Through appearance testing, X-Ray testing and temperature cycling testing, the reliability of mixed solder joints and lead-free solder joints which formed under various process parameters was assesed.

通过对不同工艺参数下形成的混合焊点和无铅焊点进行了外观检测、X射线检测和温度循环测试。

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The lead free high temperature solder has the advantages of higher melting point, good mechanical property, less welding defect and high welding reliability.

本发明无铅高温焊料的优点为：熔点 较高、机械性能好、焊接缺陷少、焊接可靠性高。

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