Hydraulically actuated micro-contact printing engines


K Choonee and R R A Syms


Journal of Micromechanics and Microengineering

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Micro-contact printing (μCP) is a rapid, simple and well-established method of microscale biochemical patterning. However, there is a lack of inexpensive and accessible tools for accurately controlling contact during the printing process. In this paper, controlled μCP using hydraulic actuation is demonstrated. Complete printing systems, including a substrate placed at a calibrated height above an elastic stamp attached to a hydraulic chuck, are constructed and characterized. The chucks are made from Perspex using precision machining while the stamp is made by casting against microfabricated silicon masters. The total patterned area is ~25 mm2 and 10 µm wide features have been printed.

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Date added: 2012-08-20 13:55:52 | Last time updated: 2012-08-20 11:55:52 | Viewed: 872 times

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