Archived posting to the Leica Users Group, 2004/06/27
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Which gets us back to the question - how sensitive are the circuits of modern cameras to the EM radiation of airport security systems ? Anyone seen any studies on this ? Douglas Peter Dzwig schrieb: > I used - years ago - to work on the properties of GaAs. > > As far as I can recall sitting here thinking about it, GaAs might be > more resistant than Si - wider band gap - but not impervious. > Basically putting a huge bolt of energy into any > semiconductor/semi-insulator will cause a surge of current, whose > properties may or may not be ameliorated by device in which it sits; > but totally resistant, no. > > But basically Len, if you're that close I worry about the Digilux ;-) > > Peter > > Leonard J Kapner wrote: > >> This is another aspect of electro-magnetic pulse (EMP) phenomenon. >> Someone >> wrote a science-fiction book about it a decade or so ago. Nuclear >> weapon air >> bursts at strategic locations knocked out all unhardened defense and >> communication sites, rendering us suddenly deaf, dumb and blind and >> unable >> to operate our vehicles. Not to mention dead, too... I understand that >> gallium arsenide circuits are resistant to EMP rendering them >> inoperable; >> not so with conventional silicon. >> >> I wonder if the CPU in my Digilux 2 is made of gallium arsenide? :-) >> >> Len >> > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information > -- Ihre bevorzugten Shops, hilfreiche Einkaufs-Hilfen und gro?artige Geschenk Ideen. Erleben Sie das Vergn?gen online einzukaufen mit Shop@Netscape! http://shopping.netscape.de/shopping/