| 摘要 |
The present invention employs a plurality of photomasks each having first and second apertures of which widths are set so that adjacent end regions of the adjacent first and second alignment regions overlap with each other with an overlapping dimension approximately equal to a tracking accuracy of an alignment device. The photomasks are arranged alternately in a direction intersecting the scanning direction of the substrate so that the first and the second apertures are arranged at a constant pitch. In this state, two polarized lights, that are different in at least one of polarization direction and incident angle to a substrate, are made to be incident into the first and the second apertures, respectively, to irradiate an alignment film on the substrate with the two lights that have passed through the first and the second apertures, respectively, to form the first and the second alignment regions adjacently to each other.
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