Wafer Manufacturing Quiz

What is the main reason why silicon is preferred in wafer manufacturing?

• Abundant and cheap

• Rare and expensive

• Unstable and weak

• Toxic and harmful

Which of the following is NOT a wafer orientation mentioned in the text?

• <100>

• <111>

• <010>

• <110>

What is the purpose of epitaxial silicon in wafer manufacturing?

• To create a flat surface

• To remove defects from the wafer surface

• To grow a thin layer of silicon on a wafer

• To polish the wafer edges

Which method is more popular for crystal pulling in wafer manufacturing?

• None of the above

• Both equally popular

• CZ method

• Floating Zone

What is the purpose of wet etch in the wafer manufacturing process?

• To polish the wafer edges

• To grow a thin layer of silicon on a wafer

• To create a flat surface

• To remove defects from the wafer surface