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From: williams@kirk.dec.com (John Williams DTN 223-2163)
Newsgroups: net.arch
Subject: GaAs
Message-ID: <5300@decwrl.DEC.COM>
Date: Fri, 12-Sep-86 09:52:51 EDT
Article-I.D.: decwrl.5300
Posted: Fri Sep 12 09:52:51 1986
Date-Received: Sat, 13-Sep-86 03:46:45 EDT
Sender: daemon@decwrl.DEC.COM
Organization: Digital Equipment Corporation
Lines: 7

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.

						John.