Abstract
Scanning electrochemical microscopy (SECM) has been approved as a prospective electrochemical micromachining (ECMM) technique soon after its birth. However, it still remains challenge for SECM to fabricate arbitrary three-dimensional (3D) microstructures because of the limitation of positioning system. To solve this problem, we proposed a tip current signal/positioning close-loop mode in which the tip current signal is fed back to the positioning system in order to program the motion trial of SECM tip. Both the triedge-cone and sinusoidal microstructures were obtained by the close-loop positioning mode. The static-state etching process was demonstrated not to be disturbed by the slow motion rate of SECM tip. The unique positioning mode would be significant for both ECMM and electrochemical imaging.
| Original language | English |
|---|---|
| Pages (from-to) | 117-120 |
| Number of pages | 4 |
| Journal | Electrochemistry Communications |
| Volume | 82 |
| DOIs | |
| State | Published - Sep 2017 |
Keywords
- Close-loop positioning mode
- ECMM
- Electrochemical micromachining
- SECM
- Scanning electrochemical microscopy
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