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TPS767D318PWPR 客户反馈芯片背面底部 热沉露铜，请问这个是正常工艺情况吗？是否影响使用？
您好，
已经收到了您的案例，调查需要些时间，感谢您的耐心等待。
这个问题请联系客服质量部门进行咨询
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