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← TechnologyWhich mechanism limits precision during silicon wafer surface grinding?
A)Thermoelastic deformation instability✓
B)Acoustic modal interference
C)Spindle speed harmonic resonance
D)Abrasive particle size segregation
💡 Explanation
Thermoelastic deformation instability limits wafer precision because frictional heat causes uneven expansion. Therefore, localized peaks compromise flatness rather than uniform thermal effects or other mechanical vibrations. The thermal gradients induce stresses.
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