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- Newsgroups: comp.sys.ibm.pc.hardware
- Path: sparky!uunet!zaphod.mps.ohio-state.edu!wupost!cs.utexas.edu!torn!nott!bnrgate!bmers95!bnr.ca!khor
- From: khor@bnr.ca (Kyle Hor)
- Subject: Re: What's the deal? My chip says "SX-25"; Norton says "SX-33"
- Message-ID: <1993Jan6.142124.25566@bmers95.bnr.ca>
- Sender: usenet@bmers95.bnr.ca
- Reply-To: khor@bnr.ca
- Organization: Bell-Northern Research Ltd.
- References: <1992Dec30.233238.14371@ptdcs2.intel.com> <C0CoGq.1ww@usenet.ucs.indiana.edu> <1993Jan5.151627.9623@bmers95.bnr.ca> <1993Jan5.184502.24931@ptdcs2.intel.com>
- Date: Wed, 6 Jan 1993 14:21:24 GMT
- Lines: 21
-
- In article <1993Jan5.184502.24931@ptdcs2.intel.com>, ssivakum@ptdcs2.intel.com (Sam Sivakumar) writes:
- |> the desks of the engineers and technicians. There are a lot of old timers
- |> around that have wafers of every size that has been used for production, all
- |> the way from 2 inch diameter to the current 8 inch standard. I have also
- |> seen 10 inch wafers which I believe are in pilot lines in some places if not
- |> in actual production, and a 12 inch wafer that was the most mindboggling
- |> thing that I have ever seen. (Picture attempting to grow a 75 angstrom thick
- |> gate oxide with less than 5 angstroms variation across a 12 inch diameter
- |> piece of silicon!).
-
- There's a question I'd always wanted to ask. Why are wafers still made circular?
- Since the dice are rectangular, wouldn't it save material growing the crystals
- in a rectangular wafer?
-
- ............................................................................
- . Kyle Hor . / / _ . Email khor@bnr.ca .
- . Bell-Northern Research Ltd. . /__\ / / /_\ . Phone (613) 763-2488 .
- . Ottawa, Ontario, Canada . / \ \/ / \__ . ESN 393-2488 .
- ....................................__/.....................................
- ................ standard disclaimer, 2 cents opinion ....................
- ............. searching forever, for the perfect solution ................
-