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Wireless Power Transfer System for External Memory Hard by using Small Magnetic Coils
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- Authors
- In-Kui Cho, Seong-Min Kim, Jeong-Ik Moon, Jae-Hun Yoon, Hyung-Do Choi
- Issue Date
- 2016-10
- Citation
- International Symposium on Antennas and Propagation (ISAP) 2016, pp.520-521
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- A miniature magnetic resonance coil for an external memory disk is presented. The proposed resonance coils are derived from a spiral structure and two capacitors through the analysis of input impedance. The measured resonance frequency and efficiency are 1.78 MHz and 82.3% at normalized distance 6 cm and the diameter size of the Rx spiral coil is 7cm.
- KSP Keywords
- Magnetic coils, Magnetic resonance(MR), Resonance frequency, Spiral structure, Wireless power transfer systems(WPTS), external memory, input impedance, normalized distance, spiral coil