Application and Selection of Ionizing Air Blowers in Cleanrooms

01 Technical Principles

Within cleanroom environments, static buildup not only adsorbs suspended particulates and contaminates product surfaces but may also trigger microcircuit breakdown and biological sample failure. For wafer carriers, polymer packaging materials and other products, conventional grounding measures fail to deliver adequate static elimination across diverse environments and scenarios. Ionizing air blowers generate positiveion and negativeion clusters via ionization technology for efficient neutralization of surface charges on objects. Operating principle: highvoltage electrodes ionize air to produce charged airflow blown toward target surfaces by fans. Charged surfaces attract ions of opposite polarity, achieving charge neutralization.

02 ParticleGeneration Concerns

Despite satisfactory staticcontrol performance, particulate pollution originating from mechanical structures during operation constitutes a major barrier for ionizing air blowers deployed in cleanrooms. Core risks stem from fan shaft system wear: bearings of ordinary fans generate submicron metallic debris from metalplastic friction under highspeed rotation, while siliconebased grease releases organosilicon vapors. Such pollutants directly reduce product yield in Class1000 and highergrade clean environments. Research indicates conventional fans release over 50,000 particles ≥0.3 μm per hour in initial runtime. Secondary pollution from airflow disturbance and turbulence must also be weighed during equipment selection, with elevated risks in ultrahighclean zones.

03 ModernDay Solutions

To mitigate abovementioned drawbacks, nextgeneration conceptual ionizing blowers achieve technical breakthroughs via material upgrades, structural optimization and system integration. Representative innovations include dustfree fan technology, integrated designs combining ion blowers with highefficiency filters, and schemes utilizing positivepressure cleanroom airflow instead of mechanical fans. These developments highlight limitations of legacy ion blowers for cleanspace applications.

Future technical priorities extend beyond staticelimination performance improvements. Solutions must satisfy practical cleanroom operational requirements, focusing on fanless ion generation and IoTenabled realtime monitoring for ion output efficiency and filter status. Special attention should be paid to selfparticle emission, ozone hazards and maintenance costs for applications in electronics, semiconductors and biotechnology industries.

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