Flat plate type seam die coating machine

Abstract

The invention discloses a flat plate type seam die coating machine. The flat plate type seam die coating machine comprises a film forming table surface (14), wherein a film forming step motor (19) and an X-axis screw rod (12) connected with the film forming step motor (19) are arranged under the film forming table surface (14); a seam die cutter (15) is arranged above the film forming table surface (14); the seam die cutter (15) is arranged on a portal frame capable of horizontally moving along the X axis; the portal frame is connected with the X-axis screw rod (12); the position of the portal frame is controlled by the film forming step motor (19); an injector (5) is fixed to the seam die cutter (15); and an injection head of the injector (5) is connected with a seam die gap (29) of the seam die cutter (15). The flat plate type seam die coating machine is compact in structure, convenient to operate, small in equipment volume, light in weight and convenient for laboratory use and small-scale sample preproduction.

Description

technical field [0001] The invention relates to the field of thin film and thin film device preparation, in particular to a flat-plate slot die coater. Background technique [0002] Slot die technology is widely used in the field of solution and molten material coating. Its structure is simple, its reliability is good, and the precision of the formed film is high. The slot die is usually composed of two die lips with a gap between them. The coating liquid is injected into the gap of the slot die at a certain flow rate, spread out in the gap and then spit out through the opening. The opening of the slot die and the film-forming substrate maintain relative movement, and the spit out solution adheres to the substrate to form a uniform film. Or the molten material is rapidly cooled to form a material with a fixed thickness and width after being discharged through the opening of the slot die. The slot mold technology is well compatible with roll-to-roll equipment, suitable for ...

AI Technical Summary

Problems solved by technology

[0008] Existing slot mold equipment is designed for industrial production, effectively improving product quality and production efficiency, but due to bulky, expensive, and high operating costs, it is not suitable for experiments and small-scale trial production, which is not conducive to scientific research and small batch production

In the laboratory, most new materials can only be synthesized at a time of hundreds of milligrams, and it is obviously not enough to prepare thin films with existing equipment

Furthermore, some materials cost tens of thousands of yuan per gram, which is very expensive. Using existing equipment to prepare a large number of devices at one time will waste materials and fail to achieve research results.

There are a small number of slot mold equipment used in the laboratory on the market, but the function is single, the material utilization rate is not high, and the film forming effect is not ideal

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