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Aluminum honeycomb core: The "ideal core material" for the walls and ceilings of semiconductor clean rooms

1. Ultimate Cleanliness: Responding to the 100-level standar...

Aluminum honeycomb core: The

1. Ultimate Cleanliness: Responding to the 100-level standard through material innovation

The standard for a Class 100 clean room means that there should be no more than 100 particles of 0.5 micrometers or larger per cubic foot of air - this is over 1,000 times stricter than that of a regular hospital operating room. In such an environment, the building envelope itself must not be a source of pollution.

The core value of the aluminum honeycomb clean panel is primarily reflected in its pollution control capability. Its surface is coated with purified-grade color-coated steel plate, combined with the aluminum honeycomb core material and a proprietary aluminum profile accessory system.

The aluminum honeycomb core material has an excellent ability to inhibit VOC (volatile organic compounds) gases.

II. Lightweight and High Strength: Ensuring System Stability through Structural Advantages

The walls and ceiling systems of the cleanroom must have long-term stable structural performance. Any deformation or collapse could damage the precise airflow organization, thereby affecting the cleanliness of the entire production line.

The hexagonal honeycomb structure of the aluminum honeycomb core achieves extreme lightweight while simultaneously achieving astonishing compressive and flexural strength.

III. Fire Safety: Building a Lifeline for High-Value Assets

Aluminum materials are inherently non-flammable. The fire resistance rating of aluminum honeycomb core can reach the A-level standard of GB 8624-2012 (non-flammable material), and even under extreme fire conditions, the aluminum honeycomb core will not release toxic smoke, thus providing valuable time for personnel evacuation and fire rescue. Semiconductor factories are typical scenarios of high-density and high-value assets.

IIII. Electromagnetic Shielding: Comprehensive Protection from Walls to Ventilation Holes

During the chip manufacturing process, precision equipment is extremely sensitive to external electromagnetic interference. The aluminum honeycomb core clean board is made of metal material and naturally forms a continuous conductive body in the wall and ceiling systems, possessing certain basic electromagnetic shielding effectiveness.

But what is even more crucial is the unique application of aluminum honeycomb cores in the field of ventilation shielding - waveguide windows. Cleanrooms must maintain a large amount of ventilation and air exchange, and the ventilation openings are precisely the weak links for electromagnetic wave leakage. Aluminum honeycomb cores, with their hexagonal micro-hole structure, inherently possess the effect of blocking waveguides. By precisely designing the size and depth of the honeycomb cell grooves, it is possible to ensure smooth air circulation while effectively blocking specific frequency bands of electromagnetic waves. The aluminum honeycomb core waveguide windows with full welding technology can ensure a 100% line connection between the honeycomb core and the flange, guaranteeing complete electrical conductivity continuity, and thus achieving better electromagnetic shielding performance. The micro-hole aluminum honeycomb core can control the cell edge length within the 1.0mm range, which is particularly suitable for electronic shielding scenarios with extreme requirements for high and low-frequency magnetic field shielding.

For any chip manufacturing enterprise that aims for long-term stable operation, choosing aluminum honeycomb core means choosing a scientific structure and proven materials to lay the most reliable foundation for the core production environment.

 

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