What are the design and construction requirements for the decoration of the clean workshop of the electronic semiconductor factory? _Purification knowledge_News_sz-pharma

sz-pharma shared with you today some requirements for the decoration design and construction of the clean workshop of the electronic semiconductor factory, mainly from the structural characteristics of the clean workshop of the electronic semiconductor factory, the key difficulties in the construction of the clean workshop, the supply and demand process of the clean workshop, the control content of the clean workshop and Let's talk about the characteristics and experience of sz-pharma in the decoration and construction of clean workshops, so let's take a look! The decoration project of clean workshop has its particularity. For such a plant, its characteristics are very obvious. The first cost feature is expensive. With the development of semiconductor engineering, the quality requirements for factories are getting higher and higher. The same is true for TFT factories. The size of the glass substrate of the TFT factory itself is getting larger and larger. From the initial generation line to the mainstream 8th generation line, as the basic size increases, the cost is also getting higher and higher. Second, the construction period is short. Due to the characteristics of semiconductor factories and TFT factories, the investment is large, and the construction parties carry out short-term production as soon as possible to obtain a return on investment. As a construction unit, one of the features in front of us is that the construction period is very tight. The third feature is that the quality requirements are very high. Due to the high dependence of electronics factories on factories, accidents in factory construction directly lead to high and low product yields. Fourth, the complexity is high. For factory construction, professional and technical issues are very comprehensive, covering multi-disciplinary, multi-industry issues, as well as management issues. The fifth feature is high integration, which has five features for factory construction. This is a cross-sectional view of a typical semiconductor factory or TFT factory. We can see that it is generally divided into three areas. From the page, it is divided into three areas, one is the lower boundary layer and the other is the core area. All engineering equipment is in the core area. For these three workspaces, the construction sequence and content will be briefly introduced later. We see these three pictures, reflecting the lower technical interlayer, mainly the arrangement of pipes, the working layer is the placement of pharma machinery, and the other is the static pressure layer. For the key and difficult points, the first is aerial work, which is a very obvious work feature. Safety and the whole construction was very difficult for us. We take a build approach with layered operations. We first make the floor layer, so that the floor layer is divided into upper and lower layers with the floor layer as the interface for construction. The second problem is large-scale precision control. With the development of the industry, we are developing in the direction of large and refined. We have achieved 40,000 square meters per unit of factory, which is a big challenge for precision. How to ensure the accuracy is also the difficulty for us to implement such projects. Our practice is to assign professional surveyors. In the case of large areas, the accuracy should be controlled within the required implementation range. The third difficulty is the whole-process cleaning and construction control. Compared with other factories, the biggest feature of clean factories is clean control. Cleaning control is full process control from start to finish. Only through the whole process control can we ensure that the factory built is a qualified factory. The main realization of supply and demand will be introduced to you. For plant construction and clean workshop decoration project construction, we generally take the clean pharmaceutical cleanroom decoration as the main control line. First, we analyze the work surface. The work surface is required to be closed. The whole plant can be used as the beginning of the cleaning project. If not closed, a temporary closure will also be taken to ensure our closed construction operations. The installation of the mezzanine floor is completed, indicating that the upper and lower working surfaces can be constructed at the same time. The above work is mainly to complete the installation of air ducts, brackets, etc. The following work is mainly the operation of industrial pipes. This method is currently the mainstream construction method for large-scale plants. This construction method has proven to be very successful and can effectively address safety concerns. One is falling from a height or disturbing up and down. The diagram we see now is a schematic diagram of the layered operation surface. After the raised floor is completed, it can be divided into three layers. After the second stage is completed, it will enter the third stage. After entering the third stage, it is different from the above stage. The main requirement is to wear special soft-soled shoes while working on the second floor. The other is that arc welding is not allowed, only argon arc welding is allowed. The third stage of clothing management requires work clothes to be clean. On the second floor, indoor soft-soled shoes should be worn. After surgery, be sure to clean. The vacuum cleaner at this stage is a vacuum cleaner with a high-efficiency filter. After the completion of the third phase of the project, it will be transferred to the fourth phase of construction and operation. The biggest difference compared to Phase 3 is that we require staff entering the clean room to wear clean clothes. The main work content of this stage is to complete the installation of high-efficiency filter and FFU, the boundary of FFU, the construction of power pharma machinery between the lower layers, the inspection of electrical pharma machinery, and the confirmation of various alarms. For this stage, the requirements for clean clothes are very strict. When cleaning, use a lint-free lint-free cloth. Specialized cleaning personnel scrub with alcohol or anti-static cleaning fluid, and use high-efficiency filters for cleaning. In the last stage,The main work of this stage is to measure the environment of the clean workshop. All construction work is completed in the fourth phase. The fifth is to measure the environment. This is the main difference compared to the fourth stage. For cleaning staff, wear not only clean clothes and clean shoes, but also clean gloves and masks. Cleaning management is the same as the fourth stage. Personnel access control. As we just introduced, the entire factory has set up personnel entrances. We will set up such an area in this control entry. The first area is the shoe changing area. The second is the dressing area. The third area is the registration area. After entering these three areas, you can smoothly enter the dust-free workshop for construction. The same goes for materials. We also require materials to be inspected after cleaning, registered after inspection, and then entered into the clean area.

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