Looking to the future #32; Which major industries will increase the demand for clean rooms

In recent years, with the development of modern science and technology and the continuous deepening of the new round of industrial revolution, my country has begun to implement the strategy of re-industrialization. Digital and intelligent technologies have profoundly changed the production mode and industrial form of the manufacturing industry. Major breakthroughs in energy and other technologies will trigger a new round of technological and industrial changes. In recent years, in the process of processing and production of high-tech products, how to meet the requirements of precision processing, miniaturization of products, high purity and high reliability, etc., put forward higher requirements for the cleanliness level in the production environment . On the other hand, with the development of modern biomedicine, the requirements for the control of the number of bacteria and microbial contamination in the dust-free pharmaceutical cleanroom of Suzhou Fama have been continuously improved to ensure that industries such as medical medicine, biological research, and food production are free from microbial contamination or microbial contamination. Infect. The current clean technology has been widely used in all walks of life or other environmental control requirements to prevent particle pollution and microbial pollution, but because of the large gap between industries, and the requirements are also different, so control the content and indicators of the standard environment of the clean room are not the same. The following is a summary of common industry requirements, as follows: 1. Requirements for dust-free workshops for semiconductor, chip, and integrated circuit production The state strongly supports the development of semiconductors, and the purification of semiconductor materials is an important basis for the development of semiconductor devices. Due to the process requirements of large-scale and ultra-large-scale integrated circuits, in order to obtain high-purity silicon materials, the high purity of raw materials and intermediates and the cleanliness of the production environment have become a prominent problem affecting product quality. Since the development of the chip in the 1950s, it has roughly gone through three development stages: the origin of the invention in the United States - the accelerated development in Japan - the mature differentiation in South Korea and Taiwan, China. The reasons for the first two semiconductor industry transfers were: Japan was recognized by the United States in the PCDRAM market; South Korea became a new major producer of PCDRAM and Taiwan, China, became a foundry leader in the fields of wafer foundry and chip packaging and testing. Today, China has become the largest semiconductor market in the world. With strong demand and strong policies, the chip industry has ushered in the third industrial transfer, and the trend of transferring to the mainland has become unstoppable. The yield of integrated system circuit chips is related to the defect density of the chip, and the defect density of the chip is related to the number of particles in the air. Therefore, the rapid economic development of integrated circuits not only has extremely high requirements on the size of particles in the air, but also needs to further control the number of particles; at the same time, the ability to control the risk of chemical pollution in the production environment of an VLSI enterprise also has a some related requirements. 2. Requirements for the dust-free pharmaceutical cleanroom of Suzhou Fama for the production of precision machinery and fine chemical products With the development of science and technology, the production and processing of many industrial products put forward very high requirements for the dust concentration in the production environment, which requires its production environment. It has a certain level of cleanliness and the supply quality of various related substances required for the control production process. For example, in film production, if the film is polluted by dust, emulsion oxidation will occur, activity will be weakened, pH value will change, etc., thus affecting the photosensitive performance of the film. 3. Requirements for dust-free workshops for the production of pharmaceutical products Drugs are special commodities used for prevention, treatment of diseases, recovery and adjustment of body functions, and their quality is directly related to human health and safety. If it is contaminated or cross-contaminated by microorganisms, dust particles, etc. during the manufacturing process, unexpected hazards will occur. 4. Requirements for dust-free workshops in medical applications and medical research Industrial clean technology and industrial dust-free workshops are mostly used in industrial environmental control represented by integrated circuits; while in medicine, biological dust-free workshops are often used for microbial contamination control. In the biological clean room, these microorganisms are mostly composed of bacteria and fungi, with a particle size of more than 0.2um, and the particle size of common bacteria is more than 0.5um, and most of them are attached to other material particles. The biological pollution channel is not only through the air, but also related to the human body and the clothing of the operator. In the field of medical research, biological laboratories, sterile laboratories and 'special breeding animals' breeding rooms for biochemical and medical experiments are also in great need of controlling microbial contamination. 5. Requirements for dust-free workshops for cosmetics and food production Most modern cosmetics contain amino acids, vitamins, proteins, plant extracts, etc. These components provide favorable conditions for the growth and reproduction of microorganisms such as bacteria and molds. Therefore, microbial contamination is an important factor affecting the quality of cosmetics. The control objects of the Suzhou Fama clean room used in the cosmetic production process are mainly dust particles and microorganisms, which are similar to the requirements of the clean room used in the production of pharmaceuticals. At present, the air cleanliness level of the clean room for cosmetic production can be carried out with reference to the GMP specification for pharmaceuticals. In the production process of food, the strict management of facilities is an important means to ensure the safety and hygiene of food and prevent the occurrence of food poisoning caused by pathogenic coliform bacteria and salmonella or the mixing of mold in beverages. Since the 1990s, WHO and some developed countries have introduced the HACCP (Hazard Analysis and Control Point) system, and have formulated a food production recognition system that utilizes hygienic management of the production process.

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