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← ScienceWhich outcome causes the limited resolution in optical lithography?
A)Diffraction causes feature size limits✓
B)Aberration reduces the contrast ratio
C)Reflection creates standing wave artifacts
D)Refraction induces pattern placement errors
💡 Explanation
When light passes through the mask aperture, diffraction causes wavefront divergence hindering imaging of features smaller than the Rayleigh criterion; therefore resolution is limited by this diffraction, rather than by pattern errors, because aberrations affect contrast.
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