| CPC C23C 16/042 (2013.01) [C22C 38/08 (2013.01); H10K 50/844 (2023.02); H10K 59/12 (2023.02); H10K 71/00 (2023.02); H10K 71/10 (2023.02); H10K 59/1201 (2023.02)] | 14 Claims |

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1. A method for manufacturing a deposition mask, the method comprising:
providing a metal mask body comprising a deposition opening; and
providing a coating layer comprising aluminum oxynitride, on the metal mask body,
wherein the aluminum oxynitride is represented by AlNx·(Al2O3)1-x (x=0.1-0.9).
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