Main material characteristics of beryllium copper finger spring shielding pad and its influence on shielding effect

Beryllium copper finger spring shielding padIt is a high-performance shielding material widely used in electronic devices, communication equipment, automotive electronics, and other fields. Its main material characteristics include high conductivity, excellent elasticity and deformation ability, good corrosion resistance, and electrochemical compatibility, which together determine its outstanding performance in shielding effect. This article will explore in detail the main material characteristics of beryllium copper finger spring shielding pads and their impact on shielding effectiveness, and explain them through reference data and comparison.

1、 Main material characteristics

1. high conductivity

   Beryllium copper is an excellent conductive material with better conductivity than ordinary copper alloys. High conductivity is the basis for beryllium copper finger spring shielding pads to effectively attenuate electromagnetic energy. Conductivity not only includes DC impedance, but also needs to consider RF impedance. In high-frequency applications, high conductivity can ensure minimal attenuation of electromagnetic signals during transmission, thereby improving shielding effectiveness.

2. Excellent elasticity and deformation ability

   The finger spring structure makes the beryllium copper finger spring shielding pad have good elasticity and deformation ability. This characteristic enables the shielding pad to adapt to devices of different shapes and sizes, ensuring stable shielding effects under various installation conditions. Meanwhile, good resilience can ensure that the shielding pad maintains its original shape and performance after multiple uses.

3. Good corrosion resistance

   Beryllium copper has excellent corrosion resistance and can be used for a long time under harsh environmental conditions without performance degradation. This characteristic enables the beryllium copper finger spring shielding pad to maintain stable shielding effect in harsh environments such as humidity, high temperature, and corrosion.

4. Electrochemical compatibility

   Beryllium copper finger spring shielding padIt has excellent electrochemical compatibility, is not easily affected by radiation, and will not burn. This feature enables it to perform well in electromagnetic compatibility environments and adapt to various working environments.

2、 The impact on shielding effectiveness

1. shielding effectiveness

   Beryllium copper finger spring shielding padThe shielding effectiveness is an important indicator for measuring its performance. According to test data, the shielding effectiveness of the Yimeisuo functional beryllium copper finger spring series is greater than 46dB under the condition of 14kHz plane electromagnetic waves; Under the condition of 10GHz plane electromagnetic waves, the shielding effectiveness is greater than 108dB. This data indicates that beryllium copper finger spring shielding pads exhibit excellent shielding effects in both low and high frequency bands.

2. Deformation and rebound force

   The deformation and rebound force of beryllium copper finger spring shielding pads have a significant impact on their shielding effectiveness. If the deformation is too small, it will lead to unstable shielding effectiveness; If the deformation is too large, it will cause damage to the shielding pad. Therefore, when selecting and using shielding pads, it is necessary to choose the appropriate amount of deformation pad material based on the size of the gap, and control the degree of deformation of the pad during installation. At the same time, good resilience can ensure that the shielding pad maintains its original shape and performance after multiple uses, thereby maintaining a stable shielding effect.

3. Environmental adaptability

   Beryllium copper finger spring shielding pad has good environmental adaptability and can maintain stable shielding effect in various harsh environments. This characteristic makes it widely used in fields such as automotive electronics, communication equipment, and electronic products. For example, in the field of automotive electronics,Shielding padIt needs to withstand harsh conditions such as high temperature and vibration, and beryllium copper finger spring shielding pads can meet these requirements with their excellent performance.

3、 Reference data and comparison

1. Performance indicators of Yimes beryllium copper spring

   Yimei beryllium copper spring has reached the shielding effectiveness standard of national standard C level, and is developing D-level products to serve military standard D-level customers. According to the performance indicators of national and military standards, the Yimei beryllium copper spring plate exhibits excellent shielding effect in both low and high frequency bands. For example, in the national standard C-level test, the shielding effectiveness of the magnetic field reaches over 70dB at 10KHz, and the shielding effectiveness of the electric field reaches over 100dB at 200KHz-50MHz.

2. Advanced Institute (Shenzhen) Technology Co., Ltd. Products

   Advanced Institute (Shenzhen) Technology Co., LtdThe beryllium copper finger spring shielding pad provided has excellent conductivity, shielding, elasticity, and deformation ability. The company's products are widely used in communication equipment, electronic products, automotive electronics and other fields, with reasonable prices and support for customized services. By comparing with brands such as Yimei, it can be found that the beryllium copper finger spring shielding pad of Advanced Institute (Shenzhen) Technology Co., Ltd. is not inferior in performance and has a high cost-effectiveness.

3. Research Platinum Beryllium Copper Finger Spring Shielding Pad

   The research platinum brand beryllium copper finger spring shielding pad also has excellent performance. Its conductivity, shielding, elasticity, and deformation ability have all reached industry-leading levels. In addition, the research platinum brand products also have good corrosion resistance and electrochemical compatibility, and can maintain stable shielding effects in various harsh environments. By comparing with brands such as Yimei, it can be found that the research platinum brand beryllium copper finger spring shielding pad also performs well in performance, and has high reliability and stability.

4、 Conclusion

In summary, beryllium copper finger spring shielding pads are widely used in electronic devices, communication equipment, automotive electronics, and other fields due to their high conductivity, excellent elasticity and deformation ability, good corrosion resistance, and electrochemical compatibility. These characteristics collectively determine its outstanding performance in shielding effectiveness. Through reference data and comparison, it can be found that beryllium copper finger spring shielding pads from brands such as Yimes and Advanced Institute (Shenzhen) Technology Co., Ltd.'s Research Platinum brand have excellent performance, high cost-effectiveness, and reliability. Therefore, when selecting and using beryllium copper finger spring shielding pads, the appropriate brand and model can be chosen according to specific application requirements and budget situations.

The above data is for reference only, and specific performance may vary due to production processes and product specifications.