26 Jul
2001
26 Jul
'01
7:26 p.m.
There are some 1802 varients that use SOS, but your every-day
1802 from RCA was not SOS.
Eric Dittman wrote:
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(a)dittman.net