Laboratory iso6 clean room - anti-static, acrylic, iron cube, AC fan
Class 5 Clean Shed: This is the highest level of clean environment, suitable for occasions with extremely high cleanliness requirements, such as the production of semiconductor chips. At this level, the number of particles in each cubic meter of air shall not exceed 0.5, requiring the use of high-efficiency filtration systems and strict airflow control measures.
Thousand clean shed: this level of cleanliness is relatively high, applicable to certain product quality has certain requirements but less stringent occasions. Class 6 clean shed in the number of particles per cubic meter of air shall not exceed 20, the same need to use high-efficiency filters and appropriate airflow control.
Class 7 clean room: Class 7 clean room has relatively low cleanliness requirements and is usually used for production processes that do not require very high cleanliness. Under this class, the number of particles per cubic meter of air must not exceed 10,000, which can be achieved by ordinary filtration equipment and ventilation.
Table of cleanliness levels
Filtration Principle
The filtration principle of a clean room is its most basic purification mechanism. By installing high-efficiency filters, such as HEPA (High Efficiency Particulate Air Filter) or ULPA (Ultra High Efficiency Particulate Air Filter), tiny particles in the air can be effectively captured and removed, ensuring that the air quality reaches a predetermined cleanliness level.
Airflow Principle
The airflow principle involves the direction and speed of air flow, which is critical to maintaining cleanliness inside a clean room. There are two general types of airflow: vertical (laminar) and parallel. Vertical flow means that air flows vertically from one point to another, whereas horizontal flow follows a horizontal direction. Both methods are effective in avoiding cross contamination and keeping the air pure.
Control Principles
The control principle of a clean room covers the monitoring and management of parameters such as temperature, humidity and pressure. Precise control of these parameters helps to provide a stable production environment and prevent product quality problems caused by environmental changes.
Personnel Behavior Control Principle
Personnel are an important potential source of contamination in clean rooms. Therefore, strict management of personnel behavior inside the clean room, including wearing specific clean clothing and following specific courses of action, is a key measure to reduce secondary contamination.
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