3. Wafer + TermCL

What is the opaque plate with microscopic electrical circuits pattern that’s required for semiconductor Photolithography process called?

• Photomask
• Wafer
• Photoresist
• Contact

What semiconductor material is mostly used in integrated circuits?

• Ge
• Si
• GaAs
• Fe

Which of the following is not a step in Photolithography?

• Annealing
• Etching
• Exposure
• Crystal Growing

In semiconductor manufacturing, what does the term "CMP" stand for?

• Controlled Manufacturing Process
• Chemical Mechanical Planarization
• Crystal Manufacturing Procedure
• Circuitry Metal Plating

In semiconductor manufacturing, what does the term "yield" refer to?

• The amount of silicon used in a process
• The percentage of functional devices produced
• The thickness of the oxide layer
• The temperature during wafer fabrication

Which of the following is a commonly used material for gate electrodes in MOS transistors?

• Silicon dioxide
• Aluminum
• Gold
• Polysilicon

What is the purpose of the photomask in semiconductor lithography?

• To clean the wafer surface
• To grow an oxide layer on the wafer
• To create a pattern on the wafer
• To measure the thickness of the wafer

In semiconductor processing, what does the term "doping" refer to?

• Cleaning the wafer surface
• Introducing impurities into the semiconductor material
• Etching the pattern on the wafer
• Polishing the wafer

Which step in semiconductor manufacturing involves heating the wafer to remove defects and activate dopants?

• Etching
• Annealing
• CMP
• Doping

What is the function of the gate oxide layer in a MOS transistor?

• To isolate the transistor from others
• To provide mechanical support to the transistor
• To control the flow of current between the source and drain
• To clean the wafer surface