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Analysis of sources of particles in dustfree room
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Source of generation
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Percent（%）
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Source of
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Percent（%）
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Leakage from air
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7
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Generated from production
|
25
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Brought from raw material
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8
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Caused by artificial factors
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35
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Generated from equipment operation
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25
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According to the analysis of sources of particles in dustfree room, carry out overall control of the cleanliness of the dustfree room.
| I. Personnel control: carry out strict standard control of dustfree clothes placement and personnel coming in and out of the dustfree room. |
| II. Material control: carry out strict standard control of material turnover in the dustfree room. |
| III. Production control: use production equipment with low rate of fume generation, and perform overall and periodic cleanliness control. |
| IV. Dustfree monitoring control: in light of the pressure, wind speed, particle, brightness and noise in the dustfree room, conduct overall periodical monitoring and testing, and make the dustfree room in normal operation status from time to time. |
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Testing of wind speed of high
efficiency filter |
Testing of pressure difference of the
dustfree room |
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| Testing of particles in dustfree room |
Dustfree room differentialmeter |
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