Abstract
Emerging portable smart devices with more functionality demands high-performance, smaller, lighter, thinner, and cheaper electronic components. This is enabled by the transformation of today’s surface-mounted discrete passives such as resistors, capacitors, and inductors as thin films embedded in the package substrate or buildup layers. Such a trend would lead to miniaturized and more efficient power systems.
This chapter reviews the fundamentals of materials, designs, and processes for each of these thin-film passive component technologies, particularly focusing on power applications. It then describes the challenges and recent advances in each of these areas.
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Acknowledgements
The authors wish to thank National Science Foundation, Intel Corporation, and Stanford Graduate Fellowship (L. Li) for the financial support which made this work possible. Helpful collaborations with and previous work by A. M. Crawford, D. Gardner, G. Vandentop, H. Braunisch, R. Nair, K-P Hwang, Y. Min, M. Mao, T. Schneider, and R. Bubber, and a software license from Ansoft are also gratefully acknowledged.
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Raj, P.M. et al. (2017). Embedded Passives. In: Lu, D., Wong, C. (eds) Materials for Advanced Packaging. Springer, Cham. https://doi.org/10.1007/978-3-319-45098-8_13
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