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This thesis used low-cost vibration grinding equipment to develop grinding and polishing processes for high-clarity mirror surfaces of sapphire single crystals. High-density grinding cubes and polishing cubes equipped with different sizes of grinding sand and polishing powder were utilized to process flat wafer and irregular body from the scraps of LED sapphire crystal ball polishing. The optical microscope (OM), atomic force microscope (AFM) and contact angle analysis system were used to observe the surface quality, measure the surface roughness and examine the hydrophobic characteristic of each process, respectively. As for the practical design and development of application components, this study fabricated a multi-function sapphire crystal knife and all types of sapphire components with spherical, cylindrical, and irregular shapes.
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