Ficha de revisão: Cleanroom Fundamentals

Course Outline

  1. Cleanroom Purpose and Filtration

1. Cleanroom Purpose and Filtration

Key Concepts & Definitions

  • Cleanroom : An enclosed area where airborne particles and molecular contamination from the atmosphere, personnel, equipment, and processes are reduced by controlling filtration, airflow direction and speed, pressure, temperature, and humidity.

★ Must-know

  • Air entering the cleanroom passes through HEPA filters installed in the ceiling.

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.

Synthesis Tables

Cleanroom Classes

ClassParticle limitRelative cleanlinessMaintenance and cost
Class 100Less than 100 particles of 0.5 micron or larger per cubic foot of airCleaner than Class 1000Harder to maintain and more costly than higher-number classes
Class 10Less than 10 particles of 0.5 micron or larger per cubic foot of airCleaner than Class 100Harder to maintain and more costly than higher-number classes

Teste seu conhecimento

Teste seu conhecimento sobre Cleanroom Fundamentals com 2 perguntas de múltipla escolha com correções detalhadas.

1. What is the primary purpose of a cleanroom?

2. Where are HEPA filters installed to filter air entering a cleanroom?

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Revisar com flashcards

Memorize os conceitos chave de Cleanroom Fundamentals com 4 flashcards interativos.

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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