通过往复式电镀金刚石线锯切割单晶硅片实验,分析了切片表面的微观形貌特点,研究了锯丝速度与进给速度对硅片的表面粗糙度、总厚度偏差(TTV)、翘曲度与亚表面损伤层厚度(SSD)的影响规律.结果表明:线锯锯切时材料以脆性模式去除,锯切表面的微观形貌呈现部分沟槽与断续划痕,并存在大量凹坑;锯丝速度增大,进给速度减小,表面粗糙度与SSD减小;锯丝速度增大,进给速度增大,硅片的翘曲度也随之增大;硅片TTV值与锯丝速度和进给速度的匹配关系相关.
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