Searching For The Flaws That Make Silicon SingPetti Fong
We normally think of defects as bad. however, in silicon chips, they're essential. Why? Pure silicon is useless for circuits. Only when certain impurities are embedded in silicon does it become a semiconductor. Implanting these defects, a process called doping, must be precisely controlled. But that precision is getting tougher as circuit pathways on chips keep shrinking.
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