Patent ID: 6897011
Filing Date: 2005-05-24
Classification: G03F

Abstract:
1. A method for patterning a surface of a substrate, the method comprising, in this order: providing on the surface of a substrate, to form a photosensitive composition layer, a photosensitive composition for sandblasting comprising the following components (a), (b), (c) and (d): wherein the photosensitive composition has from 10 to 90 parts by weight of the component (a); from 10 to 90 parts by weight of the component (b); from 0.1 to 25 parts by weight of the component (c), based on the total amount of the components (a), (b) and (c), and further wherein component (d) is present in an amount of no more than 20 parts by weight based on 100 parts by weight of the total amount of components (a), (b) and (c); providing a mask pattern on the photosensitive composition layer; irradiating the photosensitive layer on which the mask pattern is provided with a light; removing the mask pattern from the photosensitive composition layer; carrying out a development to dissolve away unexposed areas of the photosensitive composition layer; and sandblasting the substrate.