Copper coin-embedded printed circuit board for heat dissipation: manufacture, thermal simulation and reliability
journal contributionposted on 06.01.2017 by Yuanming Chen, Shouxu Wang, Xuemei He, Wei He, Vadim Silberschmidt, Ze Tan
Any type of content formally published in an academic journal, usually following a peer-review process.
Purpose - The purpose of this paper is to form copper coin-embedded printed circuit board (PCB) for high heat dissipation. Design/methodology/approach - Manufacturing optimization of copper coin-embedded PCB involved in the design and treatment of copper coin, resin flush removal and flatness control. Thermal simulation was used to investigate the effect of copper coin on heat dissipation of PCB products. Lead-free reflow soldering and thrust tests were used to characterize the reliable performance of copper coin-embedded PCB. Findings - The copper coin-embedded PCB had good agreement with resin flush removal and flatness control. Thermal simulation results indicated that copper coin could significantly enhance the heat-dissipation rate by means of a direct contact with the high-power integrated circuit chip. The copper coin-embedded PCB exhibited a reliable structure capable of withstanding high-temperature reflow soldering and high thrust testing. Originality/value - The use of a copper coin-embedded PCB could lead to higher heat dissipation for the stable performance of high-power electronic components. The copper coin-embedded method could have important potential for improving the design for heat dissipation in the PCB industry.
The authors gratefully acknowledge the support of Guangdong Innovative Research Team Program (no. 201301C0105324342), National Natural Science Foundation of China (no. 61474019) and also express their sincere thanks to the support of the China Scholarship Council (no. 201306070032).
- Mechanical, Electrical and Manufacturing Engineering