Apple IIe Motherboard X-Ray
wmaddox at pacbell.net
Thu Dec 28 20:26:58 CST 2006
X-rays can damage ICs. While searching for
on possible risks to electronics from x-ray security
screening, I encountered a second-hand reference to a
study to determine the safest X-ray wavelengths and
exposure for nondestructive testing of
ICs. X-rays can inject faults into the silicon
which degrade the quality of the transistors. I think
exposure that can be tolerated is affected by geometry
(e.g., transistor size), so it might not be as much of
issue for older electronics as it is for newer stuff.
Anybody know more?
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