Electronics Forum: pure and tin and discoloration (Page 1 of 1)

Your opinion about RoHS and WEEE ?

Electronics Forum | Wed Dec 15 16:38:42 EST 2004 | patrickbruneel

Here's my 10 cents Studies done in the 1980's concluded that pure tin was prone to whisker generation. A tin content lower then 70% became exempt from this phenomenon. I have never seen or done any studies on the impact lead had in reducing the pote

The truth about lead-free and environment

Electronics Forum | Fri Mar 24 11:12:06 EST 2006 | patrickbruneel

You�re a good man Rob and a good patriot, you defend your governments decisions even if they're wrong. Isn't the WEEE directive aimed at preventing electronics ending up in a landfill? This immediately takes away the leaching arguments and is a great

Pick and Place Startup - LQPF100 bridging issues

Electronics Forum | Fri Mar 26 15:48:31 EDT 2021 | grahamcooper22

Leaded HASL on small pads can be quite difficult to print on...the HASL tends to be domed rather than flat..and that can affect print quality...you really need a perfectly flat pcb pad to print paste on when you are assembling 0.5mm QFPs. If the pcb

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