92results about How to "Guaranteed surface flatness" patented technology

The invention discloses an array substrate, a preparation method thereof and a display panel, which are used for preventing a semiconductor region of an active layer of a thin film transistor from being illuminated, improving the working stability of the thin film transistor, avoiding uneven display pictures and improving the display effect. The array substrate comprises a substrate body, a shading layer located on the substrate body, a buffer layer located on the shading layer, an active layer located on the buffer layer and a shading part. The buffer layer is provided with a groove. The active layer includes a semiconductor region, and a first conductive region and a second conductive region connected to the semiconductor region. The semiconductor region and the shading part fill the groove. The orthographic projection of the shading part on the substrate is annular, the side surface of the semiconductor region is completely surrounded by the shading part, and the first conductor region and the second conductor region are located above the shading part and the semiconductor region. The orthographic projection of the shading layer on the substrate covers the orthographic projection of the semiconductor region on the substrate.

The invention belongs to the technical field of electric materials and devices, and relates to a method for preparing a flexible polyester nickel-coating electrode. The method particularly comprises the following steps of: performing surface silicification modification on a polyester substrate, and introducing silane coupler molecules, of which the tail ends contain active groups such as sulfhydryl groups, amino groups and acylamino groups on the premise of not damaging surface flatness; performing catalytic activation on the polyester substrate in mixed solution of silver nitrate and glucose so as to make a thin layer of silver catalyst coated on the polyester substrate undergoing silicification, wherein the silver catalyst layer and the substrate are connected by chemical bonds; and finally performing chemical nickel-plating in the presence of silver catalyst. The polyester nickel-coating electrode prepared by the method has the advantages of strong adhesion between the nickel coating layer and the substrate, stripping strength of more than 40N/cm, high smoothness, root-mean-square roughness(Rrms) of less than 15nm (the area is 5mu m*5mu m), high electric conductivity, and lower resistivity (5.3 mu omega.cm) compared with that of pure nickel. The flexible polyester nickel-coating electrode can be widely applied to solar batteries, membrane ion secondary batteries, flexible organic electric devices, and the like.

The present invention relates to an electronic part package capable of effectively radiating heat. A heat radiating member is buried below the mounting region of the light emitting device of the substrate so as to be separated from the mounting region of the light emitting device in a vertical direction, and is exposed to the lower surface of the substrate. A heat transfer member, which has thermal conductivity higher than that of the substrate, is formed between the mounting region of the light emitting device and the heat radiating member. Accordingly, since the substrate includes an effective heat radiating structure, it is possible to quickly radiate heat generated form the light emitting device.

The invention discloses a six-axis manipulator comprising a base, a turntable movably mounted on the base, a lower arm hinged to the turnplate, an upper arm hinged to the lower arm and an operating part hinged to the upper arm. A connecting bar is disposed between the lower arm and the upper arm. One end of the connecting bar is hinged to the lower arm, and the other end thereof is hinged to the upper arm. The six-axis manipulator has the advantages that manual work is replaced, work efficiency is improved, surface smoothness of a product is guaranteed, surface quality of the product is improved, influence on the body of a worker is avoided and the six-axis manipulator features simple structure and wide operating range.

The invention discloses a method for preparing a graphite oxide/macromolecular water-based cold rolling lubricating additive, and relates to a method for preparing a graphite oxide-based lubricating additive. The method solves the problems that the conventional cold rolling liquid has short service life, is easy to settle and break emulsion and has poor lubricating performance, poor anti-rust level, high viscosity and high residual carbon quantity and residual iron quantity. The method comprises the following steps of: adding graphite oxide into mixed solution of thionyl chloride and methylbenzene, performing reflux reaction to obtain graphite acetyl chloride, then adding the graphite acetyl chloride and water-soluble macromolecules into N,N-dimethyl formamide to react, drying the reaction system, dispersing the dried product into water, then adding ethanol to obtain sediment, and drying the sediment. The molecular structure of the water-based cold rolling lubricating additive has flexible polymer molecular chains, so the anti-friction performance of the lubricating additive is improved; the lubricating additive forms stable solution in water, and the solution has low viscosity, is not easy to settle and has long service life; and the lubricating additive has good anti-rust level and low residual carbon quantity and residual iron quantity. Through the water-based cold rolling lubricating additive, the friction spot diameter of the base liquid is reduced by 26.2 percent.

The invention relates to a steel structure assembled building unit composite wall, which includes floor slabs and steel beams. The unit composite wall includes a thermal insulation decorative unit panel and a main unit wall, and is located between two adjacent floor slabs; the thermal insulation The decorative unit board and the steel beam are connected by a hanging positioning device; a horizontal connecting beam is set between the two steel beams, and the main unit wall and the thermal insulation decorative unit board are connected through the connecting beam and the steel beam to form a whole unit composite wall body. The unit composite wall adopts a prefabricated assembled combined connection structure, which not only realizes the decorative effect of the exterior wall, but also uses the main unit wall to ensure the overall strength and thermal insulation performance of the wall, and also improves the installation quality and installation efficiency. .

The invention discloses a novel automatic full-spectrum radiometric calibration reference target device, and relates to the technical field of the aerial remote sensing. The device comprises a reflector module, a sun sensor module, an attitude regulation and control module and an electric control system; the attitude regulation and control module is connected with the reflector module and used for driving the reflector module to rotate; the sun sensor module is arranged on the reflector module, and an optical axis of the sun sensor module is parallel to a reflector normal of the reflector module; and the sun sensor module and the attitude regulation and control module are connected with electric control system. The device disclosed by the invention is suitable for the full-spectrum radiometric calibration of high-orbit and low-orbit optical remote sensing satellites, thereby realizing the absolute radiometric calibration and image quality assessment of satellite loads at different orbits at the sun reflection waveband, the middle infrared waveband and the hot infrared waveband (0.35 micron to 12.5 micron).

The invention is suitable for the flat panel display technology field, and provides a modified ITO anode and a preparation method and applications thereof. The preparation method comprises the following steps: providing an ITO substrate, the ITO substrate comprising a substrate and an ITO film formed on the substrate through deposition, and cleaning and drying the ITO substrate in sequence; taking an HF solution or an HC1 solution as an electrolyte, the ITO substrate as an electrolytic bath anode and a molybdenum electrode as an electrolytic bath cathode, and then placing the ITO substrate and the molybdenum electrode side by side in a reaction container, conducting constant voltage electrochemical processing on the ITO film, and obtaining a surface-modified ITO electrode; and cleaning and drying the surface-modified ITO electrode.

The invention discloses a textile yarn guiding device with a humidifying device. The textile yarn guiding device comprises a shell. Multiple supporting foot pads are arranged at the bottom of the shell, a top cover is arranged on the top of the shell, a drive motor is arranged on one side of the shell, a guide-out opening is formed in the other side of the shell, a first supporting rod is arrangedon one side of the inner bottom of the shell, a first supporting frame is arranged on the top of the first supporting rod, a first bearing block is arranged on one side of the top of the first supporting frame, a second bearing block matched with the first bearing block is arranged on the top of the first bearing block, one side of the first bearing block and one side of the second bearing blockare fixedly connected, and the other side of the first bearing block and the other side of the second bearing block are connected through a buckle. The device has the advantages that the device is reasonable in design and convenient to use, the surface smoothness of textile yarn is effectively guaranteed, the possibility that the textile yarn is contaminated is effectively avoided, and in addition, potential safety hazards caused by static are effectively eliminated.

The invention provides a method for manufacturing a semiconductor device. The method comprises the following steps: providing a semiconductor substrate; sequentially forming an etching stopping layer and an interlayer dielectric layer on the semiconductor substrate; forming a groove and a through hole for filling interconnected metal; removing the etching stopping layer below the through holes by using a plasma etching process, wherein the removing process comprises the following steps: firstly, performing post-etching treatment process so as to remove residual etching substances and impurities formed in the groove and the through hole, and secondly performing plasma etching by using an etching gas based on CF4, CO2 and CO. According to the method, when the etching stopping layer below the through hole is etched, the damage to the interlayer dielectric layer is small, and moreover substances which are hard to be removed after the etching are not formed at the bottom of the through hole, so that the surface flatness of the side wall and the bottom of the through hole is ensured.

The invention discloses a fixed abrasive polishing roll for a Roll-to-Roll chemical mechanical polisher and a preparation method for the fixed abrasive polishing roll. According to the technical scheme, a polishing roll left-end supporting mechanism and a polishing roll right-end supporting mechanism are arranged on the two sides of the fixed abrasive polishing roll respectively; the fixed abrasive polishing roll is provided with a fixed abrasive polishing roll base body layer; an elastic layer is arranged in the exterior of the fixed abrasive polishing roll base body layer; a rigid layer is arranged in the exterior of the elastic layer. The surface of the fixed abrasive polishing roll is not liable to be deformed plastically; pore spaces in the surface of the fixed abrasive polishing roll are not liable to be blocked; the capacities for containing a polishing solution and removing scraps of the fixed abrasive polishing roll are not decreased with time; the material removal rate is even and uniform. In addition, a polishing pad does not need to be repaired and maintained, so that the polishing efficiency is improved.

The invention discloses a hydrophobic maintenance seal coat material for roads and a preparation method of the seal coat material. The hydrophobic maintenance seal coat material for the roads is prepared from the following components in parts by weight: 100 parts of cementing materials, 12-20 parts of a hydrophobic additive, 5-12 parts of a nano modified stain resistant agent, 2-6 parts of a surface modifier, 1-3 parts of an activator, 2-4 parts of a wetting agent, 16-24 parts of light hydrophobic aggregate, 6-10 parts of filling materials, 4-8 parts of a diluent, 2-6 parts of a leveling agent, 7-11 parts of silica gel powder, 1-2 parts of a defoaming agent and 2-5 parts of a stabilizer. The material has good hydrophobicity and water seal performance, can isolate external water outside therange of the road surface by excellent hydrophobicity, inhibits external water from penetrating into the interior of the road surface layer, effectively solves the problem of water damage to the roads, improves durability of the roads, and has good effect of improving performance of the road surface.

The invention discloses a battery cell circulation supply outer plate lamination production line and a production process thereof, the battery cell circulation supply outer plate lamination production line comprises a pole piece supply mechanism, a film supply mechanism, an outer plate supply mechanism, a lamination mechanism and a blanking mechanism, the pole piece supply mechanism is horizontally arranged on a machine table, and is perpendicular to one side edge of the machine table to extend outwards; the outer plate supply mechanism is arranged on the other side of the machine table; the lamination mechanism is arranged at the side part of the pole piece supply mechanism; the film supply mechanism is erected above the lamination mechanism; and the discharging mechanism is arranged at the side part of the lamination mechanism and is used for carrying and discharging the battery cells formed after lamination. Closed-loop circulation supply of the outer plates is achieved, the outer plates are automatically clamped and fixed and loosened through single power, the carrying stability of the outer plates is effectively guaranteed, meanwhile, alternate film drawing, pressing and covering and automatic cutting-off of the laminated diaphragms are achieved, the surface flatness of the diaphragms during lamination is effectively guaranteed, and the lamination efficiency is improved.

The invention relates to a casting method based on a novel oil pump body shell mould. The casting method comprises the following steps that (1) heating and solidifying are conducted on molding sand to form the shell mould, the shell mould consists of an upper shell body and a lower shell body, and after mould clamping is conducted on the upper shell body and the lower shell body, an oil pump body mould cavity is formed; (2) a set of sand cores of an oil pump body is formed through chromite sand, the sand cores are correspondingly an inner sand core and an outer sand core, the sand cores are combined to form a sand core main body, and the sand core main body is horizontally arranged in the lower shell body; (3) a sand box is manufactured through sand, the upper shell body and the lower shell body are embedded in the sand box, a sand layer covers a cavity between the outer surfaces of the upper shell body and the lower shell body and the inner side of the sand box , and the sand layer is internally provided with a gating and risering system which communicates with the shell mould; and (4) casting is conducted on the interior of the mould cavity through the gating and risering system, and the oil pump body is formed. The casting method has the advantages that through the casting method, burrs of parting mould surfaces of the oil pump body are easy to polish, and sand core fracture in the casting process is not easily caused.

The invention discloses a rapid overhauling method for a water conveyance canal without water supply shutdown, and solves the technical problems that surface evenness after underwater charging of existing mold bag concrete cannot meet the requirement, construction cost is high and construction efficiency is low. The rapid overhauling method comprises following steps: original structure dismounting, regional division, manufacturing of a mold bag skeleton, mounting of a mold bag, manufacturing of a lifting frame, lifting launching, charging of concrete and dismounting operation. The rapid overhauling method for the water conveyance canal without water supply shutdown not only can guarantee the surface evenness after underwater charging of the mold bag concrete, but also is high in construction efficiency and low in cost, has quite high ecological benefit and social benefit and has quite good popularization and application prospects.

The invention relates to an online continuous hot-pressed dry vacuum insulation panel core preparation method and a product, and belongs to the technical field of glass fibers. The preparation methodincludes a cotton spreading process and a hot-pressing process, can also include a fiber forming process, a cotton collecting process and a rolling process before the cotton spreading process and canfurther include a slitting process after the hot-pressing process. A superfine glass fiber production process and a hot-pressing process in the prior art are separated and can be independently performed, the speed matching problem of hot-pressing and superfine glass fiber production lines in the prior art is solved, the production process of superfine glass fibers with different performances can be matched with the hot-pressing process, glass fiber dry rolled cotton can directly serve as a raw material for preparing a vacuum insulation panel core, and the vacuum insulation panel core is more flexibly prepared. Besides, the hot-pressing mode in the method is continuous hot-pressing, stay holding time is omitted, continuous production is realized, production efficiency is effectively improved, and production cost is reduced.