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Anti-static packaging bag, how is anti-static?

With the rapid development of science and technology, microelectronics technology has been widely used, and the electromagnetic environment and electrostatic discharge process cause harm to microelectronic components, especially static electricity. Therefore, it must be protected during storage, transportation and use, and anti-static packaging bags have emerged as the times require, becoming a solid protective cover for precision electronic components. Composite packaging bags, aluminum foil bags, plastic packaging bags 1. Introduction Anti-static packaging bags are made of multiple layers of special plastic films and metal films, which are anti-static, anti-electromagnetic, anti-interference, moisture-proof, waterproof, dust-proof and shock-proof It has the characteristics of high strength, good toughness, strong rigidity, heat resistance and cold resistance, as well as good environmental stress crack resistance, tear resistance and other properties. It is suitable for electronic product packaging that requires temperature, humidity and electromagnetic fields. 2. Material combination and function 1. Inner layer: The inner layer material is a static dissipative material, which refers to a type of material between the conductor and the insulating material, which is conducive to the electrostatic discharge process without damaging the electrostatic sensitive electronic components that need to be protected. . The principle is that the use of insulating materials will hardly discharge, and the discharge process will be completed within tens of nanoseconds between the conductors, while the electrostatic dissipative material can prolong the electrostatic discharge rate and release static electricity relatively slowly, thereby avoiding the instantaneous release of a strong current, Breakdown of electronic products. 2. Intermediate layer: The intermediate layer, also known as the “shielding layer”, is an aluminum foil material. Aluminum foil has good barrier properties and can effectively shield the damage of electrostatic fields to electronic products. 3. Outer layer: The outer layer is a protective layer, which mainly increases the strength and wear resistance of the packaging bag, and avoids the loss of protective effect due to the broken bag during storage and transportation, resulting in major economic losses. 3. Other applications Anti-static packaging bags are not only suitable for various types of PC boards, IC integrated circuits, optical drives, hard disks, electronic components, etc. It is also suitable for other precision machinery parts, consumer goods, industrial products and other anti-oxidation and anti-corrosion packaging.

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