A Simple Process to Fabricate Micro Flux Sources with High Magnetic Field Gradient

Le Viet Cuong, Pham Duc Thang, Nguyen The Hien
Author affiliations

Authors

  • Le Viet Cuong Laboratory for Micro and Nanotechnology, University of Engineering and Technology, Vietnam National University, Hanoi
  • Pham Duc Thang Laboratory for Micro and Nanotechnology, University of Engineering and Technology, Vietnam National University, Hanoi
  • Nguyen The Hien Faculty of Engineering Physics and Nanotechnology, University of Engineering and Technology, Vietnam National University, Hanoi

DOI:

https://doi.org/10.15625/0868-3166/24/3S1/5225

Keywords:

magnetic materials, NdFeB, SEM

Abstract

In this paper, we present a fabrication process to produce the micro-sized magnetic structures based on the hard magnetic powders. Under the magnetic field originated from a micro patterned hard magnetic film, these magnetic powders are magnetically aligned to form arrays of the micro magnets on a polydimethysiloxane (PDMS) substrate. The high magnetic field gradient and stable magnetic flux can be obtained at certain micro-sized area on the surface of the micro magnets. The fabricated structures have been used for trapping iron oxide particles. Generally this fabrication process is simple, low cost and the micro magnets can be used for further applications in biology, medicine and beyond.

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Published

07-11-2014

How to Cite

[1]
L. V. Cuong, P. D. Thang and N. T. Hien, A Simple Process to Fabricate Micro Flux Sources with High Magnetic Field Gradient, Comm. Phys. 24 (2014) 85–89. DOI: https://doi.org/10.15625/0868-3166/24/3S1/5225.

Issue

Vol. 24 No. 3S1 (2014)

Section

Papers

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