Patent ID: 8852830
Filing Date: 2014-10-07
Classification: G03F

Abstract:
1. A photomask for exposing a region on a substrate, the photomask having a mask pattern including a first line pattern arranged along the first direction, a second line pattern arranged along the first direction and arranged adjacent to the first line pattern, a first connection pattern arranged in a portion corresponding to a peripheral portion of the region to be in contact with the first line pattern, and a second connection pattern arranged in the portion corresponding to the peripheral portion to be in contact with the second line pattern, wherein the first connection pattern has a width in a second direction perpendicular to the first direction, which is larger than a width of the first line pattern in the second direction, and the second connection pattern has a width in the second direction, which is larger than a width of the second line pattern in the second direction, and a distance, from a virtual line extending along the first direction and arranged between the first line pattern and the second line pattern to a center line of the first connection pattern, is larger than a distance from the virtual line to a center line of the first line pattern.