Oleg Zabluda's blog
Friday, August 11, 2017
 
We finally have a computer that can survive the surface of Venus
We finally have a computer that can survive the surface of Venus
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Over the last few years electronics based on the semiconductor silicon carbide (SiC) have started to mature. SiC has drawn a lot of interest from the military and heavy industries because it can support very high voltages and temperatures
[...]
Now, researchers out of NASA's Glenn Research Centre appear to have cracked the other big problem with high-temperature integrated circuits: they've crafted interconnects [...] that can also survive the extreme conditions on Venus.

The NASA Glenn researchers combined the new interconnects with some SiC transistors to create a ceramic-packaged chip. The chip was then placed into the GEER—the Glenn Extreme Environments Rig, a machine that can maintain Venus-like temperature and pressure for hundreds of hours at a time. The chip, a simple 3-stage oscillator, kept functioning at a steady 1.26MHz for 521 hours (21.7) days before the GEER had to be shut down.

NASA Glenn says this is the first reported demonstration of a computer chip operating in Venus-like conditions for multiple days/weeks without the aid of a pressure vessel, cooling system, or other means of protection.
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https://arstechnica.com/science/2017/02/venus-computer-chip/
https://arstechnica.com/science/2017/02/venus-computer-chip/

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