is effectively solved, and the effect of the coatings is enhanced.

The invention belongs to the technical field of anti-counterfeiting marks, and particularly relates to a magic particle feature recognition anti-counterfeiting card and a preparation method thereof. The card comprises a local covering layer, a first plastic film layer, a local uncovering layer, a first adhesive layer, a random identification mark layer, a second printing layer and a base materiallayer which are sequentially arranged from top to bottom. The random identification mark layer comprises a first printing layer, a second plastic film layer, a random physical characteristic layer, athird plastic film layer, a color ink layer and a second adhesive layer which are sequentially arranged from top to bottom, information of the first printing layer comprises variable information, andthe random physical characteristic layer is composed of random physical characteristics and an adhesive; a corresponding relationship exists between the variable information and the random physical characteristics; the second printing layer information comprises variable information, and the variable information of the second printing layer and the variable information of the first printing layerhave a corresponding relation; the local uncovering layer is arranged above the variable information of the second printing layer; and the partial covering layer covers part or all of the variable information of the second printing layer. The anti-counterfeiting effect is good, and the preparation method is simple.

The invention provides a voltage output method, device, controller and storage medium, which are applied to a pixel circuit including a driving thin film transistor, and the first voltage and the second voltage are respectively applied to the control terminal and the output terminal of the driving thin film transistor to obtain the driving The output voltage of the output terminal of the thin film transistor is stabilized, and it is judged whether the difference between the output voltage and the standard voltage satisfies the preset condition. When the preset condition is not met, the first voltage is updated according to the output voltage and the standard voltage, and the corresponding target is obtained. voltage, and return to the step of applying the first voltage and the second voltage to the control terminal and the output terminal of the driving thin film transistor, respectively, until the preset condition is met, then adding all the target voltages to obtain the threshold voltage of the driving thin film transistor, and Output threshold voltage; this solution can improve the detection accuracy of the threshold voltage of the driving thin film transistor, so as to better solve the problem of uneven display of the OLED display.

The invention discloses a painting device for a chain wheel type enameled wire. The painting device comprises a painting groove. The painting groove is divided into a paint groove and an empty groove.A paint turning roller is arranged in the paint groove, and a plurality of oil collecting grooves are uniformly distributed in the paint turning roller. A gear frame is erected in the empty groove. The paint turning roller and the gear frame are longitudinally arranged. A driving motor and a plurality of chain wheel assemblies are arranged on the gear frame. A driving wheel is arranged at the front end of the driving motor. A transmission chain is arranged on the driving wheel. A felt block is arranged on the chain wheel assemblies. A paint scraping hole is formed in the center of the felt block. A to-be-processed enameled wire sequentially passes through the oil collecting grooves and the paint scraping hole and is concentric with the paint scraping hole. The transmission chain drives the chain wheel assemblies and the felt block on the chain wheel assemblies to rotate around the enameled wire. During the rotating process of the paint scraping hole of the felt block, the excessive paint can be wiped off. Therefore, the to-be-processed enameled wire is uniform in paint thickness in all directions. The problem that the paint thickness is uneven in all directions can be well solved.

A faceplate of liquid crystal display sets opening on position of wire corresponding to colour filtering substrate to solve problem of convex structure formed by overlap of filtering layers and problem of nonuniformity of gap between liquid crystal particles caused by higher height of wire on bottom substrate corresponding to colour filtering substrate so that the on - specification rate and quality of liquid crystal faceplate can be raised.

The invention discloses a crawler belt-driving painting device comprising a painting groove (1); the features are that the painting groove is divided into a paint slot and a hollow slot; a painting roller is arranged in the paint slot; the painting roller is provided with a plurality of oil gathering ring slots; a roller rack is arranged in the hollow slot, and provided with a plurality of step holes, wherein each step hole is provided with a rotatable roller assembly; the roller assembly is provided with a felt block; a wiping hole is arranged in the center of the felt block, and serves as the rotary center of the roller assembly; each wiping hole is matched with one oil gathering ring slot; a to-be-processed enamelled wire passes the oil gathering ring slot, and penetrates the wiping hole; the advantages are that in the process of the to-be-processed enamelled wire passing the rotating wiping hole, the excess paint material can be evenly wiped off, so the painting material thicknesscan be even in all directions of the to-be-processed enamelled wire, thus well solving the uneven problems in various directions.

The invention relates to a material evenly-distributing device of a horizontal type telescopic material distributing belt, and belongs to the field of belt logistic conveying. The material evenly-distributing device comprises the horizontal type telescopic material distributing belt, an optoelectronic switch, a shrunk pole limiting proximity switch induction sheet, an extended pole limiting proximity switch induction sheet, a shrunk pole limiting proximity switch, an extended pole limiting proximity switch, a material distributing platform, an industrial computer system, an alarm lamp, an alarm bell, ascended pole limiting proximity switches of sliding bearings I / II, descended pole limiting proximity switches of the sliding bearings I / II, a fixed bearing I, a fixed bearing II, a fixed bearing III, a fixed fixing IV, the sliding bearing I, the sliding bearing II, a sliding bearing III, ascended pole limiting proximity switch induction sheets of the sliding bearings I / II and descended pole limiting proximity switch induction sheets of the sliding bearings I / II. The material evenly-distributing device solves the problem of uneven material distribution of the horizontal type telescopic material distributing belt and reduces workloads, and the service life of the material evenly-distributing device of the horizontal type telescopic material distributing belt is prolonged..

The invention discloses a straight-tooth type lacquering groove, which comprises a paint groove and an empty groove. A rotating wheel frame and a spur rack are arranged in the empty groove. A plurality of bearing holes are formed in the rotating wheel frame. A bearing is arranged in each bearing hole and the front head of the bearing is provided with a rotating wheel. The centers of all rotating wheels are communicated with one another and are indent forwards to form a felt hole. A felt block is arranged in the felt hole. A paint scraping hole is formed in the center of the felt block. A to-be-processed varnished wire passes through the paint scraping hole and is concentric with the paint scraping hole. A plurality of straight teeth are arranged on the outer periphery of the rotating wheel. The straight teeth are meshed with the spur rack. The spur rack is driven by a rack motor. The rack motor is installed on the outer side edge of the empty groove. According to the invention, when the to-be-processed varnished wire passes through the rotating paint scraping hole, the excessive paint can be uniformly wiped off. Therefore, the to-be-processed varnished wire is uniform in paint thickness in all directions. The problem that the paint thickness is uneven in all directions can be well solved.

The invention provides a display and a coating method for a polyimide resin layer in a display module of the display.The coating method comprises the steps that a non-display area of a substrate to be coated is coated with a polyimide acid material, and a display area of the substrate to be coated is coated with the polyimide acid material, wherein the leveling property of the polyimide acid material coated to the non-display area is superior to that of the polyimide acid material coated to the display area, and an overlaying layer is formed between the polyimide acid material coated to the non-display area and the polyimide acid material coated to the display area; high-temperature curing is conducted on the substrate coated with the polyimide acid material so that the continuous and integrated polyimide resin layer can be formed on the display area and the non-display area.According to the coating method for the polyimide resin layer in the display module, under the situation that a flat layer is not used, the method that before normally coating a display area PI layer, the edge area is coated with a circle of PI layer easily and effectively solves the problem that the leveling property of the PI on the edge is not good.