In advanced semiconductor manufacturing, equipment performance limits often stem not from structural design but from the “invisible yet omnipresent” factor of micro-vibration. From bonding equipment to precision motion stages, and from inspection systems to high-end optical instruments, micro-vibration directly impacts processing accuracy, alignment precision, and yield stability. Accurately measuring, scientifically evaluating, and effectively controlling vibration has become critical for equipment R&D and optimization. Kistler accelerometers, with their outstanding performance, have become essential measurement tools for numerous semiconductor equipment manufacturers.

Acceleration Measurement: The Best Entry Point for Micro-Vibration Analysis
Micro-vibration exhibits high-frequency, small-displacement characteristics (nanometer to micrometer scale), making direct displacement measurement challenging. Acceleration signals can be integrated once to obtain velocity and twice to obtain displacement, enabling complete reconstruction of vibration information. While low-frequency integration introduces drift errors, these can be effectively suppressed using frequency-domain integration, appropriate low-frequency cutoff selection, detrending, and bandpass filtering.

Core Advantages of Choosing Accelerometers

Full frequency response: Covers the multi-frequency nature of equipment vibrations over a wide dynamic range.

Adaptable to complex conditions: Easy to install, supports multi-point placement, especially suitable for structurally complex, space-constrained semiconductor equipment.

Compared to laser displacement sensors: No complex optical alignment required; can be attached directly to critical surfaces, fits confined spaces, facilitates three-axis simultaneous measurement.

Complete vibration characteristics from one measurement: Acceleration, velocity, and displacement – all parameters derived.

Kistler accelerometers help engineers capture vibration excitation at the source, providing reliable data support for precision optimization and yield improvement in semiconductor equipment.