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Applications of Ferro-Nanofluid on a Micro-Transformer
AbstractAn on-chip transformer with a ferrofluid magnetic core has been developed and tested. The transformer consists of solenoid-type coil and a magnetic core of ferrofluid, with the former fabricated by MEMS technology and the latter by a chemical co-precipitation method. The performance of the MEMS transformer with a ferrofluid magnetic core was measured and simulated with frequencies ranging from 100 kHz to 100 MHz. Experimental results reveal that the presence of the ferrofluid increases the inductance of coils and the coupling coefficient of transformer; however, it also increases the resistance owing to the lag between the external magnetic field and the magnetization of the material.
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Tsai, T.-H.; Kuo, L.-S.; Chen, P.-H.; Lee, D.-S.; Yang, C.-T. Applications of Ferro-Nanofluid on a Micro-Transformer. Sensors 2010, 10, 8161-8172.View more citation formats
Tsai T-H, Kuo L-S, Chen P-H, Lee D-S, Yang C-T. Applications of Ferro-Nanofluid on a Micro-Transformer. Sensors. 2010; 10(9):8161-8172.Chicago/Turabian Style
Tsai, Tsung-Han; Kuo, Long-Sheng; Chen, Ping-Hei; Lee, Da-sheng; Yang, Chin-Ting. 2010. "Applications of Ferro-Nanofluid on a Micro-Transformer." Sensors 10, no. 9: 8161-8172.
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