Computer Chips Depend on Accurate Particle Counting

Particle counting is necessary to make cellphones or laptops function properly. These, and many more devices, run on semiconductors which are manufactured by semiconductor companies in clean-rooms with strict standards for air quality.

A clean-room is a work area with an extremely low level of environmental pollutants. The level of contamination in a clean-room must be controlled to conform with a predetermined number of particles per cubic meter, with no particle exceeding a specified size. It is the task of particle counting that ensures compliance with these standards. A clean-room can be as large as an entire factory where the air from the environment is processed to filter out contaminants then recirculated through high efficiency particulate or ultra-low particulate air filters.

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