Patent ID: 8753813
Filing Date: 2014-06-17
Classification: B01J,B82Y,G03F

Abstract:
1. A method of forming a pattern comprising pattern elements with a plurality of sizes on a substrate surface with a tilted pen array, comprising: choosing a tilt geometry for a pen array with respect to a substrate surface, the tilt geometry being in reference to a substrate surface and comprising a first angle of the pen array with respect to a first axis of the substrate and a second angle of the pen array with respect to a second axis of the substrate, the first and second axes being parallel to the substrate surface and perpendicular to one another, at least one of the first and second angles being non-zero, wherein a leveled position with respect to the substrate surface comprises first and second angles both equaling 0°, and the pen array comprising a plurality of tips fixed to a common substrate layer, the plurality of tips and the common substrate layer being formed from an elastomeric polymer or elastomeric gel polymer, and the tips having a radius of curvature of less than 1 μm; inducing the tilt geometry between the pen array and the substrate surface by the chosen first and second angles; and forming a pattern having pattern elements on the substrate surface with the titled pen array, whereby the size of the formed pattern elements varies across the substrate surface along the tilted axis or axes.