COLLOIDAL LITHOGRAPHY METHODS FOR FABRICATING MICROSCOPIC AND NANOSCOPIC PARTICLE PATTERNS ON SUBSTRATE SURFACES
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United States of America Patent
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app pub date -
Oct 10, 2011
filing date -
Oct 8, 2010
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Abandoned
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Abstract
A method of surface patterning by transferring particles interfacially trapped at an air-water interface to a substrate includes the steps of: (a) interfacially trapping a plurality of particles at an air-water interface; (b) providing a substrate having a polymer adhesive thereon, the polymer adhesive having a glass transition temperature that is less than 25° C. and an advancing water contact angle greater than 50; and (c) transferring the particles of step (a) to the substrate of (b) by the Langmuir-Schaefer technique.
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