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- Title
Concurrently Fabricating Precision Meso- and Microscale Cross-Scale Arrayed Metal Features and Components by Using Wire-Anode Scanning Electroforming Technique.
- Authors
Li, Shicheng; Ming, Pingmei; Zhang, Junzhong; Zhang, Yunyan; Yan, Liang
- Abstract
In order to improve the thickness uniformity of the electroformed metal layer and components, a new electroforming technique is proposed—wire-anode scanning electroforming (WAS-EF). WAS-EF uses an ultrafine inert anode so that the interelectrode voltage/current is superimposed upon a very narrow ribbon-shaped area at the cathode, thus ensuring better localization of the electric field. The anode of WAS-EF is in constant motion, which reduces the effect of the current edge effect. The stirring paddle of WAS-EF can affect the fluid flow in the microstructure, and improve the mass transfer effect inside the structure. The simulation results show that, when the depth-to-width ratio decreases from 1 to 0.23, the depth of fluid flow in the microstructure can increase from 30% to 100%. Experimental results show that. Compared with the traditional electroforming method, the single metal feature and arrayed metal components prepared by WAS-EF are respectively improved by 15.5% and 11.4%.
- Subjects
ELECTROFORMING; FLUID flow; MASS transfer; METALS; ELECTRIC fields
- Publication
Micromachines, 2023, Vol 14, Issue 5, p979
- ISSN
2072-666X
- Publication type
Article
- DOI
10.3390/mi14050979