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Politics : View from the Center and Left
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To: cosmicforce who wrote (480062)9/24/2021 10:02:53 PM
From: J_F_Shepard  Read Replies (1) of 543020
 
A valid criticism that could be applied to early microchips which weren't all that reliable. Russians used tubes because they knew they'd work on a nuclear battlefield - we used less reliable "shielding" and microchips. Thankfully - we never field tested our respective strategies.


Somewhere in the early 80's we obtained a Mig 19 (I as I recall) and learned they were still using vacuum tubes in their electronics.... The US, on the other hand, had developed rad-hard technology which was simply a lower temperature anneal to produce high levels of positive charge in the isolation oxides and design around it..... Standard device technology struggled to keep that oxide charge level low....
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