Fabrication of embedded microstructures via lamination of thick gel-casted ceramic layers

Kean How Cheah; Jit Kai Chin

doi:10.1111/ijac.12023

Fabrication of embedded microstructures via lamination of thick gel-casted ceramic layers

Kean How Cheah, Jit Kai Chin

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

This article describes a new approach to fabricate various embedded ceramic microstructures. Design geometries of the microstructures are replicated onto a soft reusable polydimethylsiloxane (PDMS) mold. Rapid consolidation of ceramic suspension on the molds using gel-casting technique produces structured ceramic layers. 85% aqueous glycerol solution has been identified as suitable adhesive agent to laminate the ceramic layers. Capability of the approach in fabricating embedded microstructures of 3-dimensional and aspect ratio as high as 20 and 50 has been demonstrated. Ceramic microthruster and Y-shaped microfluidic reactor are fabricated using this new approach to show its potential to construct various ceramic microdevices.

Original language	English
Pages (from-to)	384-393
Number of pages	10
Journal	International Journal of Applied Ceramic Technology
Volume	11
Issue number	2
Early online date	18 Jan 2013
DOIs	https://doi.org/10.1111/ijac.12023
Publication status	Published - 1 Mar 2014
Externally published	Yes

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AB - This article describes a new approach to fabricate various embedded ceramic microstructures. Design geometries of the microstructures are replicated onto a soft reusable polydimethylsiloxane (PDMS) mold. Rapid consolidation of ceramic suspension on the molds using gel-casting technique produces structured ceramic layers. 85% aqueous glycerol solution has been identified as suitable adhesive agent to laminate the ceramic layers. Capability of the approach in fabricating embedded microstructures of 3-dimensional and aspect ratio as high as 20 and 50 has been demonstrated. Ceramic microthruster and Y-shaped microfluidic reactor are fabricated using this new approach to show its potential to construct various ceramic microdevices.

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KW - Molds

KW - Silicones

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Fabrication of embedded microstructures via lamination of thick gel-casted ceramic layers

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