Patent ID: 9409204
Filing Date: 2016-08-09
CPC Classification: B05C,G03F,H01L

Claim Text:
1. A mask, on which a preset pattern is provided, wherein, first test patterns for determining an amount of a position offset of the mask during its movement are provided on the mask at a first side of the preset pattern and a second side of the preset pattern opposite to the first side, respectively, wherein, each of the first test patterns is provided with a plurality of tags which are arranged in a first direction from the first side to the second side, and the tags in the first test pattern located at the first side and the tags in the first test pattern located at the second side are mirror-symmetric with respect to the first direction, wherein, the plurality of tags have different preset widths, and the preset widths of the tags in each of the first test patterns progressively increase or progressively decrease in the first direction; wherein the preset widths of the tags in each of the first test patterns range from 1.0 μm to 3.0 mm; wherein the plurality of tags provided on the first test patterns at the first side and the second side of the preset pattern comprise openings between adjacent tags, wherein the openings are non-through holes which do not penetrate through the first test patterns, and wherein the openings on the first side of the preset pattern are in a direction opposite the openings on the second side of the preset pattern.