67results about How to "Improve uniformity" patented technology

The invention relates to a high-power plasma microwave resonant cavity for a PCVD (Plasma Chemistry Vapor Deposition) optical fiber preform machining tool. The resonant cavity comprises resonant cavity shells and a waveguide device connected with the resonant cavity shells, and is characterized in that the resonant cavity is provided with two bilateral symmetric and coaxial resonant cavity shells, wherein the waveguide device is arranged on one side in the middle of the two coaxial resonant cavity shells in the direction perpendicular to the center line, the front end of the waveguide device is connected with the two resonant cavity shells through a binary power meter, the power of a microwave source is divided into two portions by the binary power meter, and the two portions of power are respectively fed into the two coaxial resonant cavity shells. Not only the feed-in power of the resonant cavity can be effectively improved, but also the leakage of microwave can be effectively reduced; two coaxial resonant cavities can produce two plasmas moving longitudinally when a liner tube is machined, thus effectively improving the deposition rate and the deposition efficiency; the fluctuations of deposition glass for the two coaxial resonant cavities in the axial direction can be counteracted to improve the uniformity of a preform and improve the machining precision and the quality parameter of optical fibers; and the resonant cavity is reasonable in setting and simple in structure.

The present invention relates to a photoresist composition for an MMN (multi-micro nozzle) head coater, more particularly to a photoresist composition comprising a novolak resin with a molecular weight ranging from 2000 to 12,000, a diazide photoactive compound, an organic solvent, and a Si-based surfactant for use in liquid crystal display circuits.

The photoresist composition for liquid crystal display circuits of the present invention solves the stain problem, which occurs in MMN head coaters used for large-scale substrate glass, and improves coating characteristics, so that it can be utilized industrially and is expected to significantly improve productivity.

A thin film deposition apparatus and method are disclosed in this invention. The apparatus includes a depositing thin-film particle source, a beam-defining aperture between the particle source and the deposited substrate(s), and a substrate holder to rotate the substrate(s) around its center and move the center along a lateral path so that the substrate(s) can scan across the particle beam from one substrate edge to the other edge. The method includes a step of providing a vacuum chamber for containing a thin-film particle source for generating thin-film particles to deposit a thin-film on the substrates. The method further includes a step of containing a substrate holder in the vacuum chamber for holding a plurality of substrates having a thin-film deposition surface of each substrate facing the beam of thin-film particles. The method further includes a step of providing a rotational means for rotating the substrate holder to rotate each of the substrates exposed to the thin-film particles for depositing a thin film thereon. And, the method further includes a step of providing a laterally reciprocal moving means for reciprocally moving said substrate holder for said beam traversing on said substrate holder from one side of the edge to the other side of the edge or at least passing through the central area of said substrate holder.

An improved lamp fixture with anti-glare function is disclosed, which comprises: a lamp; a light source; and a light-control unit, composed of a semi-Fresnel microstructure and a light-control microstructure; wherein the light source and the light-control unit are mounted on the lamp; and the semi-Fresnel microstructure is used for diffusing/collimating light of the light source while the light-control microstructure is used for controlling the resulting lighting angle. With the aforesaid lamp fixture, not only glare can be prevented, but also uniformity of the lamp fixture is improved.

A liquid-cooled LED (light-emitting diode) lamp comprises a lampshade, a light source component and a radiating device. The lampshade covers a radiator and encloses a sealed space, the light source component is contained in the sealed space, the radiating device comprises a heat conductor, a radiator and radiating fins, the light source component is fixedly arranged in the heat conductor, the lampshade is connected with the radiator, the radiator is provided with a containing cavity filled with radiating liquid, the heat conductor is hermetically connected with the containing cavity, at least part of the heat conductor is inserted into the containing cavity, and the radiating fins are arranged on the radiator. As the radiating liquid is high in uniformity and heat capacity, heat generated by an LED bulb in operation can be uniformly absorbed by the radiating liquid, and damage to the LED lamp caused by incapability of dissipating a large amount of heat in a short time due to small heat capacity is avoided.

The invention discloses a pulse type spray-dyeing system for a dyeing machine and a control method of the pulse type spray-dyeing system.The system mainly comprises a sprinkler spraying pipe, a spraying pipe assembly, a dyeing liquid distributing pipe, a dyeing liquid pump, a valve, a spraying pipe supporting frame, a motor, a gearbox, a worm, worm gear, a counting gear, a sensor, a power shaft and other components.The starlike spraying pipe and the sprinkler spraying pipe are used for spray-dyeing fabric in the upper direction and the lower direction, and the uniformity of dyeing can be effectively improved.According to a spray-dyeing method, the flow and pressure of dyeing liquid jetting are controlled through a central control unit according to the character and winding thickness of the fabric, and therefore the dyeing quality can be effectively controlled.According to the spray-dyeing technology, assistants and dyes can be obviously saved, waste liquid emissions can be reduced, and very obvious economic and social benefits are achieved.

The invention discloses a hanger assembly and an equipment assembly. The hanger assembly is used for being installed on surface treatment equipment, and the surface treatment equipment is used for conducting surface treatment on a product hung on the hanger assembly. The surface treatment equipment comprises a tank body and an air stirring assembly arranged in the tank body, the hanger assembly comprises a plurality of hangers arranged at intervals and a plurality of partition plates arranged at intervals, the hangers are used for hanging products, at least one hanger exists between every two adjacent partition plates, and when the hanger assembly is installed on the surface treatment equipment, the products are soaked into a surface treatment solution. Thus, when the hanger assembly is installed on the surface treatment equipment, the tank body can be divided into a plurality of areas through the partition plates, when air stirring is carried out, the surface treatment solution can only flow back or be gathered with the product on the hanger between every two adjacent partition plates as the center, the stirring uniformity is improved, difference such as gloss or chromatic aberration generated when the surfaces of the products are treated can be effectively avoided, and the yield of the products is increased.

The invention discloses a backlight module and a display device, and relates to the technical field of displaying. According to the embodiment of the invention, a light compensation structure is additionally arranged on the non-light emitting surface of a LED substrate in the backlight module, and an opening structure is arranged on the LED substrate, so that lights emitted by the LED substrate can be compensated through the cooperation of the light compensation structure and the opening structure, local excessively dark conditions are avoided, the uniformity of light emission of the backlightmodule is improved, thereby improving the display effect of the display device.

The invention discloses a dandelion sowing device which is high in sowing efficiency and can further ensure the sowing quality.The dandelion sowing device comprises a push rod, a support, hanging rods, wheels and seed boxes.The support is welded to the lower end of the push rod.The hanging rods are welded to the two ends of the support respectively.Every two wheel carriers are connected into a whole through a connecting rod to form a sowing unit.The outer side of each connecting rod is wrapped by an elastic fixing belt.The seed boxes are located in the spaces formed by the connecting rods and the elastic fixing belts.Two short shafts of each sowing unit are connected with one ends of the corresponding hanging rods respectively in a clamped mode.By means of the structure that the push rod is connected with the support which is connected with the wheels through the hanging rods, the seed boxes are put in the spaces formed by the connecting rods and the elastic fixing belts.In work, people only need to push the push rod and make the seed boxes roll forwards along with the wheels, dandelion seeds can uniformly leak out of the seed boxes from seed holes.Thus, the sowing efficiency is high, and the uniformity of sown seeds is high.

The invention provides a display screen brightness adjusting method and system. The method comprises the following steps: obtaining current brightness value of each pixel point of a display screen under a frame in preset gray scale, wherein the preset gray scale is any gray scale lower than a preset gray scale threshold value; determining target brightness value of each pixel point; and carrying out brightness adjustment on a part of or all pixel points according to the current brightness value and the target brightness value of each pixel point to enable each pixel point to reach the target brightness. The display screen brightness adjusting method and system improve uniformity of display brightness of the liquid crystal screen and enable the liquid crystal screen to be able to restore real frame information more accurately.

The invention discloses a laser acceleration proton beam homogenization method and device. According to the beam homogenization transmission line, a combination of a quadrupole magnet and a high-order magnet is adopted, beam homogenization operation is carried out on a proton beam in the X direction and the Y direction, and the cross section of the proton beam is gradually changed into a rectangular beam which is uniformly distributed; according to the method, a control method that a traditional cancer treatment accelerator uses continuous scanning and dose superposition is abandoned, an original Gaussian distribution beam bunch is optimized into a relatively regular rectangle with uniformly distributed particles, and the application of rectangular beam spots enables a scanning and superposition irradiation area to cover a focus without overlapping; the utilization rate of particles generated by laser can be maximized, and the particles can be converted into a rectangular beam which is easier to control, so that step scanning can be conveniently carried out in the treatment process, and an irradiated focus can be ensured to receive uniform and controllable dose irradiation; according to the invention, the high-order magnet is adopted to complete the optimization of the uniformity of the laser-driven proton beam, and the project of a laser-driven proton treatment device is promoted.

The invention relates to a device and method for improving a finishing temperature of oriented silicon steel. The device comprises two hot mill rails, a steel template and a heat insulation plate are arranged on the hot mill rails, the steel template is arranged on the hot mill rails along the hot mill rails, the two sides of the steel template are bent downward to form side plates, the two hot mill rails are clamped between the two side plates, the two ends of the steel template are bent downward to form baffles, the two hot mill rails are clamped between the two baffles at the two ends of the steel template, the heat insulation plate is arranged on the steel template, and the heat insulation plate is fixed on the steel template through pressing strips. The method includes the step of enabling a forging stock to keep making contact with the heat insulation plate which is fixed on the hot mill rails. Through the device and method for improving the finishing temperature of the oriented silicon steel, the average finishing temperature of hot rolled plates is increased from 865 DEG C to 901 DEG C, the average magnetic induction intensity is increased from 1.865T to 1.895T, and the product percent of pass is increased from 52% to 93%.

The invention belongs to the calibration field of a temperature sensor, and relates to a backflow type high temperature hot wind tunnel structure for calibrating the temperature sensor. The backflow type high temperature hot wind tunnel structure includes an air compressor (1), an air storage tank (2), a control valve (3), a first convergence section (4), a mixing section (5), a diffusion section (6), a heating section (7), a second convergence section (8), and a test section (9). The backflow type high temperature hot wind tunnel structure is characterized by comprising a jet injection section (10), a semicircle section (11), and a backflow section (13). The backflow type high temperature hot wind tunnel structure for calibrating the temperature sensor greatly improves the uniformity of a temperature field, decreases the dispersibility of calibration data, reduces the energy consumption and the calibration cost, and is suitable for static state metering detection.

The invention discloses a top gate structure metallic oxide thin film transistor for improving device uniformity and a manufacture method thereof and relates to the field of thin film transistors. The thin film transistor comprises a substrate, an active layer auxiliary electrode, an active layer, an insulating layer, a grid electrode, a source electrode and a drain electrode, wherein the active layer auxiliary electrode is arranged on the substrate, the active layer is arranged on the active layer auxiliary electrode, the source electrode is arranged at one end of the upper side of the active layer, the drain electrode is arranged at the other end of the upper side of the active layer, the insulating layer is arranged on the middle portion of the upper side of the active layer, the grid electrode is arranged above the insulating layer, and the active layer is of a composite membrane layer structure or a mono membrane layer structure. When the active layer is of the composite membrane layer structure, an oxygen lacking type metallic oxide membrane layer and an oxygen enrichment type metallic oxide membrane layer are sequentially arranged from bottom to top, and when the active layer is of the mono membrane layer structure, a metallic oxide membrane layer is arranged. The top gate structure metallic oxide thin film transistor is specific to the active layer structure, reduces contact resistance through a method of increasing the active layer auxiliary electrode, and can effectively improve the uniformity of the thin film transistor due to the fact that the auxiliary electrode is manufactured below the active layer.