Re: What's the deal? My chip says "SX-25"; Norton says "SX-33"

Article View: comp.sys.ibm.pc.hardware

Article #18843

Back to comp.sys.ibm.pc.hardware Previous Next

#18843

From: Iskandar Taib
Date: Mon, 04 Jan 1993 22:14

30 lines
1860 bytes

In article <1992Dec30.233238.14371@ptdcs2.intel.com> ssivakum@ptdcs2.intel.com (Sam Sivakumar) writes:

>	I work in lithography R&D, so I am not intimately familiar with the
>sort and test world, but I know that every chip sold is tested.  Usually,
>once the lot of wafers leaves the fabrication line, every chip on each wafer
>is tested for functionality as function of voltage and speed.  There may be
>other tests done at this stage as well, like transistor characteristics, etc.
>and maybe others that I am not aware of.  All chips that do not work are
>inked, so when the wafer is diced into individual chips, the inked fellas are
>rejected summarily.

Hmmm

Anyone know where one could write to get rejects like this? 'Twould 
be a nice conversation piece... 

Perhaps they wouldn't give away the latest 486-66/DX2 but surely there 
are old 286 wafers lying around somewhere..







-- 
-------------------------------------------------------------------------------
Iskandar Taib                          | The only thing worse than Peach ala
Internet: NTAIB@SILVER.UCS.INDIANA.EDU |    Frog is Frog ala Peach
Bitnet:   NTAIB@IUBACS                 !

Technical Details

Message-ID: <C0CoGq.1ww@usenet.ucs.indiana.edu>

Path:

arc1-ca.pugleaf.net!sparky!uunet!zaphod.mps.ohio-state.edu!howland.reston.ans.net!sol.ctr.columbia.edu!usenet.ucs.indiana.edu!silver.ucs.indiana.edu!ntaib

References: <C01LuI.542@news.cso.uiuc.edu> <sheldon.725671411@pv141b.vincent.iastate.edu> <1992Dec30.233238.14371@ptdcs2.intel.com>

Show Full Headers

Complete Article Headers

Newsgroups: comp.sys.ibm.pc.hardware
Path: arc1-ca.pugleaf.net!sparky!uunet!zaphod.mps.ohio-state.edu!howland.reston.ans.net!sol.ctr.columbia.edu!usenet.ucs.indiana.edu!silver.ucs.indiana.edu!ntaib
From: ntaib@silver.ucs.indiana.edu (Iskandar Taib)
Subject: Re: What's the deal? My chip says "SX-25"; Norton says "SX-33"
Message-ID: <C0CoGq.1ww@usenet.ucs.indiana.edu>
Sender: news@usenet.ucs.indiana.edu (USENET News System)
Nntp-Posting-Host: silver.ucs.indiana.edu
Organization: Indiana University
References: <C01LuI.542@news.cso.uiuc.edu> <sheldon.725671411@pv141b.vincent.iastate.edu> <1992Dec30.233238.14371@ptdcs2.intel.com>
Date: Mon, 4 Jan 1993 22:14:50 GMT
Lines: 30

Reply to Parent Message