How many grades can dust-free purification workshops be divided into?

The dust-free purification pharmaceutical cleanroom can be divided into six levels. Class 1, Class 10, Class 100, Class 1000, Class 10000 and Class 100000: Class I dust-free workshops are mainly used in the microelectronics industry that manufactures some integrated circuits, while the precision requirements relative to integrated circuits are sub-micron. Class 10 cleanrooms are mainly used in the semiconductor industry with processing widths less than 2 microns. Many people think that the class 100 clean room is the most commonly used and the most important. People mistakenly think that the class 100 clean room is to illustrate the higher requirements for the sterile environment. Generally, a class 100 clean room is used for aseptic manufacturing in the pharmaceutical industry, mainly for surgery, just as it can be used for post-operative isolation of bone marrow transplant patients. Class 1000 is generally used to produce high-quality optical products. Class 10,000 dust-free workshops are mainly used to assemble hydraulic pharma machinery or backlog equipment. Of course, it is also sometimes used in the food and beverage industry, and is also common in the medical industry. Class 10,000 cleanrooms are used in many industrial sectors, just as optical products are sometimes used to make smaller components. Of course, in the processing of food and beverages, the production of the pharmaceutical industry will also use this level of clean room. The clean room we call is an artificial environment, and the particles contained in it are far lower than the general environment. With the rapid development of integrated circuit technology, the requirements for the cleanliness of the manufacturing environment (clean room) are also increasing. Higher, in industry, even particle sizes smaller than 1 micron can hinder the operation of the product or reduce its useful life. Due to the rise of nanotechnology, the critical dimensions of semiconductors continue to shrink, the accumulation of integrated circuits continues to increase, and dust particles are more likely to cause chip failure or deterioration of reliability. For example, when metal dust particles fall on the metal wire, it will cause a short circuit of the metal wire. In addition, dust particles of acidic ionic compounds fall on metal wires and may corrode, so clean site is an indispensable element of integrated circuit manufacturing. The higher the ranking, the higher the level, with Level 1 being the highest, and the most common being Level 100 to Level 100,000. Requirements for the use of the clean room: maintain the cleanliness of the clean room, and there are certain dress regulations for people entering and leaving; Class 10,000 and 100,000 must wear gowns, clean rooms, hats and masks; Class 1000 and above (inclusive) must wear special Clean room, clean room wraps the whole body, and wears gloves and a mask. Previous: The main purpose and structure of the dust-free purification workshop project Next: What level of dust-free purification workshop is the cleanest?

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