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SMT patch refers to the abbreviation of a series of processing procedures carried out on the basis of PCB. SMT stands for Surface Mount Technology, which is the most popular technology and process in the electronic assembly industry. Simply put, SMT patch is the production line that solders electronic components onto circuit boards, from circuit board mounting to finished product packaging. Its process involves a series of production procedures from electronic components to PCB insertion, soldering, inspection, assembly and packaging.