In the chip itself? No.
The packaging and interconnects often contain gold however.
There is a type of discrete bipolar junction transistor that is doped with gold, but as far as I have been able to find this is not used in ICs.
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integrated circuit
when solder IC chips on printed circuit cards
Thousands, if not millions. There are so many that it would be a major task to catalog them all. They could be categorized by technology used or by function.
Its not about size, its about controls. If the unit has a control board with IC chips, it uses a glow plug. If it uses mechanical switches, as most older units do, it will have a pilot.
IC Bus was created in 2002.