ACTUATOR 2016 Manuscript P 20

Author: Hubert Borgmann
Pages: 4
Language: English
Publication date: 01/06/2016
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Manuscript P 20 published in Conference Proceedings ACTUATOR 2016
Fabrication of Electrostatically Actuated Microshutters Arrays

L. Oh, SGT Inc., Greenbelt, USA
M. Li, NASA Goddard Space Flight Center, Greenbelt, USA
D. Kelly, ASRC Federal Corp., Beltsville, USA
A. Kutyrev, University of Maryland, College Park, USA
S. Moseley, NASA Goddard Space Flight Center, Greenbelt, USA

A new fabrication process has been developed to actuate microshutter arrays (MSA) electrostatically at NASA Goddard Space Flight Center. The microshutters, made with silicon nitride membranes with a pixel size of 100 x 200 μm2, rotate on torsion bars. The microshutters are actuated, latched, and addressed electrostatically by applying voltages on the electrodes the front and back sides of the microshutters. The atomic layer deposition (ALD) of aluminium oxide was used to insulate electrodes on the back side of walls; the insulation can withstand over 100 V. The ALD aluminium oxide is dry etched, and then the microshutters are released in vapor HF.
El vendedor asume toda la responsabilidad de esta entrada.
Hubert Borgmann, MESSE BREMEN,
Project Manager ACTUATOR, International Conference and Exhibition on New Actuators and Drive Systems, Bremen, Germany, and Editor of the ACTUATOR Conference Proceedings (
Project Manager ITHEC, International Conference and Exhibition on Thermoplastic Composites, Bremen, Germany, and Editor of the ITHEC Conference Proceedings (

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