Validation
Cleanrooms are validated to a required class of cleanliness. The level of cleanliness chosen is driven by user requirements. Cleanroom classes are defined in ISO14644-1:
Methods for evaluation and measurements for Certification are specified in
Once certified to a particular class the Cleanroom factors are monitored to ensure that parameters have not drifted, or changed, and that the environment is under control.
Standards
- US FED STD 209 E
- ISO 14644-1
- IEST- RP-CC-002-2
It calls out for the following tests.
- Airborne particle count test
- Airflow test
- Air pressure differential test
- Airflow direction test
- Temperature test
- Humidity test
