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When is AMD going to use GloFo?

Another question, this one a lot more stupid. Why are the wafers round? I would think they'd be square for the same reasons houses don't have curved walls.
 
Gloomy said:
Another question, this one a lot more stupid. Why are the wafers round? I would think they'd be square for the same reasons houses don't have curved walls.
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tl;dr; version is they grow the silicon out in a circle from a single crystal as they pull it out of molten silicon
 
blastingcap said:
For graphics cards? Since you are in the Video subforum? It will start using it after Cayman. Perhaps a pipe-cleaner project like HD4770 was for 40nm, followed by the full HD7xxx series.

http://www.techpowerup.com/120504/AMD_to_Switch_to_GlobalFoundries_with_28_nm_GPUs.html

http://www.hexus.net/content/item.php?item=27297

Note however that AMD plans to keep making GPUs at TSMC, so it will dual-source its chips.

http://www.bit-tech.net/hardware/2010/10/20/global-foundries-gtc-2010/2
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Bit-tech would probably be better to have someone who understands what he is talking about write that article, or at the very least not write things he doesn't understand. Sure the article might be short that way, but the multitude of logical fallacies in the article really kills the writers credibility.
 
Martimus said:
Bit-tech would probably be better to have someone who understands what he is talking about write that article, or at the very least not write things he doesn't understand. Sure the article might be short that way, but the multitude of logical fallacies in the article really kills the writers credibility.
Click to expand...

I thought that it was ridiculously negative. Sooo biased :sneaky:

soccerballtux said:
tl;dr; version is they grow the silicon out in a circle from a single crystal as they pull it out of molten silicon
Click to expand...

That's a lot more complicated than I thought it was. Is this the only way? Seems slow...

Kenmitch said:
This should explain it.
http://www.processpecialties.com/siliconp.htm
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:thumbsup::thumbsup:
 
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