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30results about How to "High speed manufacturing" patented technology

Method for manufacturing perovskite layer at high speed

The invention discloses a method for preparing a perovskite layer. The method comprises the following steps: providing a flexible substrate; providing a perovskite solution comprising an initial amount of a solvent and a perovskite precursor material and having a total solids concentration of between 30% and 70% by weight of its saturation concentration; depositing the perovskite solution on a substrate; removing a first portion of the solvent from the deposited perovskite solution and increasing the total solids concentration of the perovskite solution to at least 75% of its saturation concentration by a first drying step; and removing a second portion of the solvent from the deposited perovskite solution by a second drying step having a higher solvent evaporation rate, which results in saturation and conversion reactions in the deposited perovskite solution, resulting in perovskite crystal formation or perovskite mesophase formation, wherein the residence time of the first drying step is at least 5 times longer than the residence time of the second drying step. A continuous in-line method for high-speed production of photovoltaic devices and a perovskite solution for high-speed fabrication of uniform perovskite layers to enable low-cost production of efficient perovskite devices are also described.
Owner:에너지머티리얼즈코퍼레이션

Method and apparatus for producing fiber-fabric material

Filamentous textile structures are produced from a quasi continuous planar nonwoven (1) by subjecting the nonwoven (1) to fluid-dynamic forces, namely in such a way that the nonwoven (1) is split up longitudinally into a plurality of parallel slivers (3) and the fiber structure of the nonwoven (1) is bonded in the slivers. For the treatment with fluid-dynamic forces, the nonwoven (1) is placed for example against a treatment template (10) which is structured in a strip-like manner by perforations (11) and elevations (12) and fine water, saturated steam or air jets (13) are directed against the nonwoven (1) and the template (10). The slivers produced during the treatment with the fluid-dynamic forces can be processed without any further treatment into a planar textile structures or they can be subjected to a further treatment prior to said processing in order to increase their strength. Said further treatment can preferably be performed without any application of additives (false twist, rubbing) or it is a further treatment which can be reversed after the production of the planar structure (treatment with glue). The slivers (3) have a relatively large volume and can therefore be weaved into covering fabrics with relatively low thread densities. They are suitable for example as weft yarns in fabrics for low-quality needs such as fabrics for disposable linens.
Owner:MASCHINENFABRIK RIETER AG

Long straight cylindrical helical spring type powder conveying piece

The invention discloses a long straight cylindrical helical spring type powder conveying piece, which relates to the technical field of parts of a duplicating machine. The main parts for conveying the carbon powder in the conventional duplicating machine are all long bolt type parts, based on multiple helical surfaces outside the body of the bolt, each long bolt type part rotates around an axis to push the powder and conveys the powder in a powder box to a further powder utilization place. But the long bolt type parts also have too many defects. The invention uses a long straight cylindrical helical spring, which has large length-width ratio and rectangular cross section, as the powder conveying piece, wherein the plane of a long side of the rectangular cross section of the belt material is similar to the helical surface on the long bolt structure, when the helical spring rotates, the powder conveying piece has the same function of pushing and conveying the powder, but the powder conveying piece has a simpler structure, is very easy to produce and process, and can realize high-speed manufacturing, moreover, a hollow inner bore has no bolt body, the powder conveying piece can be more light, the material consumption is relatively low, and the cost (including manufacturing) is reduced obviously.
Owner:TAIZHOU STRONKIN ELECTRONICS
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