Chips can be considered one of the pinnacles of human industrial achievement, and they are truly important in this era, as various electronic devices around us cannot function without them.
So, how many mysteries does a chip the size of a fingernail contain?
Recently, the Bilibili uploader “影视飓风” (Cinema Hurricane) dismantled and filmed more than a dozen chips to explore their microscopic structures.
They used a scanning electron microscope to capture images of the chips magnified tens of thousands of times, and astonishingly, they could see individual transistors.
The inside of a chip contains not just billions of transistors but also more than a dozen metal layers that bear the critical functions of powering and transmitting signals to the transistors, forming complex logical circuits.
When the chip is magnified tens of thousands of times, we can see its intricate internal structures and components. At this magnification, the structure of the chip appears as a complex network similar to overpasses and highways.
These networks are made up of countless tiny metal lines, which are responsible for transmitting electrical signals within the chip, thereby enabling various functions.
These metal lines are usually only a few dozen nanometers wide, far smaller than the diameter of a human hair. This precise manufacturing process requires extremely high precision and technical level, hence chip manufacturing is considered one of the limits of human precision manufacturing.
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