Patent
Method for making microstructured tools having discontinuous topographies, and articles produced therefrom (US Patent 9415539)
3M Innovative Properties Company · Granted Aug 16, 2016 · Filed May 23, 2012
Patent number: 9415539 Kind code: B2 Granted: 2016-08-16 Filed: 2012-05-23 Inventors: Olester Benson, Jr. (Woodbury, MN, US) Assignees: 3M Innovative Properties Company (St. Paul, MN, US)
Abstract
A method for making a microstructured tool having interspersed topographies, and for producing articles therefrom, includes modifying a molding tool, by coating a radiation curable resin (430) on the first microstructured surface of the molding tool (490), contacting
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