Hard disk (HDD) manufacturers are locked in a tight race—competing with SSDs on cost and reliability. Add faster computer performance demands and tiny recording sections on platters, and your HDDs need stricter quality control than ever. The solution? Optimal contamination control to shield these business-critical components.
Why Cleanroom Control Is Non-Negotiable for HDDs
Total cleanroom contamination control keeps disk surfaces spotless—and that’s non-negotiable. Dust, particles, and chemicals stick to disks and recording heads, and even a tiny issue causes problems: surface dust scratches components, and small defects ruin quality or trigger data loss. Cleanliness = reliability for HDDs.
Key HDD Contamination Sources
Pre-filter, activated carbon filter, ultrafiltration/reverse osmosis filter
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– Workers, equipment, and construction materials
– Cassette materials, process chemicals, and packing
– Static electricity, indoor air, and outdoor air seepage
Hidden Harm of Molecular Contamination
Chemical (molecular) contamination is just as damaging:
– Builds up on heads/disks, causing stiction (parts sticking)
– Corrodes components via organic/inorganic acids
– Mess with the head’s critical flying height
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