Characteristics of clean room of 100,000 class clean room:
(1) durability; (2) cleaning; (3) cost; (4) adaptability; (5) maintainability.
The durability of the clean room of the Class 100,000 clean room must have durable materials that comply with the environment, cleaning solutions and vibration, equipment, and air filtration systems in the clean room. Durability also depends on clean room grades. Semiconductor Fabs tend to choose aluminum based on its durability, however, it is not a cheap substance.
Cleaning of clean rooms in Class 100,000 clean rooms In the pharmaceutical and biotechnology industries, the walls of clean rooms need to be easily cleaned and wiped until they are protected from contamination by filtering viruses or bacteria. In the biotech market, cleaning is really one of the most important businesses.
The cost of a clean room of a class 100,000 clean room. The cost of microelectronic C / R construction may cost up to 100 million. Fabs can be built faster, and products can reach this market faster. The slogan of many semiconductor companies is cheaper and better. However "money" will be an important consideration.
Adaptability of 100,000 Class Clean Room Some manufacturers believe that adaptability can save a sum of money, and adaptability means that the system can be arbitrarily moved or changed without incurring great losses. The ability of C / R owners and designers is the key to changing a C / R, so they never shape the initial design.
The cleanliness of the 100,000-class clean room. For clean room C / R, the more stringent requirements are the floor, ceiling, and wall. As for the issue of maintenance, whether the choice of materials is easy to clean and maintainability should have priority. The most important of the three applied force surfaces, ceilings, floors and walls is the ceiling, which contains filters such as HEPA and ULPA, which can filter out particles in the room, and they are often separated for different needs For small rooms in different areas, it has been said that if the construction budget is limited for some reason, with the exception of a small amount of money, the ceiling will tend to be more expensive. In fact, the ceiling is a rather complex system and it must be The particles are strictly filtered, so their design must be precise.
Many people who know clean rooms agree that owners who own clean rooms for the first time should use a better C / R building or engineering design company or a building contractor who understands building C / R design. , It will waste a lot of unnecessary money, so it is also very important to choose a company that builds C / R.
It is also important for C / R to choose the material of the floor. Inexpensive C / R floor is covered with a layer of vinyl on the thin board. If the floor is too hard, it will cause dust, and the floor that is too soft will cause the floor to bend or crack, but not all C / R floors will. Covered, vinyl. Some floors are punched and latticed, while full laminar flow is punched.
Vinyl has a role to deoxidize, but if high concentration vinyl is mixed with other materials, it will reduce the deoxidation effect, while the clean room wall will be very expensive if aluminum is used as the material, but aluminum can protect the wall It is not oxidized by air, but it is easily eroded by acid gases. The method to avoid is to use electroplating to thicken the aluminum surface and prevent it from being oxidized. Applying a layer of bright paint on the aluminum surface can prevent metal oxidation.
For the semiconductor industry, a clean room is a necessary and indispensable device. Its requirements for airborne particles are very strict, so the requirements for ceilings, walls, and floors are also very strict. The floor is the transportation of people, trolleys and weights, and most of the people who remove the floor are disinfection drugs and chemicals. When we see the floor wear, that is, the period of use is too long, it is about to rupture, which not only makes the quietness Degradation also results in an increase in particles in the air due to floor wear.
In addition, C / R is most afraid of particle leakage. There are many types of filters in the ceiling. For example, laminar flow C / R, and the component of the flower panel includes the HEPA / ULPA filter group. The lighting group may also include blank panels. The advantage of this type of ceiling is that there are no strict restrictions on the placement method.
The C / R wall is also made of thin steel, but the surface must be coated with a protective layer, otherwise it will corrode. It is not easy to be electroplated, and the protective layer coated on the surface will become brittle. It is easy to peel off, but if you choose high-quality stainless steel, you do not need to apply the protective layer 7, and the C / R made of glass will greatly increase the light in the room and be beautiful, but it must be coated with a UV-resistant obstacle , And can be visually connected, less claustrophobic.
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Article source: http://jimesale.com Tan Yuming 13751461639