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What is a semiconductor?
A semiconductor is a material that has electrical conductivity between a conductor and an insulator, typically silicon or germanium, and is used in electronic devices.
What is the purpose of doping in semiconductors?
Doping introduces impurities into a semiconductor to modify its electrical properties, enabling the creation of p-type or n-type materials.
What is the difference between a p-type and n-type semiconductor?
A p-type semiconductor has an abundance of holes (positive charge carriers), while an n-type semiconductor has an abundance of electrons (negative charge carriers).
What is a cleanroom, and why is it important in semiconductor manufacturing?
A cleanroom is a controlled environment with low levels of pollutants like dust and airborne particles. It is essential for semiconductor manufacturing to prevent contamination during production.
What is a wafer in semiconductor manufacturing?
A wafer is a thin slice of semiconductor material, such as silicon, used as a substrate to build integrated circuits.
What is photolithography?
Photolithography is a process used in semiconductor manufacturing to transfer patterns onto a wafer using light and photosensitive materials.
What is Moore's Law?
Moore's Law is the observation that the number of transistors on a microchip doubles approximately every two years, leading to exponential growth in computing power.
What is Chemical Vapor Deposition (CVD)?
CVD is a process used to deposit thin films onto a substrate by reacting gaseous precursors in a controlled environment.
What is the role of etching in semiconductor manufacturing?
Etching is a process used to remove layers from a wafer's surface to create specific patterns or structures as part of chip fabrication.
What challenges does scaling down transistor sizes pose?
Scaling down transistor sizes leads to challenges like increased heat generation, quantum effects, and difficulties in maintaining reliable performance.
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