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Gold is one of the highest conductors of electricity that we know of.

So in order for the microchip to be so small it needs tiny microscopic wires coming out of the chip to send/receive information coming in or out of the chip.

Copper is not an extremely good conductor so it needs to be a lot thicker to support the voltage coming out of the chip. This does not work in such a small chip. So we use gold instead.

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14y ago

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