Clean Room 
Clean Room is a confined space where contamination control measures are in place, regulating not only airborne particulates but also environmental parameters such as temperature, humidity, indoor air pressure, and gas composition. They are categorized into industrial and medical applications and incorporate advanced cleanliness technologies along with various environmental control systems, forming a highly specialized energy-intensive facility.
Industrial Clean Room(ICR)
Industrial Clean Room is used to improve product quality and reliability, as well as to increase production yield, with airborne particles being the primary target of control. In addition to cleanliness, environmental conditions such as temperature, humidity, pressure, airflow, noise, and vibration must also be controlled as needed.
| Classification | Description | ||
|---|---|---|---|
| ICR | Electronic Industry | Semi-Conductor | Product management in crystal growth, diffusion, photo etching, and metal deposition processes. |
| P.C.B | Photography, Developing, Drying, Photomask Fabrication, Picturing, DP, Drying | ||
| Satelite | Increase of reliability | ||
| Thin Film | Film, Lamination/Adhesive Material, Aluminum Box Manufacturing, Flexible Packaging Material | ||
| Precision Industry | Precision Machinery | Aviation, Nautical Instruments, General Measuring Instruments, High-precision Switches using Mercury and Air | |
| Optical Machinery | Camera Assembly, Lens Manufacturing and Assembly, Shutter Assembly, Microfilm | ||
| Watches | Assembly, Electronic Watch Manufacturing / Electro-Luminescence Production | ||
Bio Clean Room(BCR)
The concept of the Bio Clean Room originated with the U.S. National Aeronautics and Space Administration (NASA) as a technology developed to prevent the transfer of microorganisms from Earth into space, and to avoid bringing extraterrestrial microorganisms back to Earth that could cause infections from previously unencountered microbes. This technology has since been applied in hospitals, pharmaceutical manufacturing, and other related fields.
| Classification | Reasons for CR Need | Description | |
|---|---|---|---|
| BCR | Pharmaceutical | Quality improvement Accurate evaluation of drug efficacy Regulation of microorganisms |
Measures for preventing cross-contamination are particularly important |
| Legal regulations | Animals must not be killed during experiments | ||
| Prevention of quality and taste changes Production of products with long shelf life at room temperature |
May be subject to GMP standards Products with LONG-LIFE required |
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| Areas handling hazardous substances are required | Areas handling hazardous substances are required | ||
| Hospital | Reducing infection risk for workers Maintaining and extending life |
Applied in cases with high infection risk and weak resistance Difficult to objectively evaluate effectiveness |
|
| Protecting people lacking resistance to infections | Installed mainly in general spitals |
Five Principles of Cleanroom Management
| Category | Main Principle | Implementation Examples |
|---|---|---|
| Preventing | Prevent the inflow of dust into the clean room | Install filters in supply lines Prevent air leaks in ducts Use double doors |
| Prohibiting | Do not generate dust | Exhaust contaminated air Increase frequency of ventilation Regular scheduled cleaning |
| Purging | Immediately remove generated dust | Use low-dust materials Select equipment materials according to required class Wear dust-proof clothing |
| Protecting | Protect products from dust | Designated work areas using clean benches Clean storage locations |
| Providing | Prepare dust removal equipment | Air Shower, Pass Box |
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