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Date: | Tue, 11 Nov 2008 08:17:38 -0600 |
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David,
That is a pretty broad question. For the most part, the high energy gamma
radiation degrades polymers by chain scission, or cutting up the polymer
chains. NASA has a fair amount of data. Try this link which is a quick
Google Search. It shows some promising leads.
http://www.google.com/search?hl=en&q=NASA+%22gamma+radiation%22+%22effects+on+electronics%22&aq=f&oq=
Doug Pauls
Rockwell Collins
David Baldwin <[log in to unmask]>
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11/10/2008 03:46 PM
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[TN] Gamma Radiation Effects on Assemblies?
DC Members:
I have designed a flex assembly that will be subject to gamma
radiation (25-50 kGy) for sterilization purposes. We need to know
the effects of this radiation on the materials; Active & passive
comps, polyimid flex, solder & joints, etc...
Can anyone point me in the right direction where I might begin to
find this information? Is there an overall document and
specification? Would I need to contact the manufacturer of each P/N
and request this information. I have done flight boards in which
each component had to be rad-hard, is this a similar situation?
Thanks in advance!
David Baldwin CID+
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