Practice Working Principle (7.2.1) - Chapter 7: Fabrication and Nanolithography Techniques

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6 sample questions

Question 1.
What light is used in photolithography?
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Think about the part of the electromagnetic spectrum.
Question 2.
What is a photoresist?
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What material changes chemically when exposed to light?
3Question 3.
Photolithography uses which type of light?
- Infrared
- Ultraviolet
- Visible
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Consider the part of the spectrum that is harmful but effective against the resist.
4Question 4.
True or False: Photolithography can create features smaller than the wavelength of the light used.
- True
- False
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Recall the effect of light behavior on small particles.
Question 5.
Explain how the limitations of photolithography might steer researchers toward alternative lithography methods.
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Consider the advantages each method offers for different scales of production.
Question 6.
Discuss how the materials used in photoresists can impact the quality of patterns produced.
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Think about how different materials behave under UV light.

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