Production of Semiconductors (Leaving Cert Engineering): Quizzes

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Production of Semiconductors
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How many transistors can a modern semiconductor chip contain?

Over 50 billion transistors

What raw material does silicon production start from?

Ordinary sand

What is the current industry standard diameter for silicon wafers?

12 inches

What protective layer does wet oxidation create on the silicon wafer?

Silicon dioxide

What material is used to create the photomask substrate?

Ultra-pure quartz

What feature size can plasma etching achieve?

Below 10 nanometres

Which three variants of CVD are mentioned in semiconductor production?

Thermal, plasma-enhanced, optical

What is the primary function of dielectric layers in thin-film deposition?

Electrically isolate components

What advantage does copper have over aluminium for interconnects?

Better electrical conductivity

What does EDS stand for in semiconductor quality control?

Electrical Die Sorting

Which is NOT a function of semiconductor packaging?

Circuit design

What tool is used to dice wafers into individual chip units?

Diamond cutters

What advanced lithography technique is mentioned for future semiconductor development?

Extreme Ultraviolet lithography

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