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- From: ntaib@silver.ucs.indiana.edu (Iskandar Taib)
- Subject: Re: What's the deal? My chip says "SX-25"; Norton says "SX-33"
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- 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
-
- 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..
-
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- --
- -------------------------------------------------------------------------------
- Iskandar Taib | The only thing worse than Peach ala
- Internet: NTAIB@SILVER.UCS.INDIANA.EDU | Frog is Frog ala Peach
- Bitnet: NTAIB@IUBACS !
-