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Hybrid subtractive micro-patterning of a self-assembled SiO2 nano/microsphere monolayer
Cited 2 time in
Web of Science
Cited 2 time in Scopus
- Authors
- Issue Date
- 2015-10
- Publisher
- Institute of Physics Publishing
- Citation
- Journal of Micromechanics and Microengineering, Vol.25 No.10, p. 105006
- Abstract
- Colloidal self-assembly and direct micro-patterning of functional materials have drawn intense interest as an alternative to the conventional photolithography based microelectronics fabrication process. In this paper, we introduce a facile subtractive micro contact printing method to create a patterned colloidal nano/micro sphere monolayer on a wafer scale by combining an additive 'bottom-up' self-assembly and subtractive 'top-down' printing process. A vacuum-assisted contact printing method enabled precise and uniform pressure control to directly fabricate a large-area micro-patterned hexagonally close packed structure of nano/micro spheres on the target substrate very fast, at low cost, under ambient conditions. In addition, analysis on the hybrid printing pressure and the patterning time has been conducted.
- ISSN
- 0960-1317
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