CPC H10K 71/00 (2023.02) [B23K 26/244 (2015.10); B23K 26/364 (2015.10); C23C 14/042 (2013.01); C23C 14/24 (2013.01); B23K 26/0622 (2015.10)] | 10 Claims |
1. A mask comprising:
a mask frame comprising a base part in which cell openings are defined, and a coating part surrounding edges of the cell openings, covering at least a portion of an upper surface of the base part, and comprising a material composition that is different from that of the base part; and
unit masks on the mask frame, respectively corresponding to the cell openings, comprising a material composition that is different from that of the coating part, and in which openings are defined.
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