Size Effects of Au/Ni-Coated Polymer Particles on the Electrical Performance of Anisotropic Conductive Adhesive Films under Flexible Mechanical Conditions
Abstract
:1. Introduction
2. Material and Methods
2.1. Materials
2.2. Bonding Process
2.3. Characterization
2.3.1. Scanning Electron Microscopy and Energy Dispersive X-ray Spectroscopy
2.3.2. Electrical Test
2.3.3. Bending Test
2.3.4. Modeling and Simulation
3. Results and Discussions
3.1. Morphological Characterization
3.2. ACF Bonding Results
3.3. Bending Test Results
3.4. Bending Simulation Results
3.5. The Failure Mechanism during Bending Process
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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ACF Type | Temporary Bonding | Final Bonding | ||||
---|---|---|---|---|---|---|
Pressure (MPa) | Temperature (°C) | Time (s) | Pressure (MPa) | Temperature (°C) | Time (s) | |
ACF-1 | 1 | 80 | 2 | 0.67 | 150 | 15 |
ACF-2 | 1 | 80 | 2 | 0.67 | 200 | 10 |
ACF Type | Temporary Bonding | Final Bonding | ||||
---|---|---|---|---|---|---|
Pressure (MPa) | Temperature (°C) | Time (s) | Pressure (MPa) | Temperature (°C) | Time (s) | |
ACF-1 | Same as the standard bonding parameters | 0.20 | 130, 150, 170 | 15 | ||
ACF-1 | 0.33 | 130, 150, 170 | 15 | |||
ACF-1 | 0.67 | 130, 150, 170 | 15 | |||
ACF-2 | Same as the standard bonding parameters | 0.20 | 180, 200, 220 | 10 | ||
ACF-2 | 0.33 | 180, 200, 220 | 10 | |||
ACF-2 | 0.67 | 180, 200, 220 | 10 |
Part | Material | Young’s Modulus (GPa) | Density (kg·m−3) | Poisson’s Ratio | Thickness (μm) |
---|---|---|---|---|---|
* Flex. Sub. | PI (Polyimide) | 2.5 | 1500 | 0.34 | 50 |
Electrode | Cu | 110.0 | 8960 | 0.35 | 1.2 |
Resin matrix | Epoxy resin | 2.0 | 2000 | 0.4 | 40 |
Conductive particles | PP (Polypropylene) | 8.9 | 900 | 0.4203 | 20 (diameter) 10 (diameter) |
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Fang, Y.; Wang, T.; Gu, Y.; Yang, M.; Li, H.; Shi, S.; Zhao, X.; Huo, Y. Size Effects of Au/Ni-Coated Polymer Particles on the Electrical Performance of Anisotropic Conductive Adhesive Films under Flexible Mechanical Conditions. Materials 2024, 17, 1658. https://doi.org/10.3390/ma17071658
Fang Y, Wang T, Gu Y, Yang M, Li H, Shi S, Zhao X, Huo Y. Size Effects of Au/Ni-Coated Polymer Particles on the Electrical Performance of Anisotropic Conductive Adhesive Films under Flexible Mechanical Conditions. Materials. 2024; 17(7):1658. https://doi.org/10.3390/ma17071658
Chicago/Turabian StyleFang, Yexing, Taiyu Wang, Yue Gu, Mingkun Yang, Hong Li, Sujun Shi, Xiuchen Zhao, and Yongjun Huo. 2024. "Size Effects of Au/Ni-Coated Polymer Particles on the Electrical Performance of Anisotropic Conductive Adhesive Films under Flexible Mechanical Conditions" Materials 17, no. 7: 1658. https://doi.org/10.3390/ma17071658