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The main role of purification workshop

Author:Source:Visits:Date:2017/1/3 9:22:49

The most important role of the purification plant is to control the product (such as silicon chips, etc.) exposure to the atmosphere of cleanliness and temperature and humidity, so that the product can be a good environment in the production and manufacture of this space we call the purification plant. In accordance with international practice, clean clean level is mainly based on the air per cubic meter of particle diameter is greater than the number of particles specified in the standard. That is the so-called clean dust is not 100% without a little dust, but control in a very small amount of units. Of course, this standard dust-compliant particles are small compared to our common dust, but for the optical structure, even a little bit of dust will have a very large negative impact, so the production of optical construction products , Clean room clean dust is an inevitable requirement.

Purification workshop per cubic meter will be less than 0.3 micron particle size of the dust control in 3500 below, to achieve the international clean standard A level. The current purification plant applications in the chip-level production and processing of dust-free standards for dust requirements higher than the A-level, such a high standard is mainly used in some higher level chip production. 5μm and below the number of dust is strictly controlled in less than 1000 per cubic meter, which is commonly known as the industry 1K level.

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