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Re: gEDA-user: fun/easy BGA part

On Dec 15, 2006, at 6:36 PM, John Griessen wrote: 
Andy Peters wrote:
 flow low-velocity hot air around the chip (using a
FQP nozzle). You watch the balls using a stereoscope, and you can see when they get soft and melt.

You can see the balls? The ones on the edge, I guess?

Yes, exactly. The idea is that with uniform heating, the balls should all melt the same way at the same time.

-a


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