Tri-axis receiver for wireless micro-power transmission

Nan-Chyuan Tsai, Sheng Liang Hsu

Research output: Contribution to journalArticlepeer-review

Abstract

An innovative tri-axes micro-power receiver is proposed. The tri-axes micro-power receiver consists of two sets 3-D micro-solenoids and one set planar micro-coils in which iron core is embedded. The three sets of micro-coils are designed to be orthogonal to each other. Therefore, no matter which direction the flux is present along, the magnetic energy can be harvested and transformed into electric power. Not only dead space of receiving power is mostly reduced, but also transformation efficiency of electromagnetic energy to electric power can be efficiently raised. By employing commercial software, Ansoft Maxwell, the preliminary simulation results verify that the proposed micro-power receiver can efficiently pick up the energy transmitted by magnetic power source. As to the fabrication process, the isotropic etching technique is employed to micro-machine the inverse-trapezoid fillister so that the copper wire can be successfully electroplated. The adhesion between micro-coils and fillister is much enhanced.

Original languageEnglish
Pages (from-to)1024-1028
Number of pages5
JournalWorld Academy of Science, Engineering and Technology
Volume46
Publication statusPublished - 2010

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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