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Conveyor-belt method for assembling microparticles into large-scale structures using electric fields
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10.1063/1.2721238
/content/aip/journal/apl/90/15/10.1063/1.2721238
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/15/10.1063/1.2721238
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Figures

Image of FIG. 1.
FIG. 1.

(Color online) Conveyor-belt building of large-scale multiparticle structures. Formation [(a) and (b)] and transportation [(b) and (c)] of the particle structures by energizing (red) and grounding (blue) electrodes.

Image of FIG. 2.
FIG. 2.

(Color online) Experimental setup. (a) A microchamber mounted on a manipulator equipped with three stages, 1–3, and a microscope. (b) Two-electrode array ABTECH chip (electrodes seen as black). (c) Multielectrode array Sandia chip (electrodes seen as white).

Image of FIG. 3.
FIG. 3.

Two-electrode array ABTECH chip energized with , chamber top grounded, and suspension of latex beads. (a) Initially, the electrodes were barely visible through the suspension. (b) Beads were concentrated into columns (seen as white) in the low-field regions caused by energizing electrode array 1 and grounding array 2 [Fig. 2(b)] and then (c) were moved to other low-field regions by grounding array 1 and energizing array 2 [Fig. 2(b)]. (d) Columns were formed by energizing array 1 and grounding array 2 and (e) were translated by moving the chip with velocity using stage 1 [Fig. 2(a)] but (f) were destabilized at a chip velocity of . White arrows on (b) and (c) as well as (d) and (e) indicate the sequential positions of the same column, respectively. Chamber height: [(a)–(c)] and [(d)–(f)] .

Image of FIG. 4.
FIG. 4.

Section of the multielectrode array of the Sandia chip energized with ac voltage at , chamber top grounded, chamber height , and suspension of latex beads. (a) The beads were concentrated into columns (seen as white) in the low-field regions by applying to electrode arrays 1, 2, and 4 and grounding array 3 [Fig. 2(c)] and (b) were moved by disconnecting arrays 2 and 3, and (c) were moved further by grounding array 2 and applying to array 3. The white arrows indicate the sequential positions of the same column.

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/content/aip/journal/apl/90/15/10.1063/1.2721238
2007-04-11
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Conveyor-belt method for assembling microparticles into large-scale structures using electric fields
http://aip.metastore.ingenta.com/content/aip/journal/apl/90/15/10.1063/1.2721238
10.1063/1.2721238
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