How Microchips are Made

https://electronics.stackexchange.com/questions/134365/how-are-microscopic-transistors-on-microchips-made:

• Silicon wafer - is a silicon wafer obtainable readily by zone refining?
• Then masks are laid, light is shined on the chip to ablate silicon material
• Ions are implanted
• Silicon dioxide insulator is implanted

See Also

• Sam Zeloof did this lab scale, and showed how on youtube