Vapor deposition mask and manufacturing method for organic EL display device
Abstract:
A vapor deposition mask including a metallic substrate provided with a plurality of openings for passing vapor deposition particles, wherein at least a portion of the plurality of openings are structured by one or more opening groups in which the plurality of openings are repeatedly arranged in accordance with a constant rule, and a plurality of protrusions of identical height are arranged to support the entire substrate from one side, and are provided only outside the opening group formation region.
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