大家好：关于QFN的焊接标准，在IPC-610中只有目视外观的要求，我们照X-ray发现很多气泡，大家是如何指定这个X-ray的标准的？

谢谢您的回复

Lu Chunli

IPC Training Specialist

Tel: +86 10 6789.2929 - 190
Mobile: +86 13810570188

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