How do they make Silicon Wafers and Computer Chips?

This shows how computer chips are made from silicon crystal, to wafer to chips. www.youtube.com is worth watching too. There used to be an episode of National Geographic documentary named "Naked Science" on youtube. It was about using synthetic diamond crystal in place of silicon as the chip substrate. Since diamond crystal can tolerate higher heat, a CPU can be over-clocked without the worry of a melt-down. If you like this video, you should also look up diamond based computer chips.

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