BS EN ISO 14644-9:2012
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF
08-07-2022
English
31-08-2012
This part of ISO14644 establishes the classification of cleanliness levels on solid surfaces by particle concentration in cleanrooms and associated controlled environment applications. Recommendations on testing and measuring methods, as well as information about surface characteristics, are given in AnnexesA to D.
This part of ISO14644 applies to all solid surfaces in cleanrooms and associated controlled environments, such as walls, ceilings, floors, working environments, tools, equipment and products. The classification of surface cleanliness by particle concentration (SCP) is limited to particles between 0,05µm and 500µm.
The following issues are not considered in this part of ISO14644:
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requirements for the cleanliness and suitability of surfaces for specific processes;
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procedures for the cleaning of surfaces;
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material characteristics;
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references to interactive bonding forces or generation processes that are usually time-dependent and process-dependent;
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selection and use of statistical methods for classification and testing;
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other characteristics of particles, such as electrostatic charge, ionic charges, microbiological state, etc.
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