Self-positioning microlens arrays prepared using ink-jet printing

We have employed ink-jet printing (IJP) technology to fabricate self-positioning microlens arrays (MLAs). The glass substrates were first prepatterned through microcontact printing ( CP) hydrophobic self-assembled monolayers (SAMs) to divide the surface into hydrophobic and hydrophilic regions. Afte...

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Bibliographic Details
Published in:Optical Engineering 2009-07, Vol.48 (7), p.073606-073603
Main Authors: Lu, Jhih-Ping, Huang, Wen-Kuei, Chen, Fang-Chung
Format: Article
Language:English
Subjects:
Arrays
Droplets
Glass
ink-jet printing
Lenses
Liquids
microlens array
Polymerization
Prepolymers
Printing
self-assembled monolayer
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Summary:We have employed ink-jet printing (IJP) technology to fabricate self-positioning microlens arrays (MLAs). The glass substrates were first prepatterned through microcontact printing ( CP) hydrophobic self-assembled monolayers (SAMs) to divide the surface into hydrophobic and hydrophilic regions. After IJP of the hydrophilic prepolymer liquids, the lenses were effectively repelled by the patterned SAMs. We obtained high-quality MLAs having diameters of 75 and after polymerization of the prepolymers. The lenses' shapes could be controlled by varying the number of printed droplets.
ISSN:0091-3286
1560-2303
DOI:10.1117/1.3180868