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← ScienceFor surface acoustic wave (SAW) devices, which outcome limits minimum feature size?
A)Rayleigh wavelength spatial function blurring✓
B)Electrical impedance parasitic capacitance loading
C)Material acoustic impedance mismatch reflection
D)Transducer finger electromigration failure cascade
💡 Explanation
Blurring limits feature size in SAW devices because the *Rayleigh wavelength* dictates resolution. The spatial function representing the wave broadens due to diffraction, therefore definition worsens, rather than parasitic capacitance or electromigration, which impact performance given fabrication limits.
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