Semiconductor companies what materials need explosion-proof cold storage?

Semiconductor industry is a technology-intensive industry, the requirements of the production environment is more stringent. With the continuous development of process technology, the types and complexity of semiconductor materials is increasing, some of these materials and intermediates have flammable, explosive properties, need to be stored in a specific environment to prevent the occurrence of potential hazards. In this paper, we will explore what materials need to be stored in explosion-proof cold storage in the semiconductor business.

the classification of flammable and explosive materials

In the semiconductor production process, the following types of materials are often stored in explosion-proof cold storage:

1. High-purity chemical reagents

Including a variety of gases (such as hydrogen, nitrogen, etc.), liquid chemicals (such as fluoride, alcohols, ethers, etc.), these substances are easy to volatilise or chemical reactions in the conventional environment, need to be stored at low temperatures and stable conditions.

2. Photoresist and other coating materials

Photoresist is an indispensable material in the process, some photoresist components are flammable, especially at high temperatures, more likely to volatilise, and therefore need to be stored in explosion-proof cold storage to reduce the risk of fire.

3. Cleaning agents and solvents

Many cleaning agents and solvents used in semiconductor manufacturing, such as acetone, isopropyl alcohol, etc., are flammable and need to be stored in a low-temperature, low-pressure environment to prevent fire or explosion.

4. Capacitors and battery materials

Materials involving lithium batteries and high-energy substances need to be prevented from overheating and interference with external substances during storage to avoid explosions caused by reactions.

the need for explosion-proof cold storage

1.Safety

Explosion-proof cold storage using a special design, can effectively resist the leakage of flammable materials due to possible accidents. Constant temperature and airtight design within the cold storage can reduce the risk of spontaneous combustion and leakage of materials to protect the safety of employees and equipment.

2.Temperature control

Explosion-proof cold storage can provide a stable low-temperature environment to extend the shelf life of flammable materials and ensure that their performance is not affected by temperature fluctuations. The low temperature can slow down the volatilisation rate of the material, effectively preventing the occurrence of fire.

3. Segregation measures

Through the special isolation storage of flammable materials to prevent contact with other incompatible or easily reactive substances, reduce the risk of chemical reactions.

explosion-proof cold storage design requirements

1. Material selection

Explosion-proof cold storage structure materials should have corrosion resistance, high and low temperature characteristics. Library equipment such as condensers, evaporators and piping should be fireproof, explosion-proof materials.

2.Ventilation system

Explosion-proof cold storage should have a good ventilation system to ensure that harmful gases and vapours can be discharged in a timely manner to avoid accumulation in a closed environment, thereby reducing the risk of explosion.

3.Temperature control system

Installation of efficient and stable refrigeration system to ensure that the temperature inside the warehouse is stable in the preset range, the common temperature range of -20 ° C to -80 ° C, depending on the characteristics of the stored materials.

4.Monitoring and Alarm System

Must be equipped with temperature and humidity monitoring equipment and fire alarm system, real-time monitoring of the cold storage environment, to ensure that in the event of abnormalities can be a timely response.

In semiconductor companies, explosion-proof cold storage is an important facility for storing flammable and explosive materials. These materials, such as high-purity chemical reagents, photoresists and cleaning agents, etc., and their safe storage is related to the production safety of enterprises and the safety of employees. Through the reasonable design and use of explosion-proof cold storage, can effectively guarantee the safety and stability of the production process. Therefore, semiconductor companies should pay full attention to the construction of explosion-proof cold storage, and in strict accordance with the relevant norms for material storage.

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