On 4/24/2010 9:17 AM N_Cook spake thus:

This is a reasonable start, certainly autoritive but nothing about
in-service vibration and/or temperature on PbF embrittlement

from 2006
http://ntrs.nasa.gov/archive/nasa/ca...268_2008037503.
pdf
DEVELOPING A NASA LEAD-FREE POLICY FOR ELECTRONICS
LEARNED LESSONS
Michael J. Sampson
MD, 20771, USA
National Aeronautics and Space Administration, Goddard Space Flight Center,
Greenbelt,

[...]

Pure tin termination finishes shall be avoided whenever possible and
shall be carefully mitigated against the risk of whisker growth if
their use is unavoidable.

So how the hell does one mitigate against the growth of tin whiskers?


--
The fashion in killing has an insouciant, flirty style this spring,
with the flaunting of well-defined muscle, wrapped in flags.

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