[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

焊接BGA芯片或返修密集贴片元件需选带闭环恒温反馈(热电偶+PID控制)的机型,温度波动应控制在±5℃内;开环调温机型温度漂移可达±30℃,易造成虚焊或烫坏芯片

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Long-term
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