Patent ID: 11950489
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Surface technology, coating (Chemistry)
Classification: CPC H  C | IPC C  H

Claim 0:
1. A deposition mask for manufacturing a display panel, the deposition mask comprising:
a metallic base having a thickness of about 50 micrometers to about 200 micrometers and a plurality of openings defined therein;
wherein at least some of the plurality of openings include a first opening having a first width and a second opening having a second width smaller than the first width respectively defined along a thickness direction of the metallic base, and
wherein the metallic base includes a first part in which the first opening is defined, and a second part in which the second opening is defined, the second part having a width that increases in a direction downward from a top surface of the metallic base along the thickness direction of the metallic base,
wherein the first part includes a first sub-part disposed on the second part, and a second sub-part disposed under the second part, and the first and second sub-parts have thicknesses that are each about 5% to about 40% of a total thickness of the metallic base.