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	Study of RF power attenuation with MEMS coils
	Li, Dan ; Li, Xiuhan ; Chen, Shiqing ; Yuan, Quan ; Zhang, Haixia
	2008
关键词	wireless power delivery inductive coupling MEMS coils HBSS RF power attenuation
英文摘要	Wireless power delivery to implantable biomedical devices by means of inductive coupling has been proved to be feasible. While RF power attenuation in bio-body is not studied very well. In this paper, an experiment was setup to measure the effect of the situation and angle misalignment between the transmitter and receiver coils both in air and HBSS (Hanks' Balanced Salt Solutions). High Q MEMS coils are utilized as the transmitter and receiver separately. The measuring frequency is from 10MHz to 200MHz. It can be observed that the received power peak appears at 80MHz in air, whereas, there exists two peaks at 30MHz and 60MHz in HBSS. In addition, the power attenuation decays exponentially when the transmission distance increases at lower frequencies.; Engineering, Electrical & Electronic; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied; EI; CPCI-S(ISTP); 0
语种	英语
DOI标识	10.1109/NEMS.2008.4484406
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/153420]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Li, Dan,Li, Xiuhan,Chen, Shiqing,et al. Study of RF power attenuation with MEMS coils. 2008-01-01.

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