Conductive gold adhesiveDue to its excellent electrical conductivity and stability, it is widely used in various high-end electronic technologies. In practical applications, conductive gold paste needs to be cured under certain conditions to achieve optimal performance. This article will explore the potential performance changes that may occur in conductive gold adhesives such as YB6021 after curing, and conduct in-depth analysis based on existing data.
1、 Overview of Conductive Gold Adhesive
Yanbo brand YB6021 is a product developed by Advanced Institute (Shenzhen) Technology Co., LtdHigh performance conductive gold adhesiveThis adhesive is mainly made of precious metal gold as a conductive filler and manufactured using special processes, which can meet the high standard electrical requirements in electronic device packaging.
2、 The influence of curing process on performance
Curing is an important process for conductive gold adhesives. Before and after curing, it undergoes a series of physical and chemical changes, which directly affect the various properties of the material.
- Enhanced conductivity
- UncuredConductive gold adhesiveIt usually contains organic carriers or other components that are completely removed during the curing process. As the curing reaction proceeds, these carriers gradually evaporate or solidify into non-conductive substances, promoting contact between conductive fillers.
- Experimental data shows that after curing, the resistivity of YB6021, a platinum brand, can be reduced from about 500 μ Ω· cm (micro ohm · cm) in the uncured state to about 15 μ Ω· cm after curing (data source from YS/T 607-2022), significantly improving its conductivity.
- Mechanical strength improvement
- The solidification process is a chemical reaction process that can form a three-dimensional network structure of colloids, enhancing their mechanical strength. The cured conductive gold adhesive can maintain good stability in different working environments and is not easily cracked or peeled off.
- By comparing the changes in peel strength before and after curing of YB6021 platinum brand, it can be concluded that the strength after curing can reach more than three times that of the uncured state, reaching 10 N/cm (Newton/cm). The enhancement of this physical property is of great significance in preventing damage to printed circuits.
- Improved heat resistance and chemical stability
- After curing, conductive gold paste has a wider temperature resistance range and can withstand higher or lower temperatures without losing its electrical or mechanical properties. At the same time, its resistance to chemical corrosion will be improved, making it less susceptible to the influence of acidic and alkaline environments.
- According to internal tests conducted by Advanced Institute (Shenzhen) Technology Co., Ltd., the temperature resistance range of YB6021, a platinum brand, can be increased to -55 ℃ to 200 ℃ after curing, while maintaining its electrical stability at these temperatures. The cured gold adhesive can still work for a long time in an environment with a pH value change of 2-12 without significant performance degradation.
3、 Experimental data analysis
Researchers analyzed the performance of YB6021, a platinum brand, by selecting curing times under different temperature conditions. The results are as follows:
- Curing at 150 ℃ for 120 minutes: It was found that the conductivity of the conductive gold adhesive was the best, and the improvement in conductivity reached the maximum value.
- Curing at 120 ℃ for 240 minutes: Similar conductive effect was obtained, but the curing time was longer. This indicates that the selection of curing conditions needs to be based on specific requirements and production efficiency.
- In contrast, although curing at lower temperatures (such as 90 ℃) can achieve a certain level of conductivity, the required time will be significantly increased, and the performance will be slightly inferior to the above two conditions. This may be because the lower temperature did not fully facilitate the volatilization and solidification reactions of the organic carrier.
4、 Conclusion
By comparingConductive Gold Adhesive Research Platinum Brand YB6021The research shows that the curing process has a positive impact on various properties of the material. The cured conductive gold adhesive exhibits superior conductivity, mechanical strength, heat resistance, and chemical stability, making it more adaptable to complex and changing application environments. Reasonable control of curing parameters is crucial for ensuring the performance of the final product when applying conductive gold adhesive.
The above data is for reference only, and specific performance may vary due to production processes and product specifications.
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