43results about How to "Ensure coating uniformity" patented technology

The invention relates to a lithium-ion battery and a preparation method thereof. The lithium-ion battery comprises (1) a positive plate, (2) a negative plate, (3) a membrane, (4) an electrolyte and (5) an aluminum-plastic packaging film, wherein surface modification treatment is carried out on at least one of the manufactured positive plate and negative plate in a coiled coating manner; and a layer of nanofilm evenly coats the surface of an electrode material of at least one of the positive plate and the negative plate and an area, which is not covered with the electrode material, of a current collector corresponding to the plate. Meanwhile, the invention discloses preparation methods of the positive plate, the negative plate and the battery. The preparation method of the lithium-ion battery is simple, efficient and good in repeatability; the prepared lithium-ion battery has good cycle performance, high-temperature storage performance and safety performance in extreme cases of puncture and the like; and large-scale production of the high-energy density and high-safety lithium-ion battery can be really achieved.

Disclosed are a separator and an electrochemical device including the same. The separator includes: a porous polymer substrate having a plurality of pores; a separator base including a porous coating layer formed on at least one surface of the porous polymer substrate, and including a plurality of inorganic particles and a binder polymer disposed partially or totally on the surface of the inorganic particles to connect and fix the inorganic particles with each other; and an adhesive porous layer formed on at least one surface of the separator base and including an adhesive resin which shows adhesive property through heating at a temperature lower than the melting point of the porous polymer substrate, wherein the adhesive porous layer is provided with a porous structure formed by phase separation caused by the evaporation rate of a solvent and that of a non-solvent, when applying and drying a coating composition including the adhesive resin, the solvent and the non-solvent on at least one surface of the separator base.

The thermal spraying manufacture and repair method for corrugated roller comprises: processing the gear form of roller; taking nitridation or carbonization- nitridation treatment to the gear; localized heat quenching and tempering to roller gear; taking abrasion resistant coating strengthen treatment to tooth surface. By drawing roller section gear form figure and plotting horizontal line and tangent line to calculate the spraying point and abrasion resistant coating, this invention can ensure coating evenness, obtains clean and rigid work surface, improves roller properties, and increases roller economical benefit.

In a method of producing a grain-oriented electrical steel sheet by hot-rolling a steel slab of a chemical composition containing C: 0.001˜0.10%, Si: 1.0˜5.0%, Mn: 0.01˜1.0%, at least one of S and Se: 0.01˜0.05% in total, sol. Al: 0.003˜0.050%, N: 0.001˜0.020% by mass, subjecting to cold rolling, a primary recrystallization annealing, application of an annealing separator mainly composed of MgO and a finish annealing, a temperature rising rate S1 between 500˜600° C. in the primary recrystallization annealing is made to not less than 100° C./s and a temperature rising rate S2 between 600˜700° C. is made to 30° C./s˜0.6×S1° C./s, while a total content W (mol %) of an element having an ionic radius of 0.6˜1.3 Å and an attracting force between the ion and oxygen of not more than 0.7 Å⁻² included in the annealing separator to MgO is adjusted to satisfy 0.01S2-5.5≦Ln (W)≦0.01S2−4.3 to produce a grain-oriented electrical steel sheet having excellent iron loss properties and coating properties.

An active liquid applicator is provided which is designed to coat a surface of an electronic parts such as an oxygen sensor with an active liquid for forming an electrode. The liquid applicator includes a nozzle head and a nozzle tube. The nozzle tube has disposed therein a pearmable member which produces capillary attraction of an active liquid thereinto and feed it to the nozzle head, thereby enabling formation of a thin active film on the electronic part which has the thickness controllable with high accuracy.

A chemically amplified positive resist composition comprising (A) a substantially alkali insoluble polymer having an acidic functional group protected with an acid labile group, (B) an acid generator, and (C) a perfluoroalkyl ethylene oxide adduct or a nonionic fluorinated organosiloxane compound is coated, exposed to UV radiation having a wavelength of at least 150 nm, and developed. The composition has advantages of uniformity and minimized edge crown upon coating, and no scum formation after development.

The invention provides a novel paint roller. The novel paint roller comprises a rotating shaft, a drum, an elastic brush bristle sleeve, a tank and a brush handle; the rotating shaft is inserted in the drum in a penetrating mode, and is slidingly connected with the drum; the elastic brush bristle sleeve coats the drum; the tank is arranged on the rotating shaft; and the rotating shaft is arranged on the brush handle. The novel paint roller has the following beneficial effects that the drum rotates around the rotating shaft to coat paint of the elastic brush bristle sleeve on an object; the elastic brush bristle sleeve in the tank is wetly dipped in the tank arranged on the rotating shaft; the drum rotates out the part, wetly dipped by the paint, of the elastic brush bristle sleeve, and the paint is coated on the object, so that the paint dipping step is reduced; and excessive paint on the elastic brush bristle sleeve is scraped off by a scraper tightly pressed on the elastic brush bristle sleeve, so that the paint falling is prevented, the uniform wettability of the elastic brush bristle sleeve is kept, and the coating uniformity is guaranteed.

The invention relates to a self-adjustment type spraying equipment carrier platform. The platform is characterized in that the platform comprises a bottom plate (1), a power cabinet (9), a material storage tank (11) and a hydraulic cylinder (2) are arranged on the bottom plate (1), a support body (4) is connected to an output shaft (3) of the hydraulic cylinder (2), an infrared distance meter (5), a spray gun tube fixing table (7) and a push rod (8) are arranged on the support body (4) respectively, and a group of universal wheels (18) are arranged at the bottom of the bottom plate (1). The self-adjustment type spraying equipment carrier platform is simple in structure, convenient to operate and capable of achieving real-time accurate control over spraying height, the spraying uniformity is guaranteed, the manual work intensity is reduced, and the spray construction efficiency is greatly improved.

The invention discloses an optical blanking structure for a refrigeration type infrared detector. The optical blanking structure comprises a mounting frame and a UV curing machine, wherein a scraper is detachably connected to the bottom of the mounting frame, a storage box is fixedly connected to one side of the surface of the mounting frame, a discharging pipe is fixedly connected to the bottom of the storage box, and a chute is formed in the interior of the discharging pipe in a horizontal direction. By using the optical blanking structure disclosed by the invention, a coating is added in a direct discharging mode of the storage box, and the scraper is adopted for scraping; and compared with a traditional coating mode of a coating roller, a coating thickness and the coating uniformity on the surface of a base material can be better guaranteed, the smoothness and the glossiness of the coating are improved, and then the subsequent film forming quality is improved. The surface of a coating layer is pretreated through a high temperature generated by an electric heating wire, so that the surface of the coating layer is dried firstly, the situation that the surface coating deviates in the conveying and moving process of the base material is avoided, the disadvantage that curing o fa surface layer is unstable due to direct UV light curing is overcome at the same time, and a film forming thickness and the film forming quality of the blanking structure are further improved.

The invention discloses furniture spraying equipment, and belongs to the technical field of spraying. The furniture spraying equipment comprises a fixing frame, wherein a dustproof cover is fixedly installed on one side of the fixing frame, a spraying pump is fixedly installed on the other side of the fixing frame, a plurality of material conveying rollers are in transmission connection with the bottom of the fixing frame, the material conveying rollers are located in the dustproof cover, an opening is formed in the position, corresponding to one side of the fixing frame, of the dustproof cover, and a linear module is fixedly assembled at the position, corresponding to the opening, of one side of the fixing frame. According to the furniture spraying equipment, the relative unfolding radian of a laminating part is adjusted and controlled through the unfolding distance of the laminating part, so that the radian of the wrinkle part on the surface of furniture is effectively adapted; and in addition, a spraying material is atomized through the spraying pump and then is fed into spraying nozzles on the two sides of the bottom of the laminating part, the spraying nozzles are attached to the wrinkle part of the furniture so that the wrinkle part and the arc-shaped surface of the bottom can be subjected to quantity-controlled spraying treatment, the adjusting and adapting capacity of spraying of the wrinkle part is effectively improved, the spraying machining precision and effect are improved, and the use requirements are met.

The invention relates to the technical field of cold rolling treatment equipment, in particular to a cold rolling treatment device for high-quality steel preparation. A cold rolling treatment device for high-quality steel preparation comprises a machine base, a roll bearing mechanism is rotationally connected between the inner surfaces of the machine base, a cold-rolled steel strip is wound on the surface of the roll bearing mechanism, a dust suction hood, a servo motor and a top frame are fixedly installed on the surface of the machine base, and a rotating shaft is rotationally connected to the inner wall of the dust suction hood; a set of exhaust fans are fixedly installed on the circumferential side face of the rotating shaft, the output shaft end of the servo motor is in transmission connection with the roll bearing mechanism through a chain a, two sets of vertically-arranged elastic pressure exerting pieces are installed on the inner wall of the top frame, and the bottom face of the top frame is connected with a liquid coating mechanism through the two sets of elastic pressure exerting pieces. The device has the beneficial effects that through the design of the wall cleaning mechanism and the liquid coating mechanism, the device can efficiently complete rolling, cleaning and surface anti-oxidation treatment operation in the cold-rolled steel strip treatment process in an automatic mode.

The invention relates to a manufacturing method of a shielding frame and an ultrathin substrate film solar cell. The shielding frame is formed by a rectangular upper frame and a rectangular lower frame, which are up-down arranged in the thickness direction, so the effect of preventing the edge and back face of the ultrathin substrate from being plated the film can be achieved, the edge packaging is more reliable and reliability of an electronic device can be ensured for the long time. Different sizes of shielding frames are used in all film plating processes, so mutual insulation is formed among all film layers, and the edge of the device is prevented from having an electric leakage. During the film plating process, the shielding frame is used for pressing the edge of the ultrathin substrate, so the periphery of the ultrathin substrate is prevented from being cocked, and the substrate can be effectively heated, thereby ensuring uniformity of the plated film and improving performance of the film electronic device. By use of the shielding frame, an edge film layer removing procedure in the traditional process is omitted, so production technique is simplified, production efficiency is improved and damage to a cell sheet possibly caused by an edge removing process is avoided.

The invention provides a process for horizontal coating of intrinsic silicon based on an LPCVD technique. The process comprises the steps that oxidized intrinsic silicon is horizontally placed in quartz boats spaced from each other by a certain distance back to back, a furnace body is sealed, the temperature is increased, silicane is guided into the furnace body for a reaction, and nitrogen is guided into the furnace body to repel a precursor; the temperature is decreased, and the pressure returns; and the quartz boats containing silicon wafers are pulled out of a furnace tube. According to the process for horizontal coating of the intrinsic silicon based on the LPCVD technique, a horizontal wafer-insertion coating process is adopted, and compared with vertical coating, gas turbulence in the tube can be reduced, and the coating uniformity in the wafers is guaranteed; and the wafers are horizontally inserted and are horizontally overlapped by means of gravity, so that the wafers are arranged stably, the disturbance of high temperature, air flow and vibrations on the horizontally-inserted silicon wafers is small, and slight raydent coating is generated on the back sides of the silicon wafers by the air flow.

The embodiment of the invention provides semiconductor process equipment. The semiconductor process equipment is used for carrying out a rare earth deposition process on a substrate, and comprises anelectrode assembly and an air inlet mechanism which are arranged on the top wall of a process chamber and extend in a first direction; the air inlet mechanism is arranged around the electrode assembly; a moving mechanism is arranged at the bottom in the process chamber, extends in a second direction and is used for bearing and driving the substrate to move in the second direction, and the second direction is intersected with the first direction; and an air extracting mechanism is arranged on the top wall of the process chamber and communicates with the process chamber, the air extracting mechanism is located on one side of the electrode assembly, the air extracting mechanism is provided with an air extracting opening in the process chamber, and the air extracting opening extends in the first direction and is close to the air inlet mechanism and used for enabling process gas in the process chamber to evenly pass through the surface of the substrate. According to the semiconductor process equipment, the sputtering rate of the target material can be greatly improved while the coating uniformity is ensured, so that the production cost is greatly reduced.