Analysis of Purification Engineering Design Schemes in the Optical and Microelectronics Industry: Characteristics of Dust Free Workshops
The simple process of LCD screen making is as follows: cleaning → printing orientation film → friction → sealing the printing layer and spreading spacer materials → combination → marking and cutting → LC injection → pasting polarizer → final screen making inspection.
Decoration requirements for entering Tianjin clean operating rooms
The walls of the operating room and clean corridors are made of metal materials (electrolytic metal plates or color steel plates) that are rust resistant, scrub resistant, acid and alkali resistant, fire resistant, and sound insulation to prevent bacteria.
Explanation of the characteristics of unidirectional flow clean rooms encountering suspended pollution
The suspended pollution generated by personnel and processes can be immediately removed by this air, while the turbulent ventilation system adopts the principle of mixing and dilution. In an empty room without any obstacles, unidirectional flow can quickly remove pollutants with much lower wind speeds than previously mentioned. But in an operating room, the machine and the people walking around it can create obstacles to the airflow.
Simple understanding of one-way flow cleanroom classification
There are generally two types of one-way flow cleanrooms, namely horizontal flow and vertical flow. In a horizontal flow system, airflow flows from one wall to another.
Have you heard about turbulence clean room
The main feature of turbulent flow clean room is that the flow cross section of the air flow from the beginning to the outlet (from the air supply outlet to the air return outlet) is variable. The clean room cross section is much larger than the air supply outlet cross section, so it can not form uniform air flow in the whole room cross section or in the whole room working area cross section.
What accidents may be caused by static electricity in the clean room?
Electromagnetic waves generated by electrostatic discharge can cause noise and misoperation of electronic instruments and devices; The luminescence of electrostatic discharge can cause photosensitive damage such as photographic limb film, and such accidents.
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