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Micro electrochemical milling

  • Bo Hyun Kim*
  • , Shi Hyoung Ryu
  • , Deok Ki Choi
  • , Chong Nam Chu
  • *Corresponding author for this work
  • Seoul National University
  • Gangneung-Wonju National University

Research output: Contribution to journalJournal articlepeer-review

Abstract

In this paper, electrochemical machining (ECM) for fabricating micro structures is presented. By applying ultra short pulses, dissolution of a workpiece can be restricted to the region very close to an electrode. Using this method, 3D micro structures were machined on stainless steel. Good surface quality of the structures was obtained in the low concentration electrolyte, 0. 1 M H2SO4. In ECM, when the machining depth increases, structures taper. To reduce the taper, a disc-type electrode is introduced. By electrochemical milling, various 3D micro structures including a hemisphere with 60 μm diameter were fabricated.

Original languageEnglish
Pages (from-to)124-129
Number of pages6
JournalJournal of Micromechanics and Microengineering
Volume15
Issue number1
DOIs
StatePublished - 2005.01

Quacquarelli Symonds(QS) Subject Topics

  • Engineering - Mechanical
  • Materials Science
  • Engineering - Electrical & Electronic
  • Engineering - Petroleum

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