PeterD wrote in message
...
On Thu, 17 Sep 2009 13:57:50 +0100, "N_Cook"
wrote:

and why?
I recently saw some printed advertising copy, including this statement
concerning BGA chips
"We safely remove the existing lead-free solder balls and replace them
with
SnPb "

...


Why? Maybe you don't like the total lack of reliability of lead free
balls, perhaps?


That was my thinking. mission-critical useages with RoHs derrogation,
defence/aero-space/medical or perhaps others who don't want to tarnish their
otherwise good name by knowingly producing defective goods.