🚀 go-pugleaf

>> From: jeff@gatech.CSNET (Jeff Lee)
>> Subject: Re: VERY LARGE main memories
>> Message-ID: <4496@gatech.CSNET>
>> 
>> >Then there's GaAs...  So fast you can spend a lot of time converting
>> >to a different logic family.  I like GaAs.  Expensive, though.
>> 
>> I know absolutely nothing about GaAs except that Seymour is planning
>> to do his cray-3 in it. What are the speeds and costs of some "typical"
>> GaAs chips?  What sort of power do they dissipate?  What is the
>> difficulty in processing GaAs as opposed to silicon?  Also, is anybody
>> doing anything with InP (Indium Phosphide) yet?
> 
> From: williams@kirk.dec.com (John Williams DTN 223-2163)
> Subject: GaAs
> Message-ID: <5300@decwrl.DEC.COM>
> 
> GaAs is 10-100 times faster than Silicon. Part of the problem with
> manufacturing it is that the covalent bonds between atoms is much
> weaker.( part of the reason it's so much faster ) As you put it through
> implantation, the crystal structure is broken. When you go to anneal it,
> there is a greater amount of diffusion.

There was an article about GaAs in IEEE Spectrum. I believe
it was the December, '84 issue, or some issue close to then.
-- 
 	USENET:	 {ihnp4,allegra,decvax,utzoo,utcsri}!watmath!water!hmtriese
        CSNET :  hmtriese%water@waterloo.csnet
        ARPA  :  hmtriese%water%waterloo.csnet@csnet-relay.arpa