On Wed, 6 Sep 2006 12:20:12 -0400
"Sterner, David [S&FS]" <[email protected]>
wrote:
...snip...
> requires an impractically large sample. Many IC ESD
> failure mechanisms
> are catastrophic and therefore not repeatable, further
> complicating
> statistical treatment.
...and worse, some mechanisms of "failure" are insidious.
Extremely shortening chip lifetime. Those don't show up
during the test, but the chip is doomed and fails within a
month, or two.
- Robert -
-
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