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← TechnologyWhich outcome occurs when accumulated errors degrade encoder feedback in a wire bonding machine?
A)Bond head positional inaccuracy increases✓
B)Ultrasonic transducer amplitude decreases
C)Capacitor discharge cycle accelerates rapidly
D)Heater element resistance drifts randomly
💡 Explanation
Positional inaccuracy increases in high-precision wire bonding because error accumulation causes missed steps in the PID closed-loop control mechanism. This leads to incorrect bond placement; therefore positional inaccuracy increases, rather than motor speed decreasing if feedback remained consistent.
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