Patent ID: 9423686
Filing Date: 2016-08-23
CPC Classification: G03F

Claim Text:
1. A mask for microlithography comprising: a substrate; a first pattern area supported by the substrate, the first pattern area comprising a first pattern extending over a first length in a mask scanning direction and a first width in a direction perpendicular to the mask scanning direction; a second pattern area supported by the substrate, the second pattern area being adjacent to the first pattern area in the mask scanning direction, the second pattern area comprising a second pattern extending over a second length in the mask scanning direction and a second width identical to the first width in the direction perpendicular to the mask scan direction, wherein the second length is less than the first length, the second pattern is identical to a corresponding portion of the first pattern, the corresponding portion of the first pattern is offset relative to the second pattern by the first length in the mask scanning direction, and a length of the corresponding portion in the mask scanning direction is identical to the second length.