The practical application example of the wire scraper is that the wire scraper is an OSP precision wire scraper. The surface is a wavy curve of the surface of the steel bar by using the principle of plastic deformation of the metal using a cold extrusion process. It is easy to wear and clean, and the coating effect breaks through the coating limit of traditional scraper and steel wire rod. The wire scraper is a cylindrical rod (diameter 10 mm) formed by a gear with a certain width and depth (ie, concave and convex groove). The width and depth of the gear are measured by the DektakXT step meter manufactured by Bruker, Germany. The results are shown in Table 1. Show that different coating rod numbers correspond to gears of different widths and depths. The larger the coating bar number, the wider and deeper the corresponding gear. The width and depth of the gear determine the size of the gap left on the surface of the sample and the coating bar when the coating bar is coated with the surface of the sample, which determines the thickness of the coating film obtained by coating.
The ITO glass sample with a substrate of 7 cm (length) × 7 cm (width) × 1.1 mm (thickness) is used to clean the ITO glass before coating. Process: Immerse the ITO glass in an aqueous solution containing optical glass cleaner RM11-07 (Runmon Technology) and then ultrasonically clean it with KH3200DV CNC ultrasonic cleaner (Kunlun Hechuang Ultrasonic Co., Ltd.) (Frequency: 40kHz , time: 8 min), then rinse with ultrapure water and nitrogen, and finally put it into the oven for baking (temperature: 110 °C, time: 30 min). The coating process is carried out in a yellow zone with a temperature of 26 ± 1 °C and a relative humidity of 60% to 70%. Adjust the level of the coating bar and the ITO glass sheet before coating. In order to accurately control the amount of the glue, the agitator selects the coating parameters such as coating bar and coating speed in advance, and uses 1 mL of the injection color wheel. A certain amount of photoresist is added to the ITO glass near one end of the coating bar, and then coated immediately. The coated samples were baked on a hot plate (Lab Tech EH 20B) at a temperature of 95 ° C for 5 min.
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