Production of Semiconductors (Leaving Cert Engineering): Quizzes
📚Quizzes
Practise the questions
13 questions from this quiz
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Practise the questions
13 questions from this quiz
How many transistors can a modern semiconductor chip contain?
How many transistors can a modern semiconductor chip contain?
Over 50 billion
What is the starting material for silicon production?
What is the starting material for silicon production?
Sand
What is the current industry standard diameter for silicon wafers?
What is the current industry standard diameter for silicon wafers?
12 inches
What is the purpose of wet oxidation in wafer preparation?
What is the purpose of wet oxidation in wafer preparation?
Creates protective silicon dioxide layer
What process transfers complex circuit designs onto the wafer surface?
What process transfers complex circuit designs onto the wafer surface?
Photolithography
What material is used for the photomask substrate?
What material is used for the photomask substrate?
Ultra-pure quartz
What feature size can plasma etching achieve?
What feature size can plasma etching achieve?
Below 10 nanometres
What protects areas during the etching process?
What protects areas during the etching process?
Photoresist
Which CVD variant uses heat energy for thin-film deposition?
Which CVD variant uses heat energy for thin-film deposition?
Thermal CVD
What is the purpose of dielectric layers in semiconductors?
What is the purpose of dielectric layers in semiconductors?
Electrically isolate components
What advantage does copper offer over aluminium for interconnects?
What advantage does copper offer over aluminium for interconnects?
Better electrical conductivity
What does the EDS process verify before packaging?
What does the EDS process verify before packaging?
Chips meet manufacturer specifications
Which function is NOT provided by semiconductor packaging?
Which function is NOT provided by semiconductor packaging?
Circuit pattern creation