METHOD FOR MANUFACTURING RE-ENTRANT MICROSTRUCTURES

WIPO Patent Application WO/2016/122959

A3

A method of making microstructures having re-entrant or doubly re-entrant topology includes forming a mold defining the negative surface features of the re-entrant or doubly re-entrant topology that is to be formed. In one embodiment, a soft or flowable material is formed on a first substrate and the mold is contacted with the same to form a solid, now positive surface having the re-entrant or doubly re-entrant topology. The mold is then released from the first substrate. The microstructures are secured to a second, different substrate, and the first substrate is removed. Any residual microstructure material located between adjacent microstructures may be removed to form the separate microstructures on the second substrate. The second substrate may be thin and flexible any manipulated into useful or desired shapes having the microstructures on one side thereof.

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XU MUCHEN (US)
KIM CHANG JIN (US)

PCT/US2016/014285

February 15, 2018

January 21, 2016

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UNIV CALIFORNIA (US)

B81C1/00; B81C3/00

US20140010994A1	2014-01-09
US6168737B1	2001-01-02
US20120126458A1	2012-05-24
US6406636B1	2002-06-18
US6692680B2	2004-02-17

DAVIDSON, Michael S. (US)

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