ElI5 how microchips have millions of transistors without placing them individually

Question

ElI5 how microchips have millions of transistors without placing them individually

In: 5

Answer 1

They’re not separate parts that are placed. Consider it like text that’s carved into stone or printed on paper The letters aren’t separate things that are placed into the rock or paper. They’re formed by removing stone or adding ink. Similarly, the transistors are built into the silicon by printing on or carving into he material.