| 摘要 |
Provided is a mask which is used to form on the surface of a substrate a plurality of linear film members disposed in parallel to each other by fixing one surface of the mask to the substrate and supplying a film material through the other surface of the mask by the use of a vapor process. The mask includes: a mask body having a plurality of openings corresponding to patterns of the linear film members; and reinforcement ribs which are disposed to cross the openings and which have a function of preventing deformation of the mask body due to the weight thereof. Here, the reinforcement ribs are disposed close to the other surface of the mask in the thickness direction of the openings.
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