In the actual semiconductor wafer factory, computer-aided SPC technology is used to achieve quality control. SPC system mainly collects product quality data online and offline in the production process, and realizes timely, accurate and effective processing and statistical analysis of data related to production quality, so that quality personnel can grasp the dynamics of product quality in time during the production process, feed back and control it in time, and finally achieve the goal of ensuring production quality and reducing production costs for enterprises.
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