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Module 3: Fabrication Techniques

20262m

In UV lithography, ultraviolet radiation is primarily used to:

(i) Pattern a photosensitive material
(ii) Pump fluid directly
(iii) Concentrate biological cells
(iv) Measure fluid pressure

Worked SolutionAI Assisted

Answer: (i) Pattern a photosensitive material

UV light changes the solubility of the photoresist in the exposed regions, which defines the pattern after development.

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