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Article #20528

Re: predicted yield of BIG microprocess

#20528
From: mcdonald
Date: Sat, 25 Mar 1989 18:06
19 lines
1128 bytes

>Year				1984	1987	1989	1992
>Defect density [cm^(-2)]	1.83	1.16	0.72	0.38

This is not a computer issue, but it is a chip issue - so -

What I want is a BIG CCD camera chip. How do these relate in
manufacturability to memories or CPU's. They are certainly simpler
than CPU's, but are they as easy as DRAMS's? One can get 1 cm square 
ones now, but I would like a much bigger one - say 2x2 or even 3x3 cm.

At a defect rate of 0.5 per cm square there would seem to be a good
possibility of making 2x2's.

What is the current state of these things - I am not aware of
being able to actually buy big ones.

Doug McDonald
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References: <15878@obiwan.mips.COM>

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From: mcdonald@uxe.cso.uiuc.edu
Newsgroups: comp.arch
Subject: Re: predicted yield of BIG microprocess
Message-ID: <46500056@uxe.cso.uiuc.edu>
Date: 25 Mar 89 18:06:00 GMT
References: <15878@obiwan.mips.COM>
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Nf-ID: #R:obiwan.mips.COM:15878:uxe.cso.uiuc.edu:46500056:000:620
Nf-From: uxe.cso.uiuc.edu!mcdonald    Mar 25 12:06:00 1989