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Tag: chemical suppliers

Aerosol Particle Monitoring for semiconductor
CASE STUDY: Using a 20 nm Particle Counter for Filter Cleanliness Testing
Posted on March 31, 2021

Real-time data provided by the Chem 20 allows the user to evaluate the actual performance of their particle filters. For older filters, the Chem 20 can be used to determine whether the filter is still performing satisfactorily, or if it needs replacement.

data qualtiy
Checking Chemical Particle Cleanliness of Incoming Deliveries
Posted on March 10, 2021

When receiving deliveries of high-purity process chemicals from the chemical supplier, semiconductor manufacturers will often check particle measurements to verify the chemical is sufficiently clean before accepting it into their facility. If they don’t, their filtration system might not adequately clean it of impurities, even after repeated circulation.

Contamination in Chemical Supply
Controlling Contamination in Chemical Supply
Posted on March 3, 2021

As the critical particle size for semiconductor devices continues to shrink, the purity of the process chemicals used in their manufacture becomes increasingly important. Chemical suppliers will use a variety of techniques, including filtration, distillation, and ion exchange, to achieve the lowest possible particle contamination levels in their product.

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