What process did Atalla develop at Bell Labs?
Oxidation
Surface passivation
Doping
Etching
Answer
Surface passivation, developed by Atalla at Bell Labs, involves treating the surface of a semiconductor to reduce the number of dangling bonds and defects. This process creates a protective layer that prevents the formation of an inversion layer, which can lead to leakage currents and other undesirable effects. Surface passivation is essential for the fabrication of modern semiconductor devices, including transistors, diodes, and integrated circuits.
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