★ Must-know
Further detail
HEPA filters trap airborne dust, mist, smoke, fumes, and suspended microorganisms such as bacteria.
Cleanroom contamination comes from the atmosphere and can also arise from operating personnel, equipment, and processes.
Cleanroom Classes
| Class | Particle limit | Relative cleanliness | Maintenance and cost |
|---|---|---|---|
| Class 100 | Less than 100 particles of 0.5 micron or larger per cubic foot of air | Cleaner than Class 1000 | Harder to maintain and more costly than higher-number classes |
| Class 10 | Less than 10 particles of 0.5 micron or larger per cubic foot of air | Cleaner than Class 100 | Harder to maintain and more costly than higher-number classes |
Pon a prueba tus conocimientos sobre Cleanroom Fundamentals con 2 preguntas de opción múltiple con correcciones detalladas.
1. What is the primary purpose of a cleanroom?
2. Where are HEPA filters installed to filter air entering a cleanroom?
Memoriza los conceptos clave de Cleanroom Fundamentals con 4 tarjetas de memoria interactivas.
What is a cleanroom?
An enclosed area controlling particles and contamination by filtration and environmental factors.
Where are HEPA filters installed in a cleanroom?
In the ceiling.
What do HEPA filters trap in cleanroom air?
Airborne dust, mist, smoke, fumes, and microorganisms.
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