Chip Manufacturing - How Are Microchips Made? | Infineon -

A blast of deep ultraviolet light shot through the mask. Where the light hit the wafer, the "batter" hardened; where it was blocked, it remained soft. With a chemical wash, the soft parts vanished, leaving behind the skeletal remains of a circuit.

"Time for the coat," he muttered, adjusting his clean-room suit. Chip Manufacturing - How are Microchips made? | Infineon

Finally, the . A diamond saw screamed through the silicon, separating the wafer into hundreds of individual chips, each no bigger than a fingernail. A blast of deep ultraviolet light shot through the mask

But a skeleton has no soul. To give the chip "life," Silas moved to . He watched the monitors as machines bombarded the silicon with specific atoms, turning bits of the wafer into conductors or insulators. This created the transistors—the tiny switches that would soon be snapping on and off billions of times a second. "Time for the coat," he muttered, adjusting his

The process was a high-stakes dance called . First, a light-sensitive liquid—the photoresist—was spun onto the wafer, coating it in a perfect, glassy film. Then came the stencil, or "mask." It held the blueprint of a labyrinth so complex that if you enlarged it, it would look like a map of every street in the world overlapping ten times.

Days passed. Layer upon layer of copper "highways" were laid down to connect the transistors. By the end, the wafer looked like a shimmering city seen from orbit.

Silas picked up a finished chip with vacuum tweezers. This tiny sliver of sand and light was destined for a high-end electric car. It would manage power, save energy, and perhaps, one day, help a family get home safely in a storm.