Fabrication of electromagnetic crystals by extrusion freeforming
Fabrication of electromagnetic crystals by extrusion freeforming
Electromagnetic crystals have potential applications from microwave to optical frequencies. At present, several methods can be applied to fabricate these structures, for example, stereolithography and wafer etching. In this work, extrusion freeforming, one of the linear solid freeforming methods, was used to fabricate electromagnetic crystals and the forming, drying, debinding and sintering stages are described. This method allows structures to be designed on a computer file and rendered directly as physical objects so that prototypes can be created quickly. A wide range of ceramic powders can be used so that dielectric constant and loss factor can be tailored. Structures with deliberate defects such as missing filaments or circular structures can be made.
extrusion freeforming, electromagnetic crystal, bandgap, ceramic
36 - 44
Lu, Xuesong
e3eb4386-7dc9-417e-bd5c-bbdec78f7ec5
Lee, Yoonjae
07298a68-0ff0-4a07-a4de-c4f5a6e0cd64
Yang, Shoufeng
e0018adf-8123-4a54-b8dd-306c10ca48f1
Hao, Yang
8450eaa4-843c-4b86-b951-b413942d4453
Ubic, Rick
c7b04bfa-5570-4edb-8aab-03988aac10cf
Evans, Julian R.G.
4eee463a-4dd3-4ef2-b9bc-784246b68ad2
Parini, Clive G.
9c0d66e3-70c9-4cb9-bbb3-34bee8e0e420
May 2008
Lu, Xuesong
e3eb4386-7dc9-417e-bd5c-bbdec78f7ec5
Lee, Yoonjae
07298a68-0ff0-4a07-a4de-c4f5a6e0cd64
Yang, Shoufeng
e0018adf-8123-4a54-b8dd-306c10ca48f1
Hao, Yang
8450eaa4-843c-4b86-b951-b413942d4453
Ubic, Rick
c7b04bfa-5570-4edb-8aab-03988aac10cf
Evans, Julian R.G.
4eee463a-4dd3-4ef2-b9bc-784246b68ad2
Parini, Clive G.
9c0d66e3-70c9-4cb9-bbb3-34bee8e0e420
Lu, Xuesong, Lee, Yoonjae, Yang, Shoufeng, Hao, Yang, Ubic, Rick, Evans, Julian R.G. and Parini, Clive G.
(2008)
Fabrication of electromagnetic crystals by extrusion freeforming.
Metamaterials, 2 (1), .
(doi:10.1016/j.metmat.2007.12.001).
Abstract
Electromagnetic crystals have potential applications from microwave to optical frequencies. At present, several methods can be applied to fabricate these structures, for example, stereolithography and wafer etching. In this work, extrusion freeforming, one of the linear solid freeforming methods, was used to fabricate electromagnetic crystals and the forming, drying, debinding and sintering stages are described. This method allows structures to be designed on a computer file and rendered directly as physical objects so that prototypes can be created quickly. A wide range of ceramic powders can be used so that dielectric constant and loss factor can be tailored. Structures with deliberate defects such as missing filaments or circular structures can be made.
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More information
Published date: May 2008
Keywords:
extrusion freeforming, electromagnetic crystal, bandgap, ceramic
Organisations:
Engineering Mats & Surface Engineerg Gp
Identifiers
Local EPrints ID: 165029
URI: http://eprints.soton.ac.uk/id/eprint/165029
ISSN: 1873-1988
PURE UUID: 83860d29-a578-4d93-8d01-b6312bdc5f0d
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Date deposited: 08 Oct 2010 08:25
Last modified: 14 Mar 2024 02:09
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Contributors
Author:
Xuesong Lu
Author:
Yoonjae Lee
Author:
Yang Hao
Author:
Rick Ubic
Author:
Julian R.G. Evans
Author:
Clive G. Parini
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