Experimental and numerical study of thin-film formation by microfluidic deposition method

Chin-Tai Chen

doi:10.1117/12.559383

10 November 2004 Experimental and numerical study of thin-film formation by microfluidic deposition method

Chin-Tai Chen

Proceedings Volume 5519, Organic Light-Emitting Materials and Devices VIII; (2004) https://doi.org/10.1117/12.559383
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

Abstract

The paper explores the behaviors of thin-film formation through the microfluidic deposition method, in which the spherical liquid droplet on solid surface may turn into a thin film. Small liquid drops with diameter of less than 100 micro-meters are virtually to be generated with some certain velocity by current inkjet-like mechanism. Fundamental physical modeling for the dynamic situation is first built up. Thus the time evolutions of fluid behavior are solved by numerical method. Drop-on-demand droplets are secondly applied to demonstrate the thin film on the glass that the solid surface is patterned with rectangular well. Experimental results show that uneven surface of thin film with curvature may always be formed mainly due to the patterned well. It suggests that the topographic pattern can make significant effect on the formation of thin film from the liquid droplets.

Citation Download Citation

Chin-Tai Chen "Experimental and numerical study of thin-film formation by microfluidic deposition method", Proc. SPIE 5519, Organic Light-Emitting Materials and Devices VIII, (10 November 2004); https://doi.org/10.1117/12.559383

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