Definition of Ulpa

Integrated Circuit Terminology
ULPA
Ultra Low Particle Air - a type of air filter that removes 99.999% of particles 0.12µm or larger.

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ULPA Definition from Encyclopedia Dictionaries & Glossaries

Wikipedia English - The Free Encyclopedia
ULPA
ULPA is an acronym for "ultra low penetration air".

An ULPA filter (theoretically) can remove from the air at least 99.999% of dust, pollen, mold, bacteria and any airborne particles with a size of 0.12 micrometres or larger.


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