参考标准：
JESD 22A121.01 Test Method for Measuring Whisker Growth on Tin and Tin Alloy Surface Finishes
JESD201A Environmental Acceptance Requirements for Tin Whisker Susceptibility of Tin and Tin Alloy Surface Finishes
IEC 60068-2-82-2009 Environmental testing - Part 2-82: Whisker test methods for electronic and electric components
