Quiz: Inside the Chip Fabrication Process: From Sand to Silicon

Question 1

What is the primary component of sand that is used to create silicon wafers for chips?

Accepted Answer

Quartz

Answer

Calcium carbonate

Answer

Feldspar

Answer

Mica

Question 2

Which process is used to purify sand into silicon for chip fabrication?

Accepted Answer

Reduction with carbon

Answer

Fractional distillation

Answer

Electrophoresis

Answer

Chromatography

Question 3

At approximately what temperature does silicon melt during the chip fabrication process?

Accepted Answer

1414°C

Answer

500°C

Answer

800°C

Answer

2500°C

Question 4

What is the purpose of doping in the chip fabrication process?

Accepted Answer

To change the electrical properties of silicon

Answer

To remove impurities from silicon

Answer

To increase the mass of the silicon wafer

Answer

To create a protective coating on the wafer

Question 5

Which layer is added to a silicon wafer to protect it during further processing stages?

Accepted Answer

Oxide layer

Answer

Photoresist

Answer

Doping layer

Answer

Metallization layer

Question 6

What technique is used to transfer circuit patterns onto a silicon wafer?

Accepted Answer

Photolithography

Answer

Mechanical stamping

Answer

Hand etching

Answer

Thermal printing