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Electroplating The Wafer

Intel Shows How A CPU Is Made
By , Kevin Parrish, Intel Corporation
Electroplating The Wafer

The wafers are put into a copper sulphate solution at this stage. Copper ions are deposited onto the transistor through a process called electroplating. The copper ions travel from the positive terminal (anode) to the negative terminal (cathode) which is represented by the wafer.

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