Vintage Synth Repair

vintagesynthrepair@yahoogroups.com wrote:

>Sorry Matt, I think you mis understood.  His firm's instruction is not to
>use lead free solder. In other words the instruction is to use lead/tin
>solder on all military contracts.   However I was interested to read about
>Uranium being present in Lead/tin solder.    Best regards John.
>

Ha! Yes - that will teach me to skim read.

Yeah, the Uranium thing. I work for a company designing massively 
parallel multiprocessor chips. The BGA packages we use for our devices 
have lead-free balls. Once you go below a certain transistor minimum 
feature size, the radiation strike risk becomes much more appreciable.

Regards,
Matt.