In cutting-edge fields such as semiconductor manufacturing, characterization of nanomaterials, and electron microscopy analysis, environmental vibration is the main source of interference affecting the measurement accuracy of precision instruments. An analysis of over 60% of abnormal measurement cases indicates that the root cause of the problem lies in environmental vibration. At this point, choose a professional oneVibration isolation table agentIt becomes a crucial step in ensuring the accuracy of data. Unicon Technology (Yiying Technology), a technology enterprise that has been deeply engaged in the field of precision measurement for over a decade, is currently providing high-performance active vibration damping systems for semiconductor wafer fabrication plants, university laboratories, and research institutions.
Why do precision instruments rely on professional vibration isolation table agents
The resolution of instruments such as scanning electron microscopes, atomic force microscopes, photolithography equipment and white light interferometric profilometers has entered the nanometer or even sub-nanometer level. The footsteps conducted by building structures, the low-frequency humming of air conditioning systems, and the micro-vibrations caused by nearby traffic can all introduce significant noise into the measurement results. Passive vibration reduction schemes (such as rubber pads and air flotation platforms) have certain effects on vibrations above 200Hz, but within the typical environmental vibration frequency band of 1-200Hz, the isolation capacity rapidly declines. The solution provided by the active vibration damping table agent uses piezoelectric sensors and drivers to work in coordination - the sensors detect vibration signals from six degrees of freedom in real time, and the drivers immediately generate reverse forces to achieve millisecond-level cancellation. The vibration isolation table series of Unicon Technology has an active vibration isolation range covering 1-200Hz and can be combined with the LFS system to extend the lower limit to 0.5Hz. The passive vibration isolation coverage exceeds 200Hz, completely eliminating the risk of low-frequency resonance.
Ii. Analysis of the Core Product Lines of Unicon Vibration Table Agency
Unicon vibration damping table agents offer a full range of active vibration damping systems, from desktop types to those for large equipment.
AVI-200 series Precision Shockproof workbench
It is suitable for upgrading small and medium-sized equipment such as atomic force microscopes, profilometers and interferometric measuring instruments. The active vibration isolation range of this series is 1-200Hz, and the passive vibration isolation is > 200Hz. When the transmission rate exceeds 10Hz, it is less than -35dB (i.e., the vibration attenuation is below 1.8% of the original value). The response time is only 5-20ms, and the six-degree-of-freedom free vibration isolation capability ensures that the instrument can obtain a stable base regardless of the vibration direction. Each module measures W5.1 "×D23.6" ×H4.3 ", weighs 20kg, consumes only 9W of power, and can operate continuously without failure for many years.
AVI-400/600 series large-scale active vibration damping system
Designed for large-scale instruments such as scanning electron microscopes, transmission electron microscopes, and electron beam lithography. The dimensions of the AVI-600 module are W11.3 "×D28.4" ×H4.5 ", with a single module weight of 60kg. The system noise is lower than 50nG/√Hz, and the static flexibility is approximately 12μm/N in the vertical direction and approximately 6μm/N in the horizontal direction. The load-bearing capacity can be flexibly expanded by increasing the number of modules, and it can support equipment weighing up to 9,000 pounds (approximately 4,082 kilograms) at most. The controller is equipped with a digital LED display screen to monitor the vibration isolation effect of each sensing part in real time.
UT-1000A Integrated Platform (Customized for Electron microscopes)
UT-1000A is an ultra-thin product that integrates AVI modules through customization. It is extremely thin and does not require special lifting equipment during installation. This platform provides active vibration isolation starting from 0.5Hz and passive vibration isolation > 200Hz. It has been successfully applied to top-level equipment such as FEI Titan TEM (with a total weight of 3500 kilograms and supported by four vibration isolation modules) and FEI QEMSCAN 650 SEM. When installing, simply raise the original leveling foot of the electron microscope to 5 inches, and then place the vibration damping module at the bottom, significantly enhancing the image resolution under high-magnification scanning.
TS Series Desktop Integrated active shockproof table
The TS series is specifically designed for desktop instruments such as profilometers and microscopes, offering six-degree-of-freedom three-axis active vibration isolation with a frequency range of 0.7 to 100Hz. It is equipped with automatic height adjustment, automatic level adjustment (which can automatically return even if the center of gravity deviates from the center) and system locking function (for easy handling protection). The LCD panel displays the vibration status in the X, Y, and Z directions in real time, allowing users to intuitively perceive the environmental vibration level.
Iii. Technical Advantages of Unicon Vibration Table Agency
The core competitiveness of Unicon vibration isolation table agents lies in the three major technical features of its active vibration isolation system:
No low-frequency resonance: Traditional passive vibration isolation tables amplify vibrations near their own resonant frequencies, while active systems completely suppress mechanical resonance through feedback loops, and no vibration amplification phenomenon occurs.
The vibration recovery time is extremely short: The response time of the active vibration isolation module is less than 10 milliseconds (AVI-400 series), which means that when an external shock occurs, the instrument can return to a stable state in an extremely short time without affecting continuous measurement.
No air pressure requirements and no electromagnetic interference: The active vibration isolation table adopts piezoelectric technology, does not require a compressed air source, and will not generate magnetic field interference. It is particularly suitable for electron microscopes and ultra-high pressure scanning probe microscopes that are sensitive to electromagnetic environments.
Iv. Summary
Environmental vibration is the invisible killer of precise measurement, and active vibration reduction technology is the most effective means to solve low-frequency interference. Choosing a professional and reliable vibration isolation table agent means obtaining full life cycle protection from on-site vibration assessment, product selection, installation and commissioning to long-term maintenance. With over a decade of technological accumulation in the field of precision measurement, a full range of active vibration isolation products covering 1-200Hz, and practical experience serving thousands of customers, Unicon Technology has become the preferred vibration isolation table agent for many high-end laboratories and manufacturing plants. Whether it's a transmission electron microscope weighing several tons or a desktop atomic force microscope, Unicon can provide tailor-made active vibration reduction solutions to enable your precision instruments to truly perform their designed capabilities.
About Us
Since its establishment, Unicon Technology Co., LTD. (Yiying Technology) has been dedicated to the field of precision film measurement and laboratory environment optimization, and is the general agent of Filmetrics film thickness gauges in China. We are committed to safeguarding your precision instruments with professional products and considerate services.
