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Reply To: | TechNet E-Mail Forum. |
Date: | Wed, 4 Feb 2004 17:05:52 -0700 |
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Peter,
The general rule of thumb is to maintain rH between 30% and 50%.
Below 30% there are ESD issues. Above 50% there are
contamination/corrosion issues.
David A. Douthit
Manager
LoCan LLC
Peter L. wrote:
>Technet,
>
>What is the typical humidity/ temperture (nominal and +/-) for a CEM
>production environment?
>
>Is there an industry "acceptable" range?
>
>We are located here in the west coast and have seen relative humidity level
>varied from low 30s% (winter) to high 60s in the summer. Under what
>conditions should a HVAC control system be introduced and without that,
>what would be the potential impact on the overall manufacturing process?
>
>
>Rgds,
>Peter
>
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