Electronics Forum: soldermask spectrum (Page 1 of 1)

Tin Lead BGAs in leadfree paste

Electronics Forum | Tue Mar 07 14:18:32 EST 2006 | James

Billy, I have to disagree with you. We inadvertently soldered a Pb BGA with SAC305 paste and then had it micro sectioned and spectrum analyzed. Imagine our surprise when we saw the spectrum analysis showed Pb. The micro sections showed none to ac

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