HP 300 (was: "what the hell")

From: Eric Dittman <dittman_at_dittman.net>
Date: Thu Jul 26 16:00:51 2001

> I think it's using sapphire as the substrate for the chip. ISTR, this is
> done primarily in space applications where radiation hardening is
> required.
>
> > > The CPU was CISC, silicon-on-saphire, and
> >
> > What a very interesting little machine. I am most intrigued. What do you
> > mean by "silicon on saphire" though?

Didn't the 1802 microprocessor use this technology?
-- 
Eric Dittman
dittman_at_dittman.net
Received on Thu Jul 26 2001 - 16:00:51 BST

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