[SI-LIST] Re: IC package
- From: "Andrew Ingraham" <a.ingraham@xxxxxxxx>
- To: <si-list@xxxxxxxxxxxxx>
- Date: Wed, 18 Aug 2004 14:20:20 -0400
> I think this was mentioned before but the encapsulant does not provide =
> much
> protection from cosmic/alpha particles. Actually, it's a fairly =
> significant
> source of alpha particles (from the silica filler).
Yeah, that was my point. Alpha particles go very short distances, and it's
the materials in your immediate environment that would be potential sources.
One wouldn't want to choose a package material that happens to be a rich
source of alpha particles.
Andy
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