Cleaning room-clean room is a special designed room that removes particulates, harmful air, bacteria and other pollutants from the air in a certain space, and controls the indoor temperature, cleanliness, indoor pressure, airflow velocity and airflow distribution, noise, vibration, lighting and static electricity in a certain demand range. That is to say, no matter how the external air conditions change, the indoor air can maintain the cleanliness, temperature, humidity and pressure of the original set requirements.
The main function of the clean room is to control the cleanliness day, temperature and humidity of the atmosphere in which the products (such as silicon chips) are exposed, so that the products can be produced and manufactured in a good environment space, which we call the clean room. According to international practice, the dust-free purification level is mainly determined by the number of particles whose diameter is larger than the partition standard in each cubic meter of air. That is to say, the so-called dust-free is not 100% without any dust, but controlled in a very small amount of units. Of course, the dust-compliant particles in this standard are tiny relative to the common dust, but for optical construction, even a little dust will have a very big negative impact, so in the production of optical construction products, dust-free is an inevitable requirement.
Clean Room, also known as dust-free workshop, dust-free room or clean room. The main function of clean room is indoor pollution control. Without clean room, it is impossible to produce pollution sensitive parts in batches.
In FED-STD-2, a clean room is defined as a room with air filtration, distribution, optimization, construction materials and devices, in which a specific and regular operating procedure is used to control the concentration of suspended particulates in the air to achieve an appropriate level of particulate cleanliness. The cleanliness and the sustained stability of pollution control are the core standards for the quality of clean rooms. According to the factors of regional environment and cleanliness, the standards are divided into several grades. There are commonly used international standards and domestic regional industry standards. Besides the current standards, some well-known purification engineering companies also have their own cleanliness indicators which are higher than the international standards. Chemical ability and environmental adaptability are far beyond international brands.