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Article

Liquid Encapsulation in Parylene Microstructures Using Integrated Annular-Plate Stiction Valves

Department of Biomedical Engineering, University of Southern California, Los Angeles, CA 90089, USA
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Micromachines 2011, 2(3), 356-368; https://doi.org/10.3390/mi2030356
Received: 1 August 2011 / Revised: 28 August 2011 / Accepted: 29 August 2011 / Published: 8 September 2011
(This article belongs to the Special Issue Polymer MEMS)
We report the design, fabrication and characterization of micromachined Parylene structures for self-sealing liquid encapsulation applications. Automatic sealing is enabled through the use of an integrated annular-plate stiction valve which greatly reduces device footprint over in-plane configurations. We achieve automatic wafer-level liquid entrapment without using adhesives or processing at elevated pressures or temperatures. The ability to track changes to the internal liquid volume through the use of electrochemical impedance measurements is also presented. View Full-Text
Keywords: Parylene C; liquid encapsulation; stiction Parylene C; liquid encapsulation; stiction
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MDPI and ACS Style

Gutierrez, C.A.; Meng, E. Liquid Encapsulation in Parylene Microstructures Using Integrated Annular-Plate Stiction Valves. Micromachines 2011, 2, 356-368. https://doi.org/10.3390/mi2030356

AMA Style

Gutierrez CA, Meng E. Liquid Encapsulation in Parylene Microstructures Using Integrated Annular-Plate Stiction Valves. Micromachines. 2011; 2(3):356-368. https://doi.org/10.3390/mi2030356

Chicago/Turabian Style

Gutierrez, Christian A., and Ellis Meng. 2011. "Liquid Encapsulation in Parylene Microstructures Using Integrated Annular-Plate Stiction Valves" Micromachines 2, no. 3: 356-368. https://doi.org/10.3390/mi2030356

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