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Fabrication and experimental characterization of a planar array of micro-fabricated electrospray emitters for space propulsion applications

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3 Author(s)
Velasquez-Garcia, L.F. ; Electr. Eng. & Comput. Sci., & Aeronaut. & Astronaut., MIT, Cambridge, MA, USA ; Akinwande, A.I. ; Martinez-Sanchez, M.

This paper reports the design, fabrication, and experimental characterization of a surface tension-fed, planar array of micro-fabricated electrospray emitters intended for space propulsion applications in micro-satellites. The planar array uses the ionic liquid EMI-BF4 as propellant. The surface of the engine (tank and emitters) is covered with "black silicon" that acts as wicking material. The hydraulics are micro-fabricated, with two possible emitter geometries. The electrodes are macro-fabricated, and externally provided to the micro-fabricated structure.

Published in:

Vacuum Nanoelectronics Conference, 2005. IVNC 2005. Technical Digest of the 18th International

Date of Conference:

10-14 July 2005