Tool for making microstructured articles
A technology of microstructuring and products, which is applied in the direction of manufacturing microstructure devices, microstructure technology, microstructure devices, etc., can solve the problems of difficult, expensive and time-consuming microstructure graphics, and achieve the reduction of pre-preparation time, ease and The effect of rapid change
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[0017] The present invention relates to a method for the preparation of replication tools which can then be used for the preparation of microstructured articles. As noted above, microstructured articles have microstructured surface features having structures (protrusions, depressions, grooves, etc.) on their surface that are microstructures in at least two dimensions. As used herein, the term microscopic refers to dimensions that are indistinguishable to the human eye without the aid of a microscope. A usable resolution of the microscopic exists as described by Smith in Modern Optic Engineering, (1966), pages 104-105 (Modern Optical Engineering (1966), pp. 104-105), where visual acuity is defined and expressed as Measured by the corner size of the smallest recognizable character. Normal visual acuity allows the detection of characters subtending an elevation angle of 5 minutes of arc on the retina. In some cases, the dimensions of the microstructures are less than 1000 micro...
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