Polymer microwedges and methods of manufacturing same
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United States of America Patent
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Oct 6, 2020
Grant Date -
Dec 28, 2017
app pub date -
Dec 9, 2015
filing date -
Dec 10, 2014
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Abstract
A mold for casting a micro-scale structure includes an upper surface including a first cavity having a first depth. A negative pattern for an array of micro-scale structures is defined in a surface of the first cavity. The mold includes at least one second cavity having a second depth defined in the cavity outside of the negative pattern for the array of micro-scale structures. The at least one second cavity defines a negative pattern for a standoff of the micro-scale structure. A fabric retaining frame is disposed in the first cavity.
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